🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 11.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.01 AU - 1.15 AU

Year: 775 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,235,507 km

• M1: 144,063 km (0.118 R)
• M2: 233,073 km (0.087 R)
• M3: 335,698 km (0.094 R)
• M4: 491,279 km (0.112 R)
• M5: 679,174 km (0.108 R)
• M6: 796,758 km (0.082 R)
• M7: 887,564 km (0.081 R)
• M8: 1,259,315 km (0.108 R)
• M9: 1,525,749 km (0.09 R)
• M10: 1,604,288 km (0.102 R)
• M11: 1,721,871 km (0.079 R)
• M12: 2,038,570 km (0.062 R)
• M13: 2,112,322 km (0.073 R)
• M14: 2,207,466 km (0.114 R)
• M15: 2,388,180 km (0.098 R)
• M16: 2,494,694 km (0.075 R)
• M17: 2,690,518 km (0.068 R)
• M18: 2,906,537 km (0.117 R)
• M19: 3,066,607 km (0.062 R)
• M20: 3,339,922 km (0.088 R)
• M21: 3,443,593 km (0.098 R)
• M22: 3,548,312 km (0.115 R)
• M23: 3,902,260 km (0.057 R)
• M24: 4,053,803 km (0.101 R)
• M25: 4,215,967 km (0.088 R)
• M26: 4,485,243 km (0.105 R)
• M27: 4,823,035 km (0.105 R)
• M28: 4,904,267 km (0.07 R)
• M29: 5,169,205 km (0.083 R)
• M30: 5,243,106 km (0.095 R)
• M31: 5,401,381 km (0.108 R)
• M32: 5,655,996 km (0.096 R)
• M33: 5,924,225 km (0.056 R)
• M34: 6,157,598 km (0.044 R)
• M35: 6,443,479 km (0.081 R)
• M36: 6,593,227 km (0.079 R)
• M37: 6,865,495 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 11.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.11 AU - 1.61 AU

Year: 1095 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 42,235,507 km

• M1: 156,330 km (0.05 R)
• M2: 342,280 km (0.099 R)
• M3: 413,040 km (0.096 R)
• M4: 574,157 km (0.083 R)
• M5: 1,006,345 km (0.038 R)
• M6: 1,385,725 km (0.071 R)
• M7: 1,493,884 km (0.061 R)
• M8: 1,648,419 km (0.103 R)
• M9: 1,718,880 km (0.114 R)
• M10: 1,983,069 km (0.083 R)
• M11: 2,086,890 km (0.047 R)
• M12: 2,202,081 km (0.116 R)
• M13: 2,459,389 km (0.036 R)
• M14: 2,684,833 km (0.026 R)
• M15: 2,970,864 km (0.081 R)
• M16: 3,079,323 km (0.108 R)
• M17: 3,424,146 km (0.119 R)
• M18: 3,606,954 km (0.086 R)
• M19: 3,851,996 km (0.062 R)
• M20: 4,126,657 km (0.061 R)
• M21: 4,235,864 km (0.088 R)
• M22: 4,309,316 km (0.1 R)
• M23: 4,432,585 km (0.114 R)
• M24: 4,582,033 km (0.102 R)
• M25: 4,963,059 km (0.068 R)
• M26: 5,053,416 km (0.046 R)
• M27: 5,341,242 km (0.068 R)
• M28: 5,447,158 km (0.102 R)
• M29: 5,864,536 km (0.077 R)
• M30: 5,946,515 km (0.082 R)
• M31: 6,139,347 km (0.116 R)
• M32: 6,236,436 km (0.059 R)
• M33: 6,404,285 km (0.084 R)
• M34: 6,559,418 km (0.069 R)
• M35: 6,687,324 km (0.111 R)
• M36: 7,412,874 km (0.057 R)
• M37: 7,486,775 km (0.036 R)
• M38: 7,890,390 km (0.054 R)
• M39: 8,041,634 km (0.035 R)
• M40: 8,117,629 km (0.081 R)
• M41: 8,270,369 km (0.106 R)
• M42: 8,532,315 km (0.046 R)
• M43: 8,672,039 km (0.034 R)
• M44: 8,938,174 km (0.118 R)
• M45: 9,382,180 km (0.082 R)
• M46: 9,607,026 km (0.052 R)
• M47: 9,703,815 km (0.079 R)
• M48: 9,784,898 km (0.101 R)
• M49: 9,866,129 km (0.111 R)
• M50: 9,996,579 km (0.048 R)
• M51: 10,143,932 km (0.112 R)
• M52: 10,242,517 km (0.104 R)
• M53: 10,424,279 km (0.084 R)
• M54: 10,657,203 km (0.056 R)
• M55: 10,757,583 km (0.1 R)
• M56: 11,229,863 km (0.07 R)
• M57: 11,417,309 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 14.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.06 AU - 3.24 AU

Year: 2978 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 42,235,507 km

• M1: 186,698 km (0.079 R)
• M2: 289,771 km (0.076 R)
• M3: 432,039 km (0.109 R)
• M4: 552,166 km (0.103 R)
• M5: 653,443 km (0.092 R)
• M6: 871,258 km (0.064 R)
• M7: 970,441 km (0.08 R)
• M8: 1,172,997 km (0.118 R)
• M9: 1,390,512 km (0.103 R)
• M10: 1,564,943 km (0.067 R)
• M11: 1,717,982 km (0.107 R)
• M12: 1,977,534 km (0.113 R)
• M13: 2,112,172 km (0.117 R)
• M14: 2,304,106 km (0.062 R)
• M15: 2,501,875 km (0.085 R)
• M16: 2,636,812 km (0.07 R)
• M17: 2,938,102 km (0.111 R)
• M18: 3,153,374 km (0.086 R)
• M19: 3,411,131 km (0.079 R)
• M20: 3,675,919 km (0.11 R)
• M21: 3,765,827 km (0.1 R)
• M22: 3,869,349 km (0.093 R)
• M23: 4,105,863 km (0.056 R)
• M24: 4,279,845 km (0.106 R)
• M25: 4,401,618 km (0.095 R)
• M26: 4,690,492 km (0.049 R)
• M27: 4,816,303 km (0.11 R)
• M28: 5,056,857 km (0.052 R)
• M29: 5,243,555 km (0.063 R)
• M30: 5,359,643 km (0.116 R)
• M31: 5,476,628 km (0.095 R)
• M32: 5,727,953 km (0.104 R)
• M33: 6,135,009 km (0.096 R)
• M34: 6,272,938 km (0.095 R)
• M35: 6,458,290 km (0.069 R)
• M36: 6,598,463 km (0.039 R)
• M37: 6,913,815 km (0.104 R)
• M38: 7,477,650 km (0.084 R)
• M39: 7,773,554 km (0.115 R)
• M40: 8,224,442 km (0.107 R)
• M41: 8,325,869 km (0.109 R)
• M42: 8,444,650 km (0.038 R)
• M43: 8,598,287 km (0.104 R)
• M44: 8,718,414 km (0.102 R)
• M45: 9,047,230 km (0.106 R)
• M46: 9,681,675 km (0.092 R)
• M47: 9,824,691 km (0.096 R)
• M48: 9,914,300 km (0.091 R)
• M49: 10,130,768 km (0.113 R)
• M50: 10,221,424 km (0.069 R)
• M51: 10,495,039 km (0.085 R)
• M52: 10,605,143 km (0.12 R)
• M53: 11,030,749 km (0.117 R)
• M54: 11,689,278 km (0.081 R)
• M55: 11,937,162 km (0.116 R)
• M56: 12,244,735 km (0.053 R)
• M57: 12,691,285 km (0.094 R)
• M58: 12,926,453 km (0.053 R)
• M59: 13,182,864 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 11.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.85 AU - 4.97 AU

Year: 7510 Days

Day: 8.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,235,507 km

• M1: 151,692 km (0.106 R)
• M2: 279,299 km (0.118 R)
• M3: 704,606 km (0.118 R)
• M4: 1,066,932 km (0.106 R)
• M5: 1,406,519 km (0.076 R)
• M6: 1,484,908 km (0.083 R)
• M7: 1,737,729 km (0.114 R)
• M8: 1,908,420 km (0.091 R)
• M9: 2,031,240 km (0.081 R)
• M10: 2,175,003 km (0.094 R)
• M11: 2,626,639 km (0.06 R)
• M12: 2,704,879 km (0.055 R)
• M13: 2,893,672 km (0.114 R)
• M14: 3,097,424 km (0.044 R)
• M15: 3,221,889 km (0.077 R)
• M16: 3,454,514 km (0.108 R)
• M17: 3,540,383 km (0.113 R)
• M18: 3,681,753 km (0.1 R)
• M19: 3,813,848 km (0.119 R)
• M20: 4,277,153 km (0.119 R)
• M21: 4,358,085 km (0.074 R)
• M22: 4,987,443 km (0.112 R)
• M23: 5,183,117 km (0.087 R)
• M24: 5,519,114 km (0.054 R)
• M25: 5,887,873 km (0.119 R)
• M26: 6,212,351 km (0.049 R)
• M27: 6,304,204 km (0.101 R)
• M28: 6,516,034 km (0.102 R)
• M29: 6,676,403 km (0.09 R)
• M30: 6,811,191 km (0.09 R)
• M31: 7,110,686 km (0.082 R)
• M32: 7,317,430 km (0.104 R)
• M33: 7,442,344 km (0.083 R)
• M34: 8,135,282 km (0.056 R)
• M35: 8,569,864 km (0.119 R)
• M36: 10,351,425 km (0.058 R)
• M37: 10,445,073 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 9.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.43 AU - 5.41 AU

Year: 7533 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 42,235,507 km

• M1: 219,909 km (0.112 R)
• M2: 480,658 km (0.104 R)
• M3: 772,224 km (0.056 R)
• M4: 849,866 km (0.098 R)
• M5: 1,187,657 km (0.083 R)
• M6: 1,391,111 km (0.061 R)
• M7: 1,727,706 km (0.119 R)
• M8: 1,852,770 km (0.082 R)
• M9: 2,156,304 km (0.074 R)
• M10: 2,268,652 km (0.095 R)
• M11: 2,452,507 km (0.069 R)
• M12: 2,593,578 km (0.106 R)
• M13: 2,761,726 km (0.092 R)
• M14: 3,261,982 km (0.049 R)
• M15: 3,655,723 km (0.06 R)
• M16: 3,736,356 km (0.079 R)
• M17: 3,954,171 km (0.117 R)
• M18: 4,120,225 km (0.09 R)
• M19: 4,373,943 km (0.088 R)
• M20: 4,516,958 km (0.049 R)
• M21: 4,866,868 km (0.045 R)
• M22: 5,045,039 km (0.038 R)
• M23: 5,347,077 km (0.109 R)
• M24: 5,561,899 km (0.099 R)
• M25: 6,320,211 km (0.111 R)
• M26: 6,514,838 km (0.114 R)
• M27: 6,678,498 km (0.092 R)
• M28: 6,876,865 km (0.087 R)
• M29: 7,010,156 km (0.042 R)
• M30: 7,724,037 km (0.09 R)
• M31: 8,389,897 km (0.112 R)
• M32: 8,747,735 km (0.115 R)
• M33: 8,819,842 km (0.09 R)
• M34: 11,114,823 km (0.1 R)
• M35: 12,307,417 km (0.116 R)
• M36: 12,388,349 km (0.064 R)
• M37: 12,795,854 km (0.052 R)
• M38: 12,918,973 km (0.114 R)
• M39: 13,001,252 km (0.091 R)
• M40: 13,166,408 km (0.034 R)
• M41: 13,498,665 km (0.087 R)
• M42: 14,044,547 km (0.085 R)
• M43: 14,129,220 km (0.103 R)
• M44: 14,384,134 km (0.065 R)
• M45: 14,769,349 km (0.071 R)
• M46: 15,593,783 km (0.054 R)
• M47: 16,299,586 km (0.091 R)
• M48: 16,522,337 km (0.103 R)
• M49: 16,611,647 km (0.088 R)
• M50: 16,790,865 km (0.035 R)
• M51: 17,605,276 km (0.116 R)
• M52: 18,478,927 km (0.115 R)
• M53: 18,850,977 km (0.071 R)
• M54: 19,084,799 km (0.082 R)
• M55: 19,791,948 km (0.099 R)
• M56: 19,934,515 km (0.062 R)
• M57: 20,220,396 km (0.037 R)
• M58: 21,280,596 km (0.118 R)
• M59: 21,377,835 km (0.087 R)
• M60: 21,817,503 km (0.117 R)
• M61: 22,309,381 km (0.105 R)
• M62: 23,354,322 km (0.088 R)
• M63: 23,655,762 km (0.084 R)
• M64: 23,807,005 km (0.116 R)
• M65: 24,211,817 km (0.032 R)
• M66: 24,772,211 km (0.051 R)
• M67: 24,977,160 km (0.095 R)
• M68: 25,750,281 km (0.117 R)
• M69: 25,957,774 km (0.099 R)
• M70: 27,003,612 km (0.114 R)
• M71: 27,214,396 km (0.057 R)
• M72: 27,584,800 km (0.059 R)
• M73: 28,223,284 km (0.115 R)
• M74: 30,771,235 km (0.075 R)
• M75: 31,157,048 km (0.078 R)
• M76: 31,933,311 km (0.103 R)
• M77: 32,547,710 km (0.087 R)
• M78: 34,072,261 km (0.093 R)
• M79: 34,357,096 km (0.105 R)
• M80: 35,101,644 km (0.118 R)
• M81: 36,606,300 km (0.109 R)
• M82: 37,895,983 km (0.084 R)
• M83: 38,013,866 km (0.113 R)
• M84: 40,158,352 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 12

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.86 AU - 6.3 AU

Year: 7903 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 42,235,507 km

• M1: 175,628 km (0.116 R)
• M2: 269,875 km (0.077 R)
• M3: 467,643 km (0.102 R)
• M4: 924,216 km (0.114 R)
• M5: 1,007,242 km (0.08 R)
• M6: 1,192,594 km (0.085 R)
• M7: 1,777,372 km (0.086 R)
• M8: 1,856,360 km (0.119 R)
• M9: 1,950,158 km (0.117 R)
• M10: 2,045,452 km (0.108 R)
• M11: 2,298,122 km (0.084 R)
• M12: 2,531,346 km (0.086 R)
• M13: 2,741,830 km (0.111 R)
• M14: 2,880,357 km (0.118 R)
• M15: 3,132,430 km (0.109 R)
• M16: 3,375,227 km (0.037 R)
• M17: 3,931,432 km (0.059 R)
• M18: 4,426,003 km (0.104 R)
• M19: 5,015,418 km (0.1 R)
• M20: 5,610,070 km (0.097 R)
• M21: 6,595,471 km (0.088 R)
• M22: 6,698,993 km (0.103 R)
• M23: 6,928,775 km (0.05 R)
• M24: 7,225,128 km (0.093 R)
• M25: 7,961,898 km (0.074 R)
• M26: 8,183,303 km (0.114 R)
• M27: 8,272,313 km (0.11 R)
• M28: 8,473,971 km (0.108 R)
• M29: 8,836,597 km (0.106 R)
• M30: 9,227,496 km (0.112 R)
• M31: 9,741,664 km (0.089 R)
• M32: 9,859,846 km (0.076 R)
• M33: 10,217,235 km (0.077 R)
• M34: 10,457,938 km (0.078 R)
• M35: 10,651,817 km (0.042 R)
• M36: 10,749,205 km (0.092 R)
• M37: 11,240,634 km (0.076 R)
• M38: 11,514,099 km (0.114 R)
• M39: 11,639,163 km (0.086 R)
• M40: 12,347,659 km (0.085 R)
• M41: 12,501,296 km (0.102 R)
• M42: 13,018,156 km (0.118 R)
• M43: 13,594,706 km (0.117 R)
• M44: 13,726,801 km (0.106 R)
• M45: 13,886,123 km (0.079 R)
• M46: 14,019,265 km (0.063 R)
• M47: 14,179,634 km (0.085 R)
• M48: 14,259,968 km (0.119 R)
• M49: 15,072,434 km (0.102 R)
• M50: 16,067,111 km (0.104 R)
• M51: 16,544,178 km (0.086 R)
• M52: 16,657,125 km (0.076 R)
• M53: 17,254,170 km (0.083 R)
• M54: 17,340,188 km (0.103 R)
• M55: 18,235,980 km (0.111 R)
• M56: 18,469,503 km (0.094 R)
• M57: 19,028,400 km (0.069 R)
• M58: 19,622,603 km (0.086 R)
• M59: 19,922,098 km (0.116 R)
• M60: 20,012,306 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.9

Radius: 5.4

Gravity: 16.42 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.31 AU - 6.49 AU

Year: 9892 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 42,235,507 km

• M1: 109,356 km (0.069 R)
• M2: 160,668 km (0.095 R)
• M3: 195,524 km (0.049 R)
• M4: 331,509 km (0.102 R)
• M5: 367,263 km (0.049 R)
• M6: 430,094 km (0.098 R)
• M7: 496,815 km (0.071 R)
• M8: 718,219 km (0.087 R)
• M9: 814,860 km (0.1 R)
• M10: 2,566,052 km (0.076 R)
• M11: 2,765,915 km (0.108 R)
• M12: 2,944,984 km (0.059 R)
• M13: 3,048,954 km (0.06 R)
• M14: 3,287,413 km (0.113 R)
• M15: 3,559,532 km (0.073 R)
• M16: 4,359,282 km (0.095 R)
• M17: 4,718,466 km (0.076 R)
• M18: 4,840,389 km (0.035 R)
• M19: 5,212,139 km (0.073 R)
• M20: 5,275,120 km (0.117 R)
• M21: 5,433,395 km (0.058 R)
• M22: 5,852,269 km (0.104 R)
• M23: 6,961,537 km (0.028 R)
• M24: 7,522,230 km (0.088 R)
• M25: 7,664,647 km (0.03 R)
• M26: 7,844,015 km (0.053 R)
• M27: 7,880,068 km (0.07 R)
• M28: 8,464,098 km (0.054 R)
• M29: 8,649,450 km (0.078 R)
• M30: 8,911,096 km (0.114 R)
• M31: 9,099,739 km (0.101 R)
• M32: 9,365,874 km (0.042 R)
• M33: 9,519,212 km (0.061 R)
• M34: 9,712,043 km (0.098 R)
• M35: 9,906,072 km (0.11 R)
• M36: 12,711,780 km (0.089 R)
• M37: 12,754,116 km (0.086 R)
• M38: 13,051,965 km (0.076 R)
• M39: 13,180,320 km (0.063 R)
• M40: 13,567,779 km (0.114 R)
• M41: 14,266,102 km (0.087 R)
• M42: 14,931,214 km (0.042 R)
• M43: 15,470,664 km (0.108 R)
• M44: 15,561,171 km (0.12 R)
• M45: 16,383,660 km (0.118 R)
• M46: 16,707,389 km (0.115 R)
• M47: 17,173,536 km (0.101 R)
• M48: 17,833,263 km (0.091 R)
• M49: 18,118,546 km (0.081 R)
• M50: 18,166,118 km (0.086 R)
• M51: 19,714,307 km (0.119 R)
• M52: 19,910,729 km (0.034 R)
• M53: 19,959,946 km (0.103 R)
• M54: 20,206,633 km (0.099 R)
• M55: 20,653,332 km (0.103 R)
• M56: 20,852,746 km (0.051 R)
• M57: 21,304,083 km (0.035 R)
• M58: 22,114,305 km (0.095 R)
• M59: 23,764,968 km (0.109 R)
• M60: 24,975,514 km (0.107 R)
• M61: 25,028,621 km (0.071 R)
• M62: 25,615,045 km (0.108 R)
• M63: 25,990,685 km (0.057 R)
• M64: 27,128,227 km (0.096 R)
• M65: 27,182,831 km (0.091 R)
• M66: 27,895,665 km (0.074 R)
• M67: 28,061,120 km (0.027 R)
• M68: 29,732,577 km (0.071 R)
• M69: 29,901,622 km (0.107 R)
• M70: 30,751,039 km (0.11 R)
• M71: 30,864,883 km (0.112 R)
• M72: 33,697,668 km (0.085 R)
• M73: 34,581,493 km (0.031 R)
• M74: 35,353,418 km (0.091 R)
• M75: 35,592,176 km (0.11 R)
• M76: 35,651,865 km (0.05 R)
• M77: 35,891,222 km (0.052 R)
• M78: 35,951,211 km (0.086 R)
• M79: 37,520,792 km (0.119 R)
• M80: 37,703,451 km (0.107 R)
• M81: 38,191,588 km (0.069 R)
• M82: 39,112,812 km (0.06 R)
• M83: 39,236,081 km (0.102 R)
• M84: 39,978,984 km (0.101 R)
• M85: 40,041,216 km (0.058 R)
• M86: 40,227,765 km (0.086 R)
• M87: 41,164,846 km (0.057 R)
• M88: 41,478,702 km (0.118 R)
• M89: 41,856,587 km (0.09 R)
• M90: 42,109,108 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,984 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit