🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 10.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.63 AU - 0.75 AU

Year: 382 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 21,937,396 km

• M1: 135,536 km (0.076 R)
• M2: 200,910 km (0.074 R)
• M3: 297,849 km (0.036 R)
• M4: 390,600 km (0.114 R)
• M5: 476,170 km (0.117 R)
• M6: 566,677 km (0.1 R)
• M7: 657,333 km (0.067 R)
• M8: 729,888 km (0.074 R)
• M9: 815,907 km (0.104 R)
• M10: 887,564 km (0.112 R)
• M11: 991,684 km (0.04 R)
• M12: 1,072,766 km (0.083 R)
• M13: 1,140,085 km (0.035 R)
• M14: 1,233,584 km (0.107 R)
• M15: 1,312,871 km (0.061 R)
• M16: 1,441,824 km (0.093 R)
• M17: 1,534,725 km (0.095 R)
• M18: 1,666,371 km (0.111 R)
• M19: 1,754,633 km (0.058 R)
• M20: 1,892,712 km (0.045 R)
• M21: 2,014,635 km (0.092 R)
• M22: 2,109,180 km (0.113 R)
• M23: 2,179,791 km (0.118 R)
• M24: 2,256,235 km (0.116 R)
• M25: 2,370,229 km (0.074 R)
• M26: 2,491,553 km (0.114 R)
• M27: 2,598,665 km (0.111 R)
• M28: 2,729,264 km (0.109 R)
• M29: 2,940,645 km (0.1 R)
• M30: 3,157,562 km (0.076 R)
• M31: 3,303,121 km (0.069 R)
• M32: 3,373,731 km (0.075 R)
• M33: 3,528,565 km (0.103 R)
• M34: 3,704,193 km (0.065 R)
• M35: 3,926,196 km (0.052 R)
• M36: 4,293,160 km (0.104 R)
• M37: 4,383,517 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 11.7

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.64 AU - 0.74 AU

Year: 382 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 21,937,396 km

• M1: 155,432 km (0.045 R)
• M2: 239,207 km (0.106 R)
• M3: 345,421 km (0.083 R)
• M4: 431,739 km (0.093 R)
• M5: 537,954 km (0.108 R)
• M6: 625,469 km (0.115 R)
• M7: 769,232 km (0.103 R)
• M8: 854,054 km (0.059 R)
• M9: 933,640 km (0.107 R)
• M10: 1,047,185 km (0.083 R)
• M11: 1,147,266 km (0.104 R)
• M12: 1,313,320 km (0.107 R)
• M13: 1,421,928 km (0.117 R)
• M14: 1,564,943 km (0.103 R)
• M15: 1,664,725 km (0.052 R)
• M16: 1,766,751 km (0.086 R)
• M17: 1,966,015 km (0.08 R)
• M18: 2,039,767 km (0.083 R)
• M19: 2,190,412 km (0.094 R)
• M20: 2,381,000 km (0.066 R)
• M21: 2,496,639 km (0.096 R)
• M22: 2,620,655 km (0.119 R)
• M23: 2,715,052 km (0.103 R)
• M24: 2,823,361 km (0.072 R)
• M25: 2,972,210 km (0.058 R)
• M26: 3,077,378 km (0.106 R)
• M27: 3,244,329 km (0.069 R)
• M28: 3,332,293 km (0.117 R)
• M29: 3,421,154 km (0.05 R)
• M30: 3,531,557 km (0.051 R)
• M31: 3,685,344 km (0.038 R)
• M32: 3,805,620 km (0.109 R)
• M33: 3,985,138 km (0.107 R)
• M34: 4,086,864 km (0.062 R)
• M35: 4,182,158 km (0.105 R)
• M36: 4,293,010 km (0.078 R)
• M37: 4,585,923 km (0.101 R)
• M38: 4,700,365 km (0.081 R)
• M39: 4,900,826 km (0.069 R)
• M40: 5,215,131 km (0.098 R)
• M41: 5,326,582 km (0.109 R)
• M42: 5,430,852 km (0.098 R)
• M43: 5,527,791 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 10.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.82 AU

Year: 407 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 21,937,396 km

• M1: 133,740 km (0.075 R)
• M2: 205,248 km (0.11 R)
• M3: 278,701 km (0.067 R)
• M4: 377,136 km (0.058 R)
• M5: 456,124 km (0.12 R)
• M6: 577,149 km (0.091 R)
• M7: 769,382 km (0.097 R)
• M8: 925,412 km (0.037 R)
• M9: 1,046,736 km (0.085 R)
• M10: 1,209,349 km (0.11 R)
• M11: 1,418,337 km (0.049 R)
• M12: 1,486,554 km (0.103 R)
• M13: 1,568,833 km (0.047 R)
• M14: 1,684,173 km (0.113 R)
• M15: 1,779,467 km (0.107 R)
• M16: 1,937,592 km (0.103 R)
• M17: 2,052,184 km (0.101 R)
• M18: 2,120,101 km (0.093 R)
• M19: 2,223,473 km (0.12 R)
• M20: 2,414,659 km (0.108 R)
• M21: 2,517,583 km (0.076 R)
• M22: 2,760,081 km (0.108 R)
• M23: 2,960,542 km (0.113 R)
• M24: 3,109,990 km (0.111 R)
• M25: 3,188,529 km (0.064 R)
• M26: 3,267,666 km (0.082 R)
• M27: 3,428,035 km (0.117 R)
• M28: 3,532,455 km (0.087 R)
• M29: 3,708,980 km (0.115 R)
• M30: 3,798,440 km (0.044 R)
• M31: 3,906,599 km (0.069 R)
• M32: 4,064,724 km (0.09 R)
• M33: 4,262,343 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 9.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.65 AU - 0.89 AU

Year: 451 Days

Day: 13 Hours

Environment

Temp: -153 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 21,937,396 km

• M1: 118,033 km (0.082 R)
• M2: 196,123 km (0.046 R)
• M3: 290,369 km (0.065 R)
• M4: 359,783 km (0.116 R)
• M5: 430,543 km (0.11 R)
• M6: 536,907 km (0.09 R)
• M7: 599,139 km (0.046 R)
• M8: 790,326 km (0.102 R)
• M9: 887,415 km (0.061 R)
• M10: 963,111 km (0.119 R)
• M11: 1,049,878 km (0.091 R)
• M12: 1,157,588 km (0.104 R)
• M13: 1,226,852 km (0.062 R)
• M14: 1,360,144 km (0.117 R)
• M15: 1,458,280 km (0.086 R)
• M16: 1,528,591 km (0.026 R)
• M17: 1,682,976 km (0.036 R)
• M18: 1,740,870 km (0.049 R)
• M19: 1,847,982 km (0.096 R)
• M20: 1,935,348 km (0.106 R)
• M21: 2,097,213 km (0.058 R)
• M22: 2,211,505 km (0.079 R)
• M23: 2,357,363 km (0.112 R)
• M24: 2,458,491 km (0.102 R)
• M25: 2,640,402 km (0.114 R)
• M26: 2,714,304 km (0.104 R)
• M27: 2,845,501 km (0.05 R)
• M28: 2,953,361 km (0.057 R)
• M29: 3,049,553 km (0.11 R)
• M30: 3,192,718 km (0.038 R)
• M31: 3,285,020 km (0.103 R)
• M32: 3,364,755 km (0.074 R)
• M33: 3,499,244 km (0.059 R)
• M34: 3,711,074 km (0.096 R)
• M35: 3,787,369 km (0.11 R)
• M36: 3,850,051 km (0.086 R)
• M37: 3,998,003 km (0.094 R)
• M38: 4,090,455 km (0.03 R)
• M39: 4,248,580 km (0.115 R)
• M40: 4,452,631 km (0.109 R)
• M41: 4,570,813 km (0.114 R)
• M42: 4,697,523 km (0.088 R)
• M43: 4,765,141 km (0.11 R)
• M44: 4,832,909 km (0.051 R)
• M45: 5,015,568 km (0.102 R)
• M46: 5,076,903 km (0.045 R)
• M47: 5,138,537 km (0.104 R)
• M48: 5,215,879 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 13.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.85 AU - 2.35 AU

Year: 2029 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 21,937,396 km

• M1: 183,407 km (0.109 R)
• M2: 432,487 km (0.103 R)
• M3: 546,631 km (0.083 R)
• M4: 782,546 km (0.101 R)
• M5: 898,186 km (0.088 R)
• M6: 1,210,247 km (0.066 R)
• M7: 1,365,529 km (0.112 R)
• M8: 1,450,651 km (0.081 R)
• M9: 1,616,555 km (0.079 R)
• M10: 1,872,517 km (0.058 R)
• M11: 2,120,101 km (0.094 R)
• M12: 2,242,322 km (0.104 R)
• M13: 2,355,568 km (0.046 R)
• M14: 2,505,764 km (0.12 R)
• M15: 2,611,680 km (0.107 R)
• M16: 2,755,443 km (0.106 R)
• M17: 2,864,949 km (0.095 R)
• M18: 3,151,578 km (0.115 R)
• M19: 3,292,051 km (0.119 R)
• M20: 3,382,557 km (0.043 R)
• M21: 3,473,962 km (0.102 R)
• M22: 3,645,850 km (0.098 R)
• M23: 3,984,689 km (0.117 R)
• M24: 4,123,067 km (0.096 R)
• M25: 4,319,489 km (0.099 R)
• M26: 4,404,760 km (0.114 R)
• M27: 4,547,925 km (0.115 R)
• M28: 4,678,225 km (0.058 R)
• M29: 4,780,400 km (0.071 R)
• M30: 4,912,944 km (0.115 R)
• M31: 5,046,684 km (0.099 R)
• M32: 5,181,771 km (0.076 R)
• M33: 5,424,718 km (0.117 R)
• M34: 5,594,063 km (0.094 R)
• M35: 5,859,150 km (0.108 R)
• M36: 6,304,802 km (0.068 R)
• M37: 6,728,613 km (0.11 R)
• M38: 7,161,848 km (0.054 R)
• M39: 7,280,031 km (0.111 R)
• M40: 7,793,899 km (0.075 R)
• M41: 8,533,212 km (0.028 R)
• M42: 8,622,672 km (0.057 R)
• M43: 8,911,246 km (0.112 R)
• M44: 9,350,166 km (0.061 R)
• M45: 9,927,614 km (0.09 R)
• M46: 10,059,559 km (0.116 R)
• M47: 10,459,135 km (0.112 R)
• M48: 10,922,141 km (0.037 R)
• M49: 11,175,709 km (0.104 R)
• M50: 11,372,131 km (0.087 R)
• M51: 12,189,534 km (0.068 R)
• M52: 12,391,790 km (0.093 R)
• M53: 12,697,269 km (0.061 R)
• M54: 12,820,089 km (0.115 R)
• M55: 13,005,141 km (0.107 R)
• M56: 13,607,572 km (0.051 R)
• M57: 14,198,035 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397

Radius: 11.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.73 AU - 3.03 AU

Year: 3259 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 21,937,396 km

• M1: 162,762 km (0.106 R)
• M2: 274,961 km (0.063 R)
• M3: 350,508 km (0.111 R)
• M4: 487,091 km (0.087 R)
• M5: 813,364 km (0.09 R)
• M6: 1,205,160 km (0.119 R)
• M7: 1,533,378 km (0.04 R)
• M8: 1,617,003 km (0.09 R)
• M9: 1,839,156 km (0.116 R)
• M10: 2,258,928 km (0.116 R)
• M11: 2,396,408 km (0.12 R)
• M12: 2,679,747 km (0.095 R)
• M13: 3,263,478 km (0.025 R)
• M14: 3,341,268 km (0.084 R)
• M15: 3,514,503 km (0.087 R)
• M16: 3,610,245 km (0.055 R)
• M17: 3,902,859 km (0.09 R)
• M18: 3,985,586 km (0.074 R)
• M19: 4,135,783 km (0.057 R)
• M20: 4,424,955 km (0.097 R)
• M21: 4,598,190 km (0.1 R)
• M22: 4,897,834 km (0.099 R)
• M23: 5,005,096 km (0.099 R)
• M24: 5,131,207 km (0.11 R)
• M25: 5,313,417 km (0.1 R)
• M26: 5,646,721 km (0.075 R)
• M27: 6,101,648 km (0.093 R)
• M28: 6,217,288 km (0.087 R)
• M29: 6,450,810 km (0.112 R)
• M30: 6,946,577 km (0.087 R)
• M31: 7,168,580 km (0.079 R)
• M32: 7,537,040 km (0.11 R)
• M33: 7,661,206 km (0.108 R)
• M34: 7,765,177 km (0.077 R)
• M35: 7,995,857 km (0.104 R)
• M36: 8,228,631 km (0.112 R)
• M37: 8,356,537 km (0.086 R)
• M38: 8,896,735 km (0.039 R)
• M39: 9,292,870 km (0.099 R)
• M40: 9,470,742 km (0.119 R)
• M41: 11,051,393 km (0.067 R)
• M42: 11,287,309 km (0.062 R)
• M43: 11,980,695 km (0.108 R)
• M44: 12,247,278 km (0.054 R)
• M45: 12,344,816 km (0.078 R)
• M46: 12,515,956 km (0.066 R)
• M47: 12,687,994 km (0.09 R)
• M48: 13,509,137 km (0.104 R)
• M49: 14,040,807 km (0.12 R)
• M50: 14,501,868 km (0.113 R)
• M51: 14,760,224 km (0.025 R)
• M52: 15,729,319 km (0.038 R)
• M53: 16,583,971 km (0.106 R)
• M54: 16,935,526 km (0.097 R)
• M55: 17,071,511 km (0.094 R)
• M56: 18,005,001 km (0.086 R)
• M57: 18,088,178 km (0.109 R)
• M58: 18,394,255 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 15

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.39 AU - 3.91 AU

Year: 4650 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 21,937,396 km

• M1: 187,446 km (0.102 R)
• M2: 323,730 km (0.089 R)
• M3: 455,376 km (0.086 R)
• M4: 603,927 km (0.074 R)
• M5: 1,059,003 km (0.097 R)
• M6: 1,256,323 km (0.071 R)
• M7: 1,452,147 km (0.081 R)
• M8: 1,554,172 km (0.045 R)
• M9: 1,781,411 km (0.101 R)
• M10: 2,036,326 km (0.118 R)
• M11: 2,218,836 km (0.057 R)
• M12: 2,494,096 km (0.116 R)
• M13: 2,654,016 km (0.119 R)
• M14: 2,984,478 km (0.069 R)
• M15: 3,078,575 km (0.088 R)
• M16: 3,485,481 km (0.097 R)
• M17: 3,624,906 km (0.097 R)
• M18: 3,807,116 km (0.051 R)
• M19: 4,075,794 km (0.097 R)
• M20: 4,415,082 km (0.104 R)
• M21: 5,511,186 km (0.078 R)
• M22: 5,863,189 km (0.059 R)
• M23: 6,078,012 km (0.032 R)
• M24: 6,344,147 km (0.07 R)
• M25: 6,490,902 km (0.109 R)
• M26: 6,614,171 km (0.049 R)
• M27: 6,862,952 km (0.083 R)
• M28: 6,963,332 km (0.092 R)
• M29: 7,318,627 km (0.057 R)
• M30: 7,889,044 km (0.111 R)
• M31: 8,126,605 km (0.091 R)
• M32: 8,473,971 km (0.106 R)
• M33: 8,798,898 km (0.041 R)
• M34: 8,990,383 km (0.08 R)
• M35: 9,377,543 km (0.079 R)
• M36: 9,573,217 km (0.041 R)
• M37: 9,883,333 km (0.112 R)
• M38: 10,398,249 km (0.093 R)
• M39: 11,305,410 km (0.071 R)
• M40: 11,424,341 km (0.036 R)
• M41: 11,753,456 km (0.082 R)
• M42: 11,934,320 km (0.059 R)
• M43: 12,360,075 km (0.061 R)
• M44: 12,574,748 km (0.058 R)
• M45: 12,759,801 km (0.043 R)
• M46: 13,163,865 km (0.106 R)
• M47: 14,272,684 km (0.057 R)
• M48: 14,724,619 km (0.096 R)
• M49: 14,854,620 km (0.064 R)
• M50: 15,083,056 km (0.047 R)
• M51: 15,708,973 km (0.115 R)
• M52: 16,242,738 km (0.05 R)
• M53: 16,410,737 km (0.032 R)
• M54: 17,054,456 km (0.086 R)
• M55: 17,225,148 km (0.089 R)
• M56: 17,948,753 km (0.118 R)
• M57: 18,823,002 km (0.088 R)
• M58: 19,496,791 km (0.094 R)
• M59: 19,711,315 km (0.067 R)
• M60: 19,962,489 km (0.044 R)
• M61: 20,142,456 km (0.119 R)
• M62: 20,323,020 km (0.104 R)
• M63: 21,234,071 km (0.094 R)
• M64: 21,972,636 km (0.072 R)
• M65: 22,121,336 km (0.051 R)
• M66: 22,233,086 km (0.052 R)
• M67: 22,569,532 km (0.106 R)
• M68: 23,058,417 km (0.092 R)
• M69: 25,359,831 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 9.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.99 AU - 4.63 AU

Year: 4959 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 21,937,396 km

• M1: 121,324 km (0.104 R)
• M2: 191,784 km (0.111 R)
• M3: 371,900 km (0.12 R)
• M4: 862,881 km (0.04 R)
• M5: 1,061,696 km (0.078 R)
• M6: 1,288,038 km (0.095 R)
• M7: 1,400,834 km (0.066 R)
• M8: 1,464,862 km (0.099 R)
• M9: 1,530,087 km (0.084 R)
• M10: 1,636,302 km (0.11 R)
• M11: 1,772,884 km (0.064 R)
• M12: 1,941,780 km (0.098 R)
• M13: 2,175,303 km (0.092 R)
• M14: 2,590,138 km (0.114 R)
• M15: 3,318,530 km (0.063 R)
• M16: 3,777,496 km (0.09 R)
• M17: 3,996,058 km (0.048 R)
• M18: 4,069,960 km (0.06 R)
• M19: 4,275,208 km (0.069 R)
• M20: 4,754,669 km (0.037 R)
• M21: 4,892,150 km (0.11 R)
• M22: 4,971,137 km (0.109 R)
• M23: 5,110,562 km (0.061 R)
• M24: 5,495,627 km (0.104 R)
• M25: 5,619,195 km (0.109 R)
• M26: 5,806,342 km (0.075 R)
• M27: 6,122,742 km (0.112 R)
• M28: 6,423,134 km (0.114 R)
• M29: 6,531,593 km (0.104 R)
• M30: 6,596,967 km (0.087 R)
• M31: 6,662,640 km (0.045 R)
• M32: 6,838,567 km (0.1 R)
• M33: 6,993,850 km (0.114 R)
• M34: 7,150,329 km (0.112 R)
• M35: 7,512,356 km (0.089 R)
• M36: 8,113,291 km (0.036 R)
• M37: 8,207,238 km (0.099 R)
• M38: 8,922,615 km (0.067 R)
• M39: 9,509,338 km (0.047 R)
• M40: 10,694,153 km (0.105 R)
• M41: 11,056,031 km (0.117 R)
• M42: 11,369,438 km (0.117 R)
• M43: 11,632,880 km (0.108 R)
• M44: 12,192,675 km (0.107 R)
• M45: 12,788,524 km (0.109 R)
• M46: 13,255,419 km (0.072 R)
• M47: 13,477,123 km (0.069 R)
• M48: 13,672,198 km (0.088 R)
• M49: 13,924,271 km (0.099 R)
• M50: 14,036,768 km (0.106 R)
• M51: 14,661,040 km (0.082 R)
• M52: 14,775,482 km (0.05 R)
• M53: 15,236,543 km (0.062 R)
• M54: 15,352,481 km (0.069 R)
• M55: 15,731,413 km (0.104 R)
• M56: 15,819,376 km (0.077 R)
• M57: 16,261,289 km (0.077 R)
• M58: 16,796,999 km (0.119 R)
• M59: 17,036,804 km (0.068 R)
• M60: 17,338,393 km (0.05 R)
• M61: 17,611,260 km (0.089 R)
• M62: 18,130,664 km (0.095 R)
• M63: 18,345,935 km (0.098 R)
• M64: 18,407,719 km (0.094 R)
• M65: 18,469,353 km (0.076 R)
• M66: 20,003,629 km (0.085 R)
• M67: 20,930,836 km (0.11 R)
• M68: 21,156,729 km (0.112 R)
• M69: 21,871,957 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 12,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit