🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.4 AU - 0.66 AU

Year: 253 Days

Day: 37.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 14.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.75 AU

Year: 384 Days

Day: 13.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,280,297 km

• M1: 180,265 km (0.036 R)
• M2: 326,123 km (0.073 R)
• M3: 458,966 km (0.111 R)
• M4: 693,237 km (0.059 R)
• M5: 808,726 km (0.071 R)
• M6: 1,006,046 km (0.109 R)
• M7: 1,144,424 km (0.105 R)
• M8: 1,254,827 km (0.09 R)
• M9: 1,396,197 km (0.118 R)
• M10: 1,543,252 km (0.093 R)
• M11: 1,662,032 km (0.085 R)
• M12: 1,934,600 km (0.063 R)
• M13: 2,027,051 km (0.04 R)
• M14: 2,211,356 km (0.115 R)
• M15: 2,351,978 km (0.1 R)
• M16: 2,484,521 km (0.036 R)
• M17: 2,574,280 km (0.105 R)
• M18: 2,693,958 km (0.093 R)
• M19: 2,827,101 km (0.053 R)
• M20: 2,938,850 km (0.099 R)
• M21: 3,070,197 km (0.082 R)
• M22: 3,252,557 km (0.04 R)
• M23: 3,476,056 km (0.105 R)
• M24: 3,596,183 km (0.108 R)
• M25: 3,762,835 km (0.09 R)
• M26: 3,899,418 km (0.049 R)
• M27: 4,130,696 km (0.103 R)
• M28: 4,285,231 km (0.055 R)
• M29: 4,407,602 km (0.085 R)
• M30: 4,558,696 km (0.119 R)
• M31: 4,690,492 km (0.111 R)
• M32: 4,823,783 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445

Radius: 11.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.86 AU - 1.32 AU

Year: 747 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 56,280,297 km

• M1: 187,446 km (0.117 R)
• M2: 292,314 km (0.053 R)
• M3: 383,719 km (0.06 R)
• M4: 480,508 km (0.111 R)
• M5: 574,456 km (0.116 R)
• M6: 657,782 km (0.102 R)
• M7: 842,984 km (0.097 R)
• M8: 924,365 km (0.111 R)
• M9: 1,008,439 km (0.085 R)
• M10: 1,084,435 km (0.112 R)
• M11: 1,179,579 km (0.12 R)
• M12: 1,330,673 km (0.093 R)
• M13: 1,420,881 km (0.108 R)
• M14: 1,494,782 km (0.087 R)
• M15: 1,607,878 km (0.119 R)
• M16: 1,763,460 km (0.058 R)
• M17: 1,924,128 km (0.098 R)
• M18: 2,054,876 km (0.098 R)
• M19: 2,139,100 km (0.101 R)
• M20: 2,210,159 km (0.104 R)
• M21: 2,362,001 km (0.106 R)
• M22: 2,592,531 km (0.05 R)
• M23: 2,753,050 km (0.075 R)
• M24: 2,908,931 km (0.06 R)
• M25: 2,988,068 km (0.094 R)
• M26: 3,083,960 km (0.112 R)
• M27: 3,369,542 km (0.065 R)
• M28: 3,545,021 km (0.079 R)
• M29: 3,638,220 km (0.101 R)
• M30: 3,758,048 km (0.087 R)
• M31: 3,835,839 km (0.075 R)
• M32: 4,036,899 km (0.079 R)
• M33: 4,214,621 km (0.096 R)
• M34: 4,331,606 km (0.095 R)
• M35: 4,504,392 km (0.08 R)
• M36: 4,577,994 km (0.06 R)
• M37: 4,763,495 km (0.117 R)
• M38: 4,847,719 km (0.116 R)
• M39: 4,989,388 km (0.075 R)
• M40: 5,151,552 km (0.061 R)
• M41: 5,257,468 km (0.08 R)
• M42: 5,412,750 km (0.063 R)
• M43: 5,599,149 km (0.085 R)
• M44: 5,698,183 km (0.117 R)
• M45: 5,867,827 km (0.118 R)
• M46: 6,059,462 km (0.087 R)
• M47: 6,283,859 km (0.1 R)
• M48: 6,355,815 km (0.107 R)
• M49: 6,490,304 km (0.071 R)
• M50: 6,594,424 km (0.113 R)
• M51: 6,920,547 km (0.113 R)
• M52: 6,995,047 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 12

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.95 AU - 1.41 AU

Year: 841 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 56,280,297 km

• M1: 150,047 km (0.043 R)
• M2: 256,860 km (0.059 R)
• M3: 383,569 km (0.088 R)
• M4: 713,881 km (0.117 R)
• M5: 853,755 km (0.082 R)
• M6: 952,490 km (0.081 R)
• M7: 1,128,716 km (0.038 R)
• M8: 1,210,696 km (0.052 R)
• M9: 1,344,885 km (0.077 R)
• M10: 1,552,228 km (0.106 R)
• M11: 1,636,601 km (0.106 R)
• M12: 1,738,477 km (0.084 R)
• M13: 1,915,750 km (0.115 R)
• M14: 2,150,469 km (0.055 R)
• M15: 2,306,350 km (0.12 R)
• M16: 2,493,049 km (0.043 R)
• M17: 2,872,130 km (0.039 R)
• M18: 2,996,296 km (0.108 R)
• M19: 3,181,049 km (0.117 R)
• M20: 3,279,784 km (0.103 R)
• M21: 3,500,740 km (0.094 R)
• M22: 3,674,722 km (0.062 R)
• M23: 4,010,420 km (0.09 R)
• M24: 4,290,467 km (0.077 R)
• M25: 4,377,982 km (0.054 R)
• M26: 4,455,025 km (0.104 R)
• M27: 4,532,516 km (0.114 R)
• M28: 4,610,606 km (0.097 R)
• M29: 4,722,805 km (0.086 R)
• M30: 4,847,270 km (0.098 R)
• M31: 4,984,302 km (0.097 R)
• M32: 5,180,574 km (0.115 R)
• M33: 5,262,255 km (0.078 R)
• M34: 5,894,306 km (0.109 R)
• M35: 6,537,726 km (0.098 R)
• M36: 6,829,592 km (0.085 R)
• M37: 6,957,797 km (0.119 R)
• M38: 7,073,885 km (0.111 R)
• M39: 7,281,826 km (0.045 R)
• M40: 7,412,874 km (0.076 R)
• M41: 7,544,669 km (0.093 R)
• M42: 7,730,620 km (0.102 R)
• M43: 7,850,896 km (0.104 R)
• M44: 8,079,781 km (0.075 R)
• M45: 8,502,993 km (0.03 R)
• M46: 8,710,486 km (0.074 R)
• M47: 8,919,474 km (0.056 R)
• M48: 9,342,686 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 9.5

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.37 AU - 2.21 AU

Year: 1571 Days

Day: 9.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 56,280,297 km

• M1: 119,230 km (0.084 R)
• M2: 271,819 km (0.041 R)
• M3: 450,589 km (0.077 R)
• M4: 546,930 km (0.105 R)
• M5: 831,315 km (0.104 R)
• M6: 997,967 km (0.07 R)
• M7: 1,120,638 km (0.077 R)
• M8: 1,183,918 km (0.067 R)
• M9: 1,322,744 km (0.076 R)
• M10: 1,389,914 km (0.089 R)
• M11: 1,492,987 km (0.09 R)
• M12: 1,589,777 km (0.103 R)
• M13: 1,780,663 km (0.053 R)
• M14: 1,874,162 km (0.115 R)
• M15: 1,979,030 km (0.081 R)
• M16: 2,105,590 km (0.083 R)
• M17: 2,305,602 km (0.103 R)
• M18: 2,480,482 km (0.08 R)
• M19: 2,585,500 km (0.095 R)
• M20: 2,670,621 km (0.114 R)
• M21: 2,810,944 km (0.109 R)
• M22: 2,920,450 km (0.1 R)
• M23: 3,280,831 km (0.081 R)
• M24: 3,799,487 km (0.087 R)
• M25: 3,872,191 km (0.053 R)
• M26: 4,205,346 km (0.065 R)
• M27: 4,445,301 km (0.097 R)
• M28: 4,637,983 km (0.091 R)
• M29: 5,232,634 km (0.032 R)
• M30: 5,408,861 km (0.086 R)
• M31: 5,545,892 km (0.116 R)
• M32: 6,090,877 km (0.111 R)
• M33: 6,176,298 km (0.057 R)
• M34: 6,262,167 km (0.086 R)
• M35: 6,434,952 km (0.083 R)
• M36: 6,918,303 km (0.063 R)
• M37: 7,156,762 km (0.105 R)
• M38: 7,246,970 km (0.1 R)
• M39: 7,550,354 km (0.12 R)
• M40: 7,780,585 km (0.036 R)
• M41: 8,358,482 km (0.028 R)
• M42: 8,421,762 km (0.117 R)
• M43: 8,532,913 km (0.084 R)
• M44: 8,756,711 km (0.039 R)
• M45: 9,096,149 km (0.063 R)
• M46: 9,275,666 km (0.064 R)
• M47: 9,390,408 km (0.082 R)
• M48: 9,522,204 km (0.111 R)
• M49: 9,604,931 km (0.086 R)
• M50: 9,671,353 km (0.115 R)
• M51: 9,821,100 km (0.114 R)
• M52: 10,224,416 km (0.05 R)
• M53: 11,169,127 km (0.113 R)
• M54: 11,326,354 km (0.063 R)
• M55: 11,537,287 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.9

Radius: 12.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.45 AU - 2.57 AU

Year: 2609 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 56,280,297 km

• M1: 163,361 km (0.08 R)
• M2: 258,954 km (0.059 R)
• M3: 466,895 km (0.081 R)
• M4: 609,611 km (0.106 R)
• M5: 779,255 km (0.119 R)
• M6: 860,188 km (0.118 R)
• M7: 1,087,876 km (0.05 R)
• M8: 1,215,333 km (0.085 R)
• M9: 1,323,642 km (0.076 R)
• M10: 1,422,825 km (0.099 R)
• M11: 1,511,836 km (0.076 R)
• M12: 1,629,121 km (0.068 R)
• M13: 1,845,589 km (0.073 R)
• M14: 1,943,276 km (0.098 R)
• M15: 2,071,631 km (0.057 R)
• M16: 2,566,800 km (0.117 R)
• M17: 2,676,755 km (0.06 R)
• M18: 2,901,152 km (0.102 R)
• M19: 3,489,670 km (0.082 R)
• M20: 3,682,501 km (0.11 R)
• M21: 3,914,827 km (0.103 R)
• M22: 4,005,483 km (0.065 R)
• M23: 4,281,790 km (0.066 R)
• M24: 4,450,537 km (0.093 R)
• M25: 5,227,548 km (0.107 R)
• M26: 5,367,871 km (0.103 R)
• M27: 5,550,231 km (0.048 R)
• M28: 6,004,709 km (0.117 R)
• M29: 6,172,857 km (0.069 R)
• M30: 6,385,436 km (0.119 R)
• M31: 6,839,615 km (0.091 R)
• M32: 7,148,385 km (0.118 R)
• M33: 7,665,544 km (0.109 R)
• M34: 7,871,092 km (0.113 R)
• M35: 8,125,109 km (0.103 R)
• M36: 8,452,130 km (0.111 R)
• M37: 8,617,286 km (0.09 R)
• M38: 8,950,889 km (0.119 R)
• M39: 9,046,931 km (0.043 R)
• M40: 11,690,326 km (0.055 R)
• M41: 12,059,683 km (0.066 R)
• M42: 12,459,857 km (0.096 R)
• M43: 12,756,061 km (0.077 R)
• M44: 12,837,292 km (0.111 R)
• M45: 13,245,844 km (0.03 R)
• M46: 13,410,402 km (0.096 R)
• M47: 13,548,182 km (0.091 R)
• M48: 14,103,638 km (0.111 R)
• M49: 14,384,284 km (0.084 R)
• M50: 14,468,807 km (0.103 R)
• M51: 14,553,479 km (0.111 R)
• M52: 14,865,540 km (0.095 R)
• M53: 15,179,846 km (0.112 R)
• M54: 15,265,864 km (0.048 R)
• M55: 15,496,245 km (0.074 R)
• M56: 16,252,911 km (0.12 R)
• M57: 16,576,641 km (0.109 R)
• M58: 16,932,235 km (0.115 R)
• M59: 17,021,545 km (0.084 R)
• M60: 17,200,614 km (0.108 R)
• M61: 17,320,441 km (0.028 R)
• M62: 17,500,557 km (0.1 R)
• M63: 18,410,561 km (0.067 R)
• M64: 19,804,215 km (0.103 R)
• M65: 20,276,346 km (0.061 R)
• M66: 20,466,335 km (0.057 R)
• M67: 20,593,194 km (0.077 R)
• M68: 21,199,664 km (0.11 R)
• M69: 21,296,005 km (0.117 R)
• M70: 21,521,299 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.8

Radius: 7.3

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.2 AU - 7.36 AU

Year: 12886 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 56,280,297 km

• M1: 110,702 km (0.081 R)
• M2: 249,679 km (0.108 R)
• M3: 427,700 km (0.037 R)
• M4: 937,380 km (0.095 R)
• M5: 1,087,128 km (0.064 R)
• M6: 1,684,322 km (0.097 R)
• M7: 1,841,101 km (0.104 R)
• M8: 2,310,689 km (0.055 R)
• M9: 2,664,039 km (0.062 R)
• M10: 2,816,180 km (0.067 R)
• M11: 3,193,316 km (0.088 R)
• M12: 3,257,643 km (0.1 R)
• M13: 3,586,310 km (0.101 R)
• M14: 3,856,783 km (0.095 R)
• M15: 4,204,299 km (0.096 R)
• M16: 4,275,058 km (0.048 R)
• M17: 5,154,245 km (0.106 R)
• M18: 5,928,564 km (0.112 R)
• M19: 6,047,793 km (0.12 R)
• M20: 6,451,109 km (0.074 R)
• M21: 6,738,636 km (0.077 R)
• M22: 7,241,285 km (0.062 R)
• M23: 7,756,051 km (0.074 R)
• M24: 8,238,205 km (0.086 R)
• M25: 8,326,917 km (0.036 R)
• M26: 8,460,508 km (0.112 R)
• M27: 8,594,996 km (0.1 R)
• M28: 8,820,590 km (0.12 R)
• M29: 9,508,889 km (0.099 R)
• M30: 10,072,125 km (0.095 R)
• M31: 11,132,326 km (0.119 R)
• M32: 11,775,447 km (0.113 R)
• M33: 12,839,536 km (0.057 R)
• M34: 12,890,998 km (0.077 R)
• M35: 12,942,609 km (0.109 R)
• M36: 13,097,443 km (0.109 R)
• M37: 14,412,408 km (0.09 R)
• M38: 14,680,488 km (0.084 R)
• M39: 14,896,058 km (0.116 R)
• M40: 15,330,491 km (0.099 R)
• M41: 16,100,620 km (0.103 R)
• M42: 16,602,372 km (0.117 R)
• M43: 16,658,471 km (0.117 R)
• M44: 17,109,209 km (0.071 R)
• M45: 17,392,996 km (0.069 R)
• M46: 19,363,799 km (0.064 R)
• M47: 19,541,072 km (0.091 R)
• M48: 20,135,873 km (0.095 R)
• M49: 20,315,391 km (0.097 R)
• M50: 21,221,356 km (0.068 R)
• M51: 21,282,242 km (0.117 R)
• M52: 21,343,128 km (0.079 R)
• M53: 22,140,485 km (0.049 R)
• M54: 23,323,206 km (0.106 R)
• M55: 25,814,609 km (0.092 R)
• M56: 26,598,053 km (0.106 R)
• M57: 26,860,896 km (0.044 R)
• M58: 27,256,882 km (0.093 R)
• M59: 27,588,241 km (0.101 R)
• M60: 27,787,804 km (0.077 R)
• M61: 27,854,376 km (0.095 R)
• M62: 28,792,354 km (0.101 R)
• M63: 28,859,823 km (0.118 R)
• M64: 28,994,760 km (0.116 R)
• M65: 29,672,738 km (0.088 R)
• M66: 30,082,037 km (0.105 R)
• M67: 30,150,404 km (0.116 R)
• M68: 31,459,684 km (0.078 R)
• M69: 33,139,968 km (0.047 R)
• M70: 33,422,857 km (0.072 R)
• M71: 34,490,836 km (0.044 R)
• M72: 34,705,659 km (0.064 R)
• M73: 34,849,273 km (0.076 R)
• M74: 35,136,800 km (0.094 R)
• M75: 35,353,118 km (0.113 R)
• M76: 36,295,435 km (0.082 R)
• M77: 38,278,505 km (0.098 R)
• M78: 38,501,106 km (0.118 R)
• M79: 38,649,657 km (0.11 R)
• M80: 38,872,857 km (0.066 R)
• M81: 39,470,351 km (0.098 R)
• M82: 41,280,784 km (0.065 R)
• M83: 42,272,618 km (0.085 R)
• M84: 45,530,411 km (0.063 R)
• M85: 47,507,646 km (0.104 R)
• M86: 47,666,968 km (0.114 R)
• M87: 48,466,569 km (0.105 R)
• M88: 52,777,830 km (0.068 R)
• M89: 53,356,325 km (0.063 R)
• M90: 53,604,956 km (0.117 R)
• M91: 54,436,272 km (0.105 R)
• M92: 55,188,150 km (0.036 R)
• M93: 55,607,324 km (0.082 R)
• M94: 56,195,991 km (0.033 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 18,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit