🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 14.8

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.68 AU - 0.92 AU

Year: 455 Days

Day: 5.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,948,803 km

• M1: 184,454 km (0.114 R)
• M2: 757,564 km (0.087 R)
• M3: 1,333,067 km (0.103 R)
• M4: 1,862,344 km (0.097 R)
• M5: 2,782,072 km (0.03 R)
• M6: 3,276,792 km (0.1 R)
• M7: 4,111,997 km (0.088 R)
• M8: 4,621,377 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.4

Radius: 14.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.6 AU - 2.24 AU

Year: 1692 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 171.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,948,803 km

• M1: 180,565 km (0.064 R)
• M2: 682,166 km (0.087 R)
• M3: 1,847,534 km (0.112 R)
• M4: 2,794,488 km (0.107 R)
• M5: 3,323,018 km (0.099 R)
• M6: 4,644,715 km (0.107 R)
• M7: 6,022,511 km (0.088 R)
• M8: 6,754,045 km (0.058 R)
• M9: 7,375,923 km (0.052 R)
• M10: 10,750,701 km (0.111 R)
• M11: 12,100,074 km (0.087 R)
• M12: 12,614,242 km (0.093 R)
• M13: 13,308,675 km (0.117 R)
• M14: 13,856,802 km (0.092 R)
• M15: 14,729,556 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 11.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.81 AU - 2.77 AU

Year: 2203 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,948,803 km

• M1: 141,669 km (0.045 R)
• M2: 659,128 km (0.082 R)
• M3: 1,060,051 km (0.04 R)
• M4: 1,671,008 km (0.108 R)
• M5: 2,772,497 km (0.054 R)
• M6: 4,071,755 km (0.103 R)
• M7: 5,044,590 km (0.078 R)
• M8: 5,699,080 km (0.105 R)
• M9: 6,122,592 km (0.094 R)
• M10: 7,033,344 km (0.096 R)
• M11: 9,439,476 km (0.075 R)
• M12: 10,125,532 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 14.1

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.58 AU - 5.38 AU

Year: 7066 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,948,803 km

• M1: 185,202 km (0.049 R)
• M2: 785,389 km (0.11 R)
• M3: 1,290,282 km (0.051 R)
• M4: 1,856,659 km (0.11 R)
• M5: 2,324,751 km (0.1 R)
• M6: 3,022,475 km (0.073 R)
• M7: 3,678,612 km (0.043 R)
• M8: 4,428,546 km (0.11 R)
• M9: 7,524,773 km (0.081 R)
• M10: 9,094,803 km (0.064 R)
• M11: 9,996,130 km (0.11 R)
• M12: 12,197,462 km (0.104 R)
• M13: 13,817,907 km (0.075 R)
• M14: 16,376,180 km (0.095 R)
• M15: 17,034,261 km (0.104 R)
• M16: 19,235,743 km (0.099 R)
• M17: 20,030,706 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.3

Radius: 11.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.51 AU - 5.85 AU

Year: 8607 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,948,803 km

• M1: 138,079 km (0.111 R)
• M2: 1,059,003 km (0.094 R)
• M3: 1,406,669 km (0.092 R)
• M4: 1,982,770 km (0.116 R)
• M5: 2,361,702 km (0.107 R)
• M6: 2,868,689 km (0.12 R)
• M7: 3,516,448 km (0.085 R)
• M8: 4,285,680 km (0.083 R)
• M9: 4,753,173 km (0.032 R)
• M10: 5,791,233 km (0.075 R)
• M11: 7,701,897 km (0.105 R)
• M12: 8,063,924 km (0.096 R)
• M13: 8,822,385 km (0.039 R)
• M14: 10,095,762 km (0.045 R)
• M15: 11,539,980 km (0.11 R)
• M16: 17,926,762 km (0.119 R)
• M17: 18,636,454 km (0.091 R)
• M18: 18,998,182 km (0.104 R)
• M19: 21,982,958 km (0.106 R)
• M20: 27,817,874 km (0.059 R)
• M21: 30,236,123 km (0.099 R)
• M22: 34,500,111 km (0.059 R)
• M23: 34,936,488 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 11

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.05 AU - 6.45 AU

Year: 8767 Days

Day: 11.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,948,803 km

• M1: 169,794 km (0.105 R)
• M2: 538,702 km (0.052 R)
• M3: 998,715 km (0.111 R)
• M4: 2,379,653 km (0.073 R)
• M5: 3,832,398 km (0.083 R)
• M6: 4,280,444 km (0.066 R)
• M7: 4,903,669 km (0.086 R)
• M8: 5,372,209 km (0.083 R)
• M9: 7,745,131 km (0.117 R)
• M10: 11,896,172 km (0.088 R)
• M11: 17,942,619 km (0.076 R)
• M12: 23,737,293 km (0.112 R)
• M13: 25,080,831 km (0.065 R)
• M14: 29,989,885 km (0.095 R)
• M15: 30,767,794 km (0.054 R)
• M16: 34,753,979 km (0.111 R)
• M17: 36,925,990 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.7

Radius: 8

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.88 AU - 7.1 AU

Year: 11750 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,948,803 km

• M1: 99,483 km (0.115 R)
• M2: 438,471 km (0.049 R)
• M3: 755,320 km (0.116 R)
• M4: 1,122,134 km (0.056 R)
• M5: 2,294,233 km (0.077 R)
• M6: 2,543,463 km (0.078 R)
• M7: 2,940,795 km (0.063 R)
• M8: 3,330,797 km (0.074 R)
• M9: 4,561,688 km (0.074 R)
• M10: 5,580,599 km (0.078 R)
• M11: 5,963,570 km (0.087 R)
• M12: 6,253,191 km (0.038 R)
• M13: 7,300,376 km (0.063 R)
• M14: 8,415,179 km (0.077 R)
• M15: 9,013,421 km (0.113 R)
• M16: 10,711,806 km (0.096 R)
• M17: 11,469,519 km (0.059 R)
• M18: 14,795,229 km (0.091 R)
• M19: 15,192,861 km (0.104 R)
• M20: 17,657,037 km (0.1 R)
• M21: 18,331,274 km (0.106 R)
• M22: 19,178,447 km (0.042 R)
• M23: 20,950,883 km (0.115 R)
• M24: 24,082,415 km (0.084 R)
• M25: 28,317,082 km (0.088 R)
• M26: 31,039,314 km (0.09 R)
• M27: 37,363,115 km (0.051 R)
• M28: 38,224,949 km (0.11 R)
• M29: 38,598,345 km (0.082 R)
• M30: 39,860,502 km (0.089 R)

Asteroid Belt

Center: 8.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.2

Radius: 4.6

Gravity: 35.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.82 AU - 10.86 AU

Year: 21140 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,948,803 km

• M1: 57,745 km (0.105 R)
• M2: 271,819 km (0.112 R)
• M3: 451,337 km (0.05 R)
• M4: 740,210 km (0.112 R)
• M5: 999,763 km (0.036 R)
• M6: 2,048,593 km (0.108 R)
• M7: 3,558,036 km (0.078 R)
• M8: 5,401,381 km (0.056 R)
• M9: 6,063,501 km (0.042 R)
• M10: 6,369,578 km (0.118 R)
• M11: 7,012,550 km (0.12 R)
• M12: 7,497,696 km (0.079 R)
• M13: 9,840,847 km (0.115 R)
• M14: 11,275,042 km (0.113 R)
• M15: 12,771,918 km (0.097 R)
• M16: 13,420,724 km (0.082 R)
• M17: 13,940,427 km (0.079 R)
• M18: 14,862,249 km (0.076 R)
• M19: 15,498,938 km (0.113 R)
• M20: 16,403,855 km (0.066 R)
• M21: 17,343,330 km (0.117 R)
• M22: 21,865,374 km (0.075 R)
• M23: 22,274,225 km (0.114 R)
• M24: 27,231,600 km (0.072 R)
• M25: 29,777,606 km (0.105 R)
• M26: 31,043,952 km (0.086 R)
• M27: 38,211,635 km (0.069 R)
• M28: 40,467,271 km (0.115 R)
• M29: 44,095,768 km (0.119 R)
• M30: 45,572,747 km (0.047 R)
• M31: 47,422,375 km (0.088 R)
• M32: 49,847,955 km (0.095 R)
• M33: 53,639,364 km (0.112 R)
• M34: 57,424,639 km (0.053 R)
• M35: 78,088,593 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.4

Radius: 7.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.07 AU - 11.73 AU

Year: 21325 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,948,803 km

• M1: 95,743 km (0.105 R)
• M2: 460,761 km (0.065 R)
• M3: 895,642 km (0.049 R)
• M4: 1,693,448 km (0.062 R)
• M5: 4,561,538 km (0.077 R)
• M6: 5,650,910 km (0.102 R)
• M7: 6,615,517 km (0.098 R)
• M8: 8,098,032 km (0.078 R)
• M9: 12,312,653 km (0.093 R)
• M10: 14,262,212 km (0.088 R)
• M11: 14,814,976 km (0.059 R)
• M12: 16,333,993 km (0.087 R)
• M13: 17,324,780 km (0.045 R)
• M14: 34,820,101 km (0.113 R)
• M15: 36,202,086 km (0.079 R)
• M16: 48,292,137 km (0.096 R)
• M17: 51,283,945 km (0.112 R)
• M18: 57,287,158 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110

Radius: 4.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.35 AU - 13.31 AU

Year: 22661 Days

Day: 22.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,948,803 km

• M1: 61,186 km (0.098 R)
• M2: 805,285 km (0.11 R)
• M3: 3,434,318 km (0.073 R)
• M4: 4,841,286 km (0.116 R)
• M5: 5,807,689 km (0.062 R)
• M6: 6,085,641 km (0.091 R)
• M7: 7,569,951 km (0.101 R)
• M8: 14,743,020 km (0.081 R)
• M9: 15,064,954 km (0.114 R)
• M10: 15,457,499 km (0.113 R)
• M11: 15,991,414 km (0.045 R)
• M12: 22,108,471 km (0.116 R)
• M13: 24,182,197 km (0.086 R)
• M14: 25,266,183 km (0.097 R)
• M15: 28,811,802 km (0.116 R)
• M16: 43,880,047 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit