🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 9.5

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 284 Days

Day: 12.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,035,904 km

• M1: 118,182 km (0.043 R)
• M2: 449,990 km (0.113 R)
• M3: 834,457 km (0.114 R)
• M4: 1,352,664 km (0.032 R)
• M5: 2,074,623 km (0.104 R)
• M6: 2,643,394 km (0.053 R)
• M7: 3,993,515 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.4

Radius: 8.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.73 AU - 0.85 AU

Year: 476 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,035,904 km

• M1: 106,962 km (0.085 R)
• M2: 432,338 km (0.109 R)
• M3: 746,344 km (0.093 R)
• M4: 1,254,528 km (0.095 R)
• M5: 1,613,712 km (0.102 R)
• M6: 2,210,458 km (0.112 R)
• M7: 2,532,842 km (0.12 R)
• M8: 3,462,293 km (0.103 R)
• M9: 3,813,998 km (0.052 R)
• M10: 4,087,014 km (0.065 R)
• M11: 4,412,988 km (0.093 R)
• M12: 4,756,464 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 8.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.57 AU - 2.07 AU

Year: 1665 Days

Day: 11.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,035,904 km

• M1: 102,026 km (0.069 R)
• M2: 371,900 km (0.063 R)
• M3: 793,766 km (0.11 R)
• M4: 1,159,982 km (0.114 R)
• M5: 1,525,300 km (0.078 R)
• M6: 1,782,159 km (0.081 R)
• M7: 2,561,415 km (0.077 R)
• M8: 2,981,037 km (0.063 R)
• M9: 3,565,665 km (0.06 R)
• M10: 4,310,363 km (0.104 R)
• M11: 4,737,914 km (0.042 R)
• M12: 5,213,187 km (0.111 R)
• M13: 7,094,529 km (0.077 R)
• M14: 7,513,852 km (0.104 R)
• M15: 9,535,518 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 8.6

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.18 AU - 3.1 AU

Year: 2909 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,035,904 km

• M1: 106,962 km (0.115 R)
• M2: 443,408 km (0.063 R)
• M3: 735,274 km (0.06 R)
• M4: 1,409,661 km (0.101 R)
• M5: 1,840,802 km (0.114 R)
• M6: 2,213,151 km (0.11 R)
• M7: 2,540,471 km (0.1 R)
• M8: 2,951,566 km (0.047 R)
• M9: 3,542,328 km (0.037 R)
• M10: 4,143,562 km (0.081 R)
• M11: 4,503,494 km (0.116 R)
• M12: 6,536,829 km (0.082 R)
• M13: 7,025,714 km (0.066 R)
• M14: 7,538,835 km (0.102 R)
• M15: 7,838,330 km (0.117 R)
• M16: 8,390,346 km (0.101 R)
• M17: 10,082,448 km (0.087 R)
• M18: 11,115,122 km (0.104 R)
• M19: 12,537,648 km (0.039 R)
• M20: 13,006,039 km (0.114 R)
• M21: 13,779,759 km (0.033 R)
• M22: 15,848,249 km (0.12 R)
• M23: 18,473,093 km (0.106 R)
• M24: 19,825,458 km (0.094 R)
• M25: 21,507,237 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 8.9

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.04 AU - 4.48 AU

Year: 4945 Days

Day: 5.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,035,904 km

• M1: 110,702 km (0.069 R)
• M2: 430,543 km (0.088 R)
• M3: 1,050,027 km (0.117 R)
• M4: 1,506,002 km (0.113 R)
• M5: 1,828,834 km (0.076 R)
• M6: 3,107,447 km (0.118 R)
• M7: 3,749,222 km (0.11 R)
• M8: 4,224,345 km (0.099 R)
• M9: 5,709,552 km (0.05 R)
• M10: 6,371,822 km (0.106 R)
• M11: 8,428,494 km (0.119 R)
• M12: 9,202,663 km (0.098 R)
• M13: 9,585,633 km (0.087 R)
• M14: 10,292,633 km (0.052 R)
• M15: 11,564,065 km (0.091 R)
• M16: 12,060,431 km (0.104 R)
• M17: 12,674,979 km (0.057 R)
• M18: 13,096,097 km (0.093 R)
• M19: 15,581,217 km (0.118 R)
• M20: 16,745,686 km (0.055 R)
• M21: 18,099,098 km (0.11 R)
• M22: 18,904,384 km (0.026 R)
• M23: 20,730,974 km (0.06 R)
• M24: 22,749,199 km (0.085 R)
• M25: 26,999,125 km (0.109 R)
• M26: 27,696,699 km (0.073 R)
• M27: 29,677,226 km (0.071 R)
• M28: 31,557,820 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.3

Radius: 9.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.37 AU - 5.31 AU

Year: 6132 Days

Day: 5.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,035,904 km

• M1: 126,410 km (0.067 R)
• M2: 444,006 km (0.102 R)
• M3: 766,689 km (0.11 R)
• M4: 1,898,247 km (0.116 R)
• M5: 3,598,876 km (0.102 R)
• M6: 5,002,702 km (0.054 R)
• M7: 7,324,910 km (0.061 R)
• M8: 8,124,511 km (0.087 R)
• M9: 12,808,121 km (0.069 R)
• M10: 14,915,805 km (0.078 R)
• M11: 15,858,721 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.3

Radius: 9.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.32 AU - 4.38 AU

Year: 6154 Days

Day: 13.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,035,904 km

• M1: 121,922 km (0.043 R)
• M2: 451,038 km (0.086 R)
• M3: 808,277 km (0.096 R)
• M4: 1,175,540 km (0.098 R)
• M5: 1,564,495 km (0.119 R)
• M6: 2,909,978 km (0.116 R)
• M7: 3,235,952 km (0.102 R)
• M8: 3,678,163 km (0.078 R)
• M9: 4,794,013 km (0.077 R)
• M10: 5,192,692 km (0.063 R)
• M11: 6,387,679 km (0.065 R)
• M12: 7,911,633 km (0.057 R)
• M13: 9,487,347 km (0.091 R)
• M14: 10,117,603 km (0.052 R)
• M15: 14,441,580 km (0.114 R)
• M16: 15,154,414 km (0.101 R)
• M17: 16,078,330 km (0.042 R)
• M18: 19,216,744 km (0.099 R)
• M19: 19,788,806 km (0.096 R)
• M20: 22,191,498 km (0.104 R)
• M21: 24,782,234 km (0.089 R)
• M22: 29,223,645 km (0.04 R)
• M23: 31,139,694 km (0.073 R)
• M24: 32,934,570 km (0.105 R)
• M25: 35,540,265 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 12.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.48 AU - 5.02 AU

Year: 7022 Days

Day: 5.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,035,904 km

• M1: 151,692 km (0.102 R)
• M2: 545,434 km (0.104 R)
• M3: 997,818 km (0.105 R)
• M4: 1,393,803 km (0.081 R)
• M5: 2,021,666 km (0.112 R)
• M6: 3,081,567 km (0.048 R)
• M7: 4,678,973 km (0.118 R)
• M8: 7,737,800 km (0.113 R)
• M9: 8,532,015 km (0.12 R)
• M10: 13,225,649 km (0.113 R)
• M11: 13,636,594 km (0.085 R)
• M12: 15,174,610 km (0.083 R)
• M13: 16,151,185 km (0.072 R)
• M14: 17,169,198 km (0.079 R)
• M15: 18,374,209 km (0.102 R)
• M16: 19,258,183 km (0.038 R)
• M17: 21,998,666 km (0.074 R)
• M18: 24,108,744 km (0.075 R)
• M19: 27,952,213 km (0.097 R)
• M20: 28,630,190 km (0.098 R)
• M21: 37,762,093 km (0.076 R)
• M22: 38,949,601 km (0.105 R)
• M23: 39,795,726 km (0.083 R)
• M24: 41,025,570 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.3

Radius: 6.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.63 AU - 7.23 AU

Year: 9794 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,035,904 km

• M1: 76,145 km (0.095 R)
• M2: 328,218 km (0.067 R)
• M3: 547,229 km (0.065 R)
• M4: 1,380,190 km (0.085 R)
• M5: 2,079,710 km (0.094 R)
• M6: 2,407,778 km (0.118 R)
• M7: 3,031,152 km (0.082 R)
• M8: 3,538,438 km (0.09 R)
• M9: 3,914,677 km (0.111 R)
• M10: 5,721,071 km (0.092 R)
• M11: 12,598,684 km (0.118 R)
• M12: 15,694,163 km (0.082 R)
• M13: 15,987,824 km (0.084 R)
• M14: 16,225,235 km (0.118 R)
• M15: 21,846,226 km (0.118 R)
• M16: 26,101,388 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.3

Radius: 5.9

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.23 AU - 9.27 AU

Year: 14633 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,035,904 km

• M1: 75,697 km (0.118 R)
• M2: 262,843 km (0.069 R)
• M3: 485,894 km (0.068 R)
• M4: 916,586 km (0.103 R)
• M5: 1,270,684 km (0.083 R)
• M6: 1,858,305 km (0.088 R)
• M7: 2,194,302 km (0.1 R)
• M8: 2,508,008 km (0.085 R)
• M9: 3,057,780 km (0.095 R)
• M10: 5,056,558 km (0.1 R)
• M11: 5,604,684 km (0.105 R)
• M12: 7,793,002 km (0.089 R)
• M13: 10,439,538 km (0.116 R)
• M14: 10,876,812 km (0.063 R)
• M15: 12,748,431 km (0.079 R)
• M16: 20,467,532 km (0.113 R)
• M17: 21,152,092 km (0.079 R)
• M18: 23,389,627 km (0.064 R)
• M19: 25,289,520 km (0.091 R)
• M20: 26,678,985 km (0.069 R)
• M21: 28,433,768 km (0.047 R)
• M22: 30,154,293 km (0.111 R)
• M23: 30,374,202 km (0.12 R)
• M24: 38,889,911 km (0.068 R)
• M25: 40,071,286 km (0.074 R)
• M26: 42,368,062 km (0.094 R)
• M27: 45,902,611 km (0.093 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: 173 - 19,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit