🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.6

Radius: 11.6

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 11.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,016,944 km

• M1: 144,212 km (0.119 R)
• M2: 570,716 km (0.102 R)
• M3: 958,623 km (0.108 R)
• M4: 1,345,483 km (0.106 R)
• M5: 1,851,423 km (0.109 R)
• M6: 2,321,609 km (0.105 R)
• M7: 3,003,626 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 9.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,016,944 km

• M1: 116,986 km (0.038 R)
• M2: 412,890 km (0.062 R)
• M3: 790,326 km (0.097 R)
• M4: 1,102,985 km (0.088 R)
• M5: 1,571,675 km (0.081 R)
• M6: 2,087,040 km (0.119 R)
• M7: 2,466,270 km (0.077 R)
• M8: 3,398,864 km (0.082 R)
• M9: 4,015,805 km (0.072 R)
• M10: 4,578,443 km (0.113 R)
• M11: 5,071,517 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.6

Radius: 3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.62 AU - 7.12 AU

Year: 12213 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,016,944 km

• M1: 37,399 km (0.029 R)
• M2: 192,532 km (0.047 R)
• M3: 382,073 km (0.094 R)
• M4: 620,682 km (0.068 R)
• M5: 876,045 km (0.099 R)
• M6: 1,816,567 km (0.059 R)
• M7: 1,999,974 km (0.119 R)
• M8: 4,956,626 km (0.089 R)
• M9: 5,193,440 km (0.057 R)
• M10: 5,437,733 km (0.03 R)
• M11: 11,369,438 km (0.059 R)
• M12: 12,546,624 km (0.076 R)
• M13: 15,387,637 km (0.115 R)
• M14: 16,353,142 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.6

Radius: 6.1

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.57 AU - 7.27 AU

Year: 12347 Days

Day: 20.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,016,944 km

• M1: 75,996 km (0.056 R)
• M2: 374,593 km (0.106 R)
• M3: 573,857 km (0.082 R)
• M4: 837,449 km (0.107 R)
• M5: 1,240,166 km (0.08 R)
• M6: 1,527,843 km (0.108 R)
• M7: 1,748,949 km (0.111 R)
• M8: 2,183,531 km (0.116 R)
• M9: 3,125,399 km (0.088 R)
• M10: 5,739,921 km (0.082 R)
• M11: 7,539,134 km (0.113 R)
• M12: 9,341,489 km (0.107 R)
• M13: 9,833,367 km (0.069 R)
• M14: 10,034,876 km (0.095 R)
• M15: 13,398,883 km (0.065 R)
• M16: 15,333,183 km (0.028 R)
• M17: 16,579,034 km (0.032 R)
• M18: 16,864,916 km (0.104 R)
• M19: 22,239,967 km (0.062 R)
• M20: 22,850,776 km (0.11 R)
• M21: 23,293,735 km (0.064 R)
• M22: 25,500,752 km (0.092 R)
• M23: 25,881,628 km (0.088 R)
• M24: 26,654,750 km (0.109 R)
• M25: 28,044,664 km (0.111 R)
• M26: 32,951,175 km (0.06 R)
• M27: 36,682,744 km (0.091 R)
• M28: 37,904,211 km (0.114 R)
• M29: 38,275,812 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.1

Radius: 3.9

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.34 AU - 8.24 AU

Year: 13350 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,016,944 km

• M1: 49,517 km (0.102 R)
• M2: 319,840 km (0.087 R)
• M3: 502,050 km (0.076 R)
• M4: 726,597 km (0.113 R)
• M5: 905,067 km (0.109 R)
• M6: 1,350,570 km (0.118 R)
• M7: 1,593,367 km (0.097 R)
• M8: 2,459,838 km (0.071 R)
• M9: 2,596,720 km (0.085 R)
• M10: 2,843,108 km (0.104 R)
• M11: 3,382,557 km (0.098 R)
• M12: 3,626,552 km (0.039 R)
• M13: 3,908,095 km (0.087 R)
• M14: 6,018,023 km (0.079 R)
• M15: 6,267,253 km (0.118 R)
• M16: 6,523,365 km (0.112 R)
• M17: 6,978,441 km (0.108 R)
• M18: 7,951,576 km (0.03 R)
• M19: 10,162,931 km (0.068 R)
• M20: 10,877,860 km (0.116 R)
• M21: 11,735,205 km (0.106 R)
• M22: 14,012,085 km (0.093 R)
• M23: 14,261,165 km (0.076 R)
• M24: 16,155,224 km (0.118 R)
• M25: 19,109,782 km (0.071 R)
• M26: 19,493,051 km (0.072 R)
• M27: 21,900,979 km (0.104 R)
• M28: 27,783,017 km (0.097 R)
• M29: 29,990,184 km (0.103 R)
• M30: 31,453,850 km (0.04 R)
• M31: 31,773,541 km (0.091 R)
• M32: 34,297,257 km (0.099 R)
• M33: 36,013,294 km (0.081 R)
• M34: 39,739,178 km (0.095 R)
• M35: 41,120,715 km (0.096 R)
• M36: 41,247,873 km (0.103 R)
• M37: 43,055,763 km (0.067 R)
• M38: 43,318,307 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748

Radius: 3.8

Gravity: 51.8 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.61 AU - 11.59 AU

Year: 23407 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,016,944 km

• M1: 47,572 km (0.108 R)
• M2: 176,077 km (0.099 R)
• M3: 403,465 km (0.064 R)
• M4: 852,708 km (0.045 R)
• M5: 1,037,910 km (0.108 R)
• M6: 1,684,173 km (0.107 R)
• M7: 1,836,314 km (0.081 R)
• M8: 2,103,196 km (0.098 R)
• M9: 3,405,596 km (0.094 R)
• M10: 3,776,149 km (0.045 R)
• M11: 4,416,877 km (0.029 R)
• M12: 5,571,623 km (0.105 R)
• M13: 6,173,904 km (0.114 R)
• M14: 6,399,049 km (0.117 R)
• M15: 8,848,116 km (0.09 R)
• M16: 11,857,426 km (0.096 R)
• M17: 12,417,521 km (0.083 R)
• M18: 18,182,873 km (0.069 R)
• M19: 19,497,838 km (0.108 R)
• M20: 20,277,094 km (0.066 R)
• M21: 24,486,778 km (0.059 R)
• M22: 25,854,701 km (0.108 R)
• M23: 28,617,624 km (0.106 R)
• M24: 29,750,229 km (0.04 R)
• M25: 32,779,736 km (0.103 R)
• M26: 34,439,225 km (0.084 R)
• M27: 36,591,041 km (0.099 R)
• M28: 39,597,360 km (0.116 R)
• M29: 41,002,233 km (0.111 R)
• M30: 43,911,164 km (0.093 R)
• M31: 47,475,183 km (0.085 R)
• M32: 53,646,245 km (0.108 R)
• M33: 63,026,481 km (0.119 R)
• M34: 64,084,287 km (0.113 R)
• M35: 67,548,974 km (0.092 R)
• M36: 78,444,187 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 18,692 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit