🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.3

Radius: 14.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.75 AU - 0.99 AU

Year: 524 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,992,471 km

• M1: 179,069 km (0.111 R)
• M2: 690,095 km (0.091 R)
• M3: 1,184,217 km (0.098 R)
• M4: 1,649,466 km (0.106 R)
• M5: 2,099,008 km (0.111 R)
• M6: 2,551,691 km (0.096 R)
• M7: 3,435,066 km (0.075 R)
• M8: 3,922,157 km (0.098 R)
• M9: 5,182,220 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 12.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.05 AU - 1.41 AU

Year: 881 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,992,471 km

• M1: 151,692 km (0.112 R)
• M2: 816,356 km (0.047 R)
• M3: 1,539,512 km (0.103 R)
• M4: 1,967,810 km (0.095 R)
• M5: 3,008,114 km (0.083 R)
• M6: 4,018,199 km (0.045 R)
• M7: 5,468,251 km (0.039 R)
• M8: 6,145,481 km (0.076 R)
• M9: 6,612,824 km (0.053 R)
• M10: 7,571,298 km (0.113 R)
• M11: 8,777,805 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.7

Radius: 8.4

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.48 AU - 1.66 AU

Year: 1270 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,992,471 km

• M1: 104,569 km (0.106 R)
• M2: 404,064 km (0.098 R)
• M3: 667,655 km (0.073 R)
• M4: 1,439,431 km (0.036 R)
• M5: 1,856,360 km (0.083 R)
• M6: 2,127,880 km (0.082 R)
• M7: 2,566,202 km (0.102 R)
• M8: 2,848,942 km (0.119 R)
• M9: 3,152,476 km (0.092 R)
• M10: 3,656,920 km (0.09 R)
• M11: 4,380,824 km (0.081 R)
• M12: 4,648,754 km (0.113 R)
• M13: 5,092,162 km (0.079 R)
• M14: 5,453,890 km (0.107 R)
• M15: 5,901,337 km (0.11 R)
• M16: 6,692,859 km (0.1 R)
• M17: 7,153,621 km (0.096 R)
• M18: 9,398,486 km (0.106 R)
• M19: 10,612,174 km (0.102 R)
• M20: 11,927,139 km (0.037 R)
• M21: 12,528,223 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 8

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.6 AU - 1.68 AU

Year: 1356 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,992,471 km

• M1: 99,931 km (0.099 R)
• M2: 404,513 km (0.078 R)
• M3: 791,223 km (0.107 R)
• M4: 2,105,740 km (0.039 R)
• M5: 2,721,036 km (0.097 R)
• M6: 3,495,055 km (0.115 R)
• M7: 5,156,938 km (0.111 R)
• M8: 6,469,659 km (0.094 R)
• M9: 7,119,363 km (0.08 R)
• M10: 7,862,864 km (0.069 R)
• M11: 9,158,830 km (0.086 R)
• M12: 10,250,745 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 8.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.86 AU - 5.22 AU

Year: 7306 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,992,471 km

• M1: 103,522 km (0.086 R)
• M2: 391,647 km (0.034 R)
• M3: 742,604 km (0.093 R)
• M4: 1,206,058 km (0.066 R)
• M5: 1,559,857 km (0.107 R)
• M6: 1,824,196 km (0.081 R)
• M7: 2,134,163 km (0.077 R)
• M8: 2,584,602 km (0.104 R)
• M9: 3,431,775 km (0.095 R)
• M10: 4,690,043 km (0.048 R)
• M11: 5,305,788 km (0.071 R)
• M12: 5,942,775 km (0.116 R)
• M13: 6,494,941 km (0.041 R)
• M14: 7,187,878 km (0.093 R)
• M15: 9,476,726 km (0.072 R)
• M16: 10,367,432 km (0.049 R)
• M17: 11,361,509 km (0.064 R)
• M18: 11,656,965 km (0.06 R)
• M19: 12,890,250 km (0.04 R)
• M20: 13,374,349 km (0.086 R)
• M21: 14,899,948 km (0.082 R)
• M22: 17,174,135 km (0.102 R)
• M23: 18,225,808 km (0.04 R)
• M24: 21,637,836 km (0.03 R)
• M25: 22,552,926 km (0.034 R)
• M26: 24,870,796 km (0.059 R)
• M27: 26,386,820 km (0.102 R)
• M28: 28,322,168 km (0.069 R)
• M29: 32,969,127 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.1

Radius: 6.4

Gravity: 22.46 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.86 AU - 8.04 AU

Year: 10577 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,992,471 km

• M1: 80,484 km (0.059 R)
• M2: 388,805 km (0.084 R)
• M3: 687,552 km (0.105 R)
• M4: 1,270,236 km (0.096 R)
• M5: 1,472,791 km (0.118 R)
• M6: 1,793,080 km (0.045 R)
• M7: 2,159,146 km (0.109 R)
• M8: 3,087,850 km (0.098 R)
• M9: 3,830,453 km (0.039 R)
• M10: 4,468,788 km (0.105 R)
• M11: 5,277,813 km (0.102 R)
• M12: 5,807,838 km (0.106 R)
• M13: 7,567,707 km (0.115 R)
• M14: 8,241,347 km (0.092 R)
• M15: 9,052,167 km (0.108 R)
• M16: 10,125,681 km (0.102 R)
• M17: 14,721,926 km (0.076 R)
• M18: 14,927,624 km (0.07 R)
• M19: 16,129,044 km (0.082 R)
• M20: 17,014,963 km (0.091 R)
• M21: 17,241,454 km (0.113 R)
• M22: 17,855,254 km (0.067 R)
• M23: 22,566,091 km (0.105 R)
• M24: 23,579,616 km (0.034 R)
• M25: 28,148,485 km (0.106 R)
• M26: 28,998,949 km (0.076 R)
• M27: 34,344,829 km (0.059 R)
• M28: 35,071,276 km (0.089 R)
• M29: 41,801,834 km (0.062 R)
• M30: 46,051,161 km (0.082 R)
• M31: 52,311,982 km (0.12 R)
• M32: 53,273,298 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.1

Radius: 4.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.76 AU - 11.46 AU

Year: 19235 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,992,471 km

• M1: 148,551 km (0.043 R)
• M2: 350,807 km (0.12 R)
• M3: 853,157 km (0.104 R)
• M4: 1,037,012 km (0.117 R)
• M5: 1,236,127 km (0.082 R)
• M6: 1,498,522 km (0.096 R)
• M7: 1,870,422 km (0.105 R)
• M8: 2,795,984 km (0.12 R)
• M9: 5,620,691 km (0.092 R)
• M10: 8,037,146 km (0.102 R)
• M11: 8,947,299 km (0.1 R)
• M12: 10,920,944 km (0.108 R)
• M13: 11,267,412 km (0.072 R)
• M14: 13,616,249 km (0.119 R)
• M15: 17,993,781 km (0.092 R)
• M16: 21,638,734 km (0.102 R)
• M17: 22,501,764 km (0.088 R)
• M18: 32,025,912 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit