🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 11.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.79 AU - 0.91 AU

Year: 506 Days

Day: 7.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,459,485 km

• M1: 145,858 km (0.07 R)
• M2: 545,135 km (0.111 R)
• M3: 967,599 km (0.103 R)
• M4: 1,347,727 km (0.057 R)
• M5: 2,301,414 km (0.042 R)
• M6: 2,702,186 km (0.076 R)
• M7: 3,281,429 km (0.067 R)
• M8: 3,860,074 km (0.028 R)
• M9: 4,505,738 km (0.097 R)
• M10: 4,910,849 km (0.044 R)
• M11: 6,124,537 km (0.057 R)
• M12: 6,505,712 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 12.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.22 AU - 1.6 AU

Year: 1081 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,459,485 km

• M1: 153,188 km (0.119 R)
• M2: 592,856 km (0.029 R)
• M3: 981,063 km (0.085 R)
• M4: 1,381,686 km (0.07 R)
• M5: 2,104,094 km (0.117 R)
• M6: 3,157,413 km (0.053 R)
• M7: 3,569,854 km (0.09 R)
• M8: 3,977,359 km (0.055 R)
• M9: 4,762,448 km (0.111 R)
• M10: 5,442,221 km (0.081 R)
• M11: 5,876,952 km (0.08 R)
• M12: 6,563,158 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 9.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.94 AU - 2.3 AU

Year: 1993 Days

Day: 9.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,459,485 km

• M1: 113,246 km (0.083 R)
• M2: 440,267 km (0.069 R)
• M3: 739,761 km (0.093 R)
• M4: 1,216,979 km (0.089 R)
• M5: 1,595,461 km (0.038 R)
• M6: 2,041,263 km (0.109 R)
• M7: 2,858,516 km (0.039 R)
• M8: 3,846,760 km (0.108 R)
• M9: 4,562,137 km (0.103 R)
• M10: 4,989,987 km (0.119 R)
• M11: 7,268,362 km (0.106 R)
• M12: 7,826,961 km (0.093 R)
• M13: 8,143,659 km (0.057 R)
• M14: 8,774,364 km (0.082 R)
• M15: 9,857,153 km (0.101 R)
• M16: 10,961,036 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 12.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.32 AU - 4.96 AU

Year: 5439 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,459,485 km

• M1: 170,990 km (0.116 R)
• M2: 629,657 km (0.067 R)
• M3: 1,207,404 km (0.093 R)
• M4: 1,944,473 km (0.115 R)
• M5: 3,662,006 km (0.077 R)
• M6: 4,961,114 km (0.049 R)
• M7: 5,947,563 km (0.104 R)
• M8: 9,430,051 km (0.111 R)
• M9: 11,277,735 km (0.087 R)
• M10: 14,384,882 km (0.078 R)
• M11: 16,107,652 km (0.106 R)
• M12: 22,707,162 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 12.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.09 AU - 5.35 AU

Year: 6621 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,459,485 km

• M1: 164,707 km (0.073 R)
• M2: 760,256 km (0.104 R)
• M3: 1,254,229 km (0.11 R)
• M4: 1,654,253 km (0.057 R)
• M5: 2,297,973 km (0.101 R)
• M6: 2,779,229 km (0.037 R)
• M7: 3,433,122 km (0.074 R)
• M8: 3,971,674 km (0.076 R)
• M9: 5,305,189 km (0.094 R)
• M10: 5,749,495 km (0.108 R)
• M11: 6,987,567 km (0.054 R)
• M12: 7,559,330 km (0.09 R)
• M13: 8,796,804 km (0.116 R)
• M14: 11,089,541 km (0.079 R)
• M15: 15,120,156 km (0.071 R)
• M16: 16,017,594 km (0.073 R)
• M17: 17,141,074 km (0.097 R)
• M18: 17,984,506 km (0.114 R)
• M19: 18,517,374 km (0.082 R)
• M20: 19,267,009 km (0.078 R)
• M21: 20,321,824 km (0.058 R)
• M22: 23,559,121 km (0.053 R)
• M23: 24,601,968 km (0.092 R)
• M24: 25,424,906 km (0.094 R)
• M25: 27,474,846 km (0.099 R)
• M26: 30,752,984 km (0.103 R)
• M27: 31,804,657 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 11.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.35 AU - 5.65 AU

Year: 8328 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,459,485 km

• M1: 138,079 km (0.086 R)
• M2: 483,949 km (0.094 R)
• M3: 996,322 km (0.09 R)
• M4: 1,372,860 km (0.091 R)
• M5: 2,037,224 km (0.11 R)
• M6: 2,531,944 km (0.095 R)
• M7: 3,979,902 km (0.074 R)
• M8: 4,676,130 km (0.106 R)
• M9: 5,512,382 km (0.111 R)
• M10: 6,079,807 km (0.098 R)
• M11: 6,932,365 km (0.032 R)
• M12: 7,901,610 km (0.052 R)
• M13: 15,949,227 km (0.118 R)
• M14: 17,432,640 km (0.092 R)
• M15: 20,523,481 km (0.102 R)
• M16: 21,502,450 km (0.055 R)
• M17: 23,553,287 km (0.112 R)
• M18: 26,078,050 km (0.082 R)
• M19: 28,871,192 km (0.046 R)
• M20: 30,678,335 km (0.073 R)
• M21: 31,758,431 km (0.088 R)
• M22: 32,458,848 km (0.108 R)
• M23: 35,470,852 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.6

Radius: 4.2

Gravity: 28.89 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.03 AU - 8.41 AU

Year: 15217 Days

Day: 22 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,459,485 km

• M1: 52,509 km (0.069 R)
• M2: 209,736 km (0.12 R)
• M3: 1,541,008 km (0.074 R)
• M4: 1,697,038 km (0.029 R)
• M5: 2,249,354 km (0.097 R)
• M6: 3,431,476 km (0.077 R)
• M7: 3,590,199 km (0.114 R)
• M8: 5,145,269 km (0.099 R)
• M9: 6,723,826 km (0.082 R)
• M10: 7,939,309 km (0.081 R)
• M11: 9,499,614 km (0.089 R)
• M12: 11,427,781 km (0.099 R)
• M13: 12,452,228 km (0.068 R)
• M14: 13,018,605 km (0.034 R)
• M15: 15,030,696 km (0.079 R)
• M16: 16,406,997 km (0.117 R)
• M17: 17,707,601 km (0.053 R)
• M18: 19,240,979 km (0.098 R)
• M19: 23,694,358 km (0.111 R)
• M20: 23,981,436 km (0.11 R)
• M21: 28,141,753 km (0.073 R)
• M22: 31,589,086 km (0.118 R)
• M23: 34,935,441 km (0.098 R)
• M24: 37,336,038 km (0.068 R)
• M25: 38,907,564 km (0.091 R)
• M26: 41,902,064 km (0.119 R)
• M27: 46,228,136 km (0.102 R)
• M28: 49,739,497 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 17,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit