🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.7

Radius: 8.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.23 AU - 1.43 AU

Year: 1040 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,089,920 km

• M1: 132,245 km (0.057 R)
• M2: 803,341 km (0.069 R)
• M3: 1,200,373 km (0.082 R)
• M4: 2,223,772 km (0.036 R)
• M5: 3,509,117 km (0.051 R)
• M6: 4,000,546 km (0.065 R)
• M7: 4,638,581 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.6

Radius: 10.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.28 AU - 3 AU

Year: 2909 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,089,920 km

• M1: 130,599 km (0.119 R)
• M2: 473,776 km (0.094 R)
• M3: 850,314 km (0.094 R)
• M4: 1,461,571 km (0.117 R)
• M5: 1,966,165 km (0.1 R)
• M6: 2,484,521 km (0.094 R)
• M7: 2,868,988 km (0.042 R)
• M8: 3,258,990 km (0.082 R)
• M9: 4,106,761 km (0.04 R)
• M10: 4,539,996 km (0.048 R)
• M11: 5,974,041 km (0.101 R)
• M12: 6,669,372 km (0.067 R)
• M13: 7,094,529 km (0.046 R)
• M14: 7,537,788 km (0.045 R)
• M15: 8,710,486 km (0.083 R)
• M16: 10,074,070 km (0.113 R)
• M17: 10,826,248 km (0.11 R)
• M18: 15,648,236 km (0.044 R)
• M19: 16,349,701 km (0.076 R)
• M20: 17,229,486 km (0.1 R)
• M21: 17,815,461 km (0.074 R)
• M22: 18,414,600 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 8.6

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.35 AU - 3.01 AU

Year: 2976 Days

Day: 13.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,089,920 km

• M1: 108,758 km (0.105 R)
• M2: 379,530 km (0.069 R)
• M3: 713,731 km (0.104 R)
• M4: 1,007,093 km (0.098 R)
• M5: 1,294,620 km (0.1 R)
• M6: 1,862,045 km (0.108 R)
• M7: 2,978,793 km (0.118 R)
• M8: 3,410,831 km (0.103 R)
• M9: 4,289,121 km (0.101 R)
• M10: 4,745,693 km (0.102 R)
• M11: 5,336,156 km (0.11 R)
• M12: 5,756,526 km (0.114 R)
• M13: 6,813,285 km (0.057 R)
• M14: 8,405,007 km (0.072 R)
• M15: 9,157,933 km (0.092 R)
• M16: 11,384,996 km (0.089 R)
• M17: 13,181,517 km (0.03 R)
• M18: 18,426,269 km (0.118 R)
• M19: 20,826,268 km (0.111 R)
• M20: 21,604,775 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 14.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.92 AU - 4.32 AU

Year: 4671 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,089,920 km

• M1: 179,218 km (0.084 R)
• M2: 786,436 km (0.104 R)
• M3: 1,825,692 km (0.104 R)
• M4: 2,949,621 km (0.029 R)
• M5: 3,553,548 km (0.069 R)
• M6: 4,194,126 km (0.12 R)
• M7: 4,936,131 km (0.046 R)
• M8: 5,542,152 km (0.109 R)
• M9: 6,437,496 km (0.063 R)
• M10: 7,097,521 km (0.081 R)
• M11: 8,927,702 km (0.096 R)
• M12: 10,325,544 km (0.052 R)
• M13: 11,957,208 km (0.083 R)
• M14: 13,005,740 km (0.09 R)
• M15: 18,064,541 km (0.113 R)
• M16: 20,358,774 km (0.08 R)
• M17: 21,097,040 km (0.058 R)
• M18: 21,783,544 km (0.075 R)
• M19: 23,859,065 km (0.118 R)
• M20: 24,755,306 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 14.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.42 AU - 4.18 AU

Year: 5024 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,089,920 km

• M1: 185,352 km (0.057 R)
• M2: 769,083 km (0.114 R)
• M3: 1,311,225 km (0.112 R)
• M4: 2,021,965 km (0.089 R)
• M5: 2,514,890 km (0.116 R)
• M6: 2,982,383 km (0.1 R)
• M7: 3,576,436 km (0.064 R)
• M8: 4,709,191 km (0.112 R)
• M9: 5,202,715 km (0.037 R)
• M10: 8,335,444 km (0.112 R)
• M11: 11,458,000 km (0.027 R)
• M12: 12,639,674 km (0.1 R)
• M13: 14,383,985 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 8.2

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.85 AU - 5.73 AU

Year: 8252 Days

Day: 12.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,089,920 km

• M1: 102,026 km (0.101 R)
• M2: 478,713 km (0.076 R)
• M3: 748,438 km (0.119 R)
• M4: 1,103,434 km (0.073 R)
• M5: 1,373,308 km (0.062 R)
• M6: 1,784,403 km (0.052 R)
• M7: 2,394,314 km (0.087 R)
• M8: 2,719,689 km (0.082 R)
• M9: 4,023,584 km (0.078 R)
• M10: 6,053,179 km (0.06 R)
• M11: 7,646,097 km (0.118 R)
• M12: 9,150,752 km (0.051 R)
• M13: 12,361,272 km (0.043 R)
• M14: 14,073,420 km (0.117 R)
• M15: 15,564,910 km (0.091 R)
• M16: 16,444,696 km (0.106 R)
• M17: 17,027,529 km (0.063 R)
• M18: 17,290,971 km (0.113 R)
• M19: 20,004,078 km (0.085 R)
• M20: 21,423,313 km (0.038 R)
• M21: 23,472,654 km (0.096 R)
• M22: 24,211,518 km (0.101 R)
• M23: 25,135,434 km (0.093 R)
• M24: 26,170,053 km (0.07 R)
• M25: 28,323,814 km (0.108 R)
• M26: 29,823,682 km (0.11 R)
• M27: 30,885,079 km (0.095 R)
• M28: 31,573,528 km (0.093 R)
• M29: 34,745,751 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.3

Radius: 3.9

Gravity: 56.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.66 AU - 8.34 AU

Year: 12561 Days

Day: 19.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,089,920 km

• M1: 62,831 km (0.082 R)
• M2: 460,313 km (0.058 R)
• M3: 596,596 km (0.055 R)
• M4: 798,254 km (0.114 R)
• M5: 1,055,862 km (0.077 R)
• M6: 1,256,772 km (0.12 R)
• M7: 1,423,873 km (0.117 R)
• M8: 1,669,662 km (0.113 R)
• M9: 3,528,565 km (0.089 R)
• M10: 5,233,083 km (0.06 R)
• M11: 7,112,332 km (0.085 R)
• M12: 7,689,630 km (0.088 R)
• M13: 9,714,587 km (0.092 R)
• M14: 12,379,822 km (0.116 R)
• M15: 13,476,674 km (0.099 R)
• M16: 16,461,450 km (0.062 R)
• M17: 24,576,537 km (0.053 R)
• M18: 26,718,629 km (0.102 R)
• M19: 26,928,814 km (0.102 R)
• M20: 34,628,167 km (0.055 R)
• M21: 37,839,884 km (0.101 R)
• M22: 56,386,130 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 10,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit