🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.4

Radius: 10.1

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.72 AU - 0.76 AU

Year: 439 Days

Day: 11.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,345,987 km

• M1: 125,662 km (0.101 R)
• M2: 445,203 km (0.066 R)
• M3: 812,017 km (0.114 R)
• M4: 1,167,611 km (0.104 R)
• M5: 1,628,672 km (0.114 R)
• M6: 2,475,546 km (0.098 R)
• M7: 2,816,030 km (0.098 R)
• M8: 3,617,277 km (0.091 R)
• M9: 4,004,436 km (0.099 R)
• M10: 4,711,585 km (0.08 R)
• M11: 5,483,211 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.2

Radius: 12.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.65 AU - 0.91 AU

Year: 476 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,345,987 km

• M1: 154,235 km (0.095 R)
• M2: 546,331 km (0.079 R)
• M3: 1,057,657 km (0.09 R)
• M4: 1,573,470 km (0.113 R)
• M5: 2,122,644 km (0.072 R)
• M6: 2,738,987 km (0.085 R)
• M7: 3,257,942 km (0.083 R)
• M8: 3,768,520 km (0.098 R)
• M9: 4,265,334 km (0.116 R)
• M10: 5,100,390 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 14

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.98 AU - 1.02 AU

Year: 690 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,345,987 km

• M1: 174,132 km (0.094 R)
• M2: 724,652 km (0.105 R)
• M3: 1,199,177 km (0.12 R)
• M4: 1,680,134 km (0.068 R)
• M5: 2,404,187 km (0.119 R)
• M6: 2,953,062 km (0.066 R)
• M7: 3,796,196 km (0.115 R)
• M8: 4,353,747 km (0.111 R)
• M9: 5,283,797 km (0.078 R)
• M10: 5,825,491 km (0.076 R)
• M11: 7,913,129 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 13.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.12 AU - 6.36 AU

Year: 8280 Days

Day: 6.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 148.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,345,987 km

• M1: 167,250 km (0.095 R)
• M2: 1,206,507 km (0.059 R)
• M3: 1,860,698 km (0.108 R)
• M4: 2,361,103 km (0.067 R)
• M5: 3,328,702 km (0.077 R)
• M6: 3,891,190 km (0.073 R)
• M7: 5,368,320 km (0.075 R)
• M8: 5,936,044 km (0.096 R)
• M9: 7,512,057 km (0.105 R)
• M10: 10,427,420 km (0.106 R)
• M11: 13,000,205 km (0.032 R)
• M12: 16,656,676 km (0.086 R)
• M13: 17,795,116 km (0.102 R)
• M14: 20,706,440 km (0.1 R)
• M15: 22,359,945 km (0.026 R)
• M16: 27,165,477 km (0.103 R)
• M17: 34,172,941 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.5

Radius: 7.2

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.94 AU - 6.64 AU

Year: 9617 Days

Day: 16.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,345,987 km

• M1: 102,923 km (0.104 R)
• M2: 408,851 km (0.119 R)
• M3: 909,854 km (0.118 R)
• M4: 1,378,844 km (0.093 R)
• M5: 4,250,823 km (0.096 R)
• M6: 6,306,448 km (0.095 R)
• M7: 6,651,720 km (0.091 R)
• M8: 10,246,557 km (0.074 R)
• M9: 11,328,149 km (0.117 R)
• M10: 12,187,888 km (0.102 R)
• M11: 14,625,885 km (0.106 R)
• M12: 17,148,703 km (0.097 R)
• M13: 18,904,234 km (0.065 R)
• M14: 20,776,302 km (0.1 R)
• M15: 22,768,497 km (0.077 R)
• M16: 28,248,117 km (0.105 R)
• M17: 32,239,388 km (0.062 R)
• M18: 34,428,155 km (0.055 R)
• M19: 36,224,526 km (0.095 R)
• M20: 36,714,010 km (0.116 R)
• M21: 38,082,532 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.2

Radius: 3

Gravity: 35.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.12 AU - 7.38 AU

Year: 12105 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,345,987 km

• M1: 37,250 km (0.049 R)
• M2: 549,323 km (0.104 R)
• M3: 931,696 km (0.1 R)
• M4: 1,053,019 km (0.073 R)
• M5: 1,162,226 km (0.095 R)
• M6: 1,315,414 km (0.085 R)
• M7: 1,508,844 km (0.06 R)
• M8: 1,826,141 km (0.118 R)
• M9: 2,100,504 km (0.075 R)
• M10: 2,364,843 km (0.069 R)
• M11: 2,937,653 km (0.056 R)
• M12: 3,155,169 km (0.12 R)
• M13: 5,619,644 km (0.099 R)
• M14: 6,126,930 km (0.113 R)
• M15: 7,547,213 km (0.107 R)
• M16: 12,026,322 km (0.08 R)
• M17: 12,413,033 km (0.092 R)
• M18: 12,637,729 km (0.088 R)
• M19: 16,611,048 km (0.105 R)
• M20: 28,813,597 km (0.117 R)
• M21: 32,913,925 km (0.072 R)
• M22: 33,452,178 km (0.084 R)
• M23: 37,854,544 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.5

Radius: 5.3

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.95 AU - 10.43 AU

Year: 22453 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,345,987 km

• M1: 68,965 km (0.099 R)
• M2: 1,037,461 km (0.082 R)
• M3: 1,982,471 km (0.05 R)
• M4: 2,368,882 km (0.103 R)
• M5: 4,700,066 km (0.034 R)
• M6: 5,016,765 km (0.079 R)
• M7: 7,886,949 km (0.061 R)
• M8: 8,133,487 km (0.105 R)
• M9: 8,745,940 km (0.096 R)
• M10: 9,609,718 km (0.102 R)
• M11: 13,287,881 km (0.052 R)
• M12: 23,863,404 km (0.103 R)
• M13: 41,128,943 km (0.11 R)
• M14: 44,301,764 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 20,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit