🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 8.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 6.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,406,514 km

• M1: 109,805 km (0.081 R)
• M2: 391,049 km (0.106 R)
• M3: 1,083,986 km (0.119 R)
• M4: 1,499,419 km (0.118 R)
• M5: 1,849,778 km (0.079 R)
• M6: 2,562,761 km (0.05 R)
• M7: 2,908,781 km (0.053 R)
• M8: 3,201,694 km (0.095 R)
• M9: 3,776,598 km (0.114 R)
• M10: 4,497,361 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 9.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.56 AU - 0.68 AU

Year: 337 Days

Day: 11.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 28,406,514 km

• M1: 114,891 km (0.084 R)
• M2: 434,881 km (0.083 R)
• M3: 817,403 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 8.9

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.07 AU

Year: 619 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,406,514 km

• M1: 111,600 km (0.072 R)
• M2: 448,494 km (0.119 R)
• M3: 809,025 km (0.12 R)
• M4: 1,427,164 km (0.036 R)
• M5: 2,359,458 km (0.113 R)
• M6: 2,730,311 km (0.091 R)
• M7: 3,083,661 km (0.091 R)
• M8: 3,479,497 km (0.1 R)
• M9: 4,560,940 km (0.104 R)
• M10: 4,951,690 km (0.064 R)
• M11: 5,714,788 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 10.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.04 AU - 1.32 AU

Year: 885 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,406,514 km

• M1: 129,402 km (0.057 R)
• M2: 481,705 km (0.065 R)
• M3: 1,027,139 km (0.053 R)
• M4: 1,357,750 km (0.111 R)
• M5: 1,735,036 km (0.072 R)
• M6: 2,152,414 km (0.069 R)
• M7: 2,636,513 km (0.064 R)
• M8: 2,961,140 km (0.074 R)
• M9: 3,590,798 km (0.065 R)
• M10: 4,100,178 km (0.071 R)
• M11: 5,227,249 km (0.095 R)
• M12: 5,625,927 km (0.084 R)
• M13: 5,983,915 km (0.117 R)
• M14: 7,714,762 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.5

Radius: 10.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.54 AU - 1.9 AU

Year: 1557 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,406,514 km

• M1: 134,339 km (0.047 R)
• M2: 585,676 km (0.076 R)
• M3: 1,163,123 km (0.113 R)
• M4: 1,959,882 km (0.041 R)
• M5: 3,844,366 km (0.084 R)
• M6: 4,320,686 km (0.033 R)
• M7: 5,537,515 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 13.4

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.71 AU - 3.17 AU

Year: 3480 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,406,514 km

• M1: 174,581 km (0.084 R)
• M2: 707,897 km (0.112 R)
• M3: 1,788,143 km (0.09 R)
• M4: 2,215,096 km (0.064 R)
• M5: 4,962,760 km (0.07 R)
• M6: 5,821,452 km (0.108 R)
• M7: 9,346,875 km (0.098 R)
• M8: 9,784,000 km (0.115 R)
• M9: 13,537,111 km (0.108 R)
• M10: 14,994,494 km (0.071 R)
• M11: 15,929,032 km (0.104 R)
• M12: 16,669,541 km (0.093 R)
• M13: 18,404,278 km (0.06 R)
• M14: 23,737,143 km (0.076 R)
• M15: 24,553,349 km (0.1 R)
• M16: 25,006,331 km (0.083 R)
• M17: 26,320,100 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.2

Radius: 4.4

Gravity: 38.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.87 AU - 9.57 AU

Year: 14806 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 28,406,514 km

• M1: 58,493 km (0.106 R)
• M2: 195,524 km (0.117 R)
• M3: 559,646 km (0.075 R)
• M4: 736,919 km (0.074 R)
• M5: 1,193,941 km (0.052 R)
• M6: 1,601,296 km (0.103 R)
• M7: 2,754,994 km (0.115 R)
• M8: 4,438,270 km (0.114 R)
• M9: 4,634,093 km (0.115 R)
• M10: 5,700,726 km (0.069 R)
• M11: 6,291,189 km (0.117 R)
• M12: 6,580,212 km (0.084 R)
• M13: 10,656,604 km (0.103 R)
• M14: 11,126,790 km (0.059 R)
• M15: 11,367,045 km (0.103 R)
• M16: 12,362,768 km (0.117 R)
• M17: 13,347,870 km (0.118 R)
• M18: 17,327,473 km (0.092 R)
• M19: 23,869,687 km (0.117 R)
• M20: 29,419,468 km (0.113 R)
• M21: 32,005,567 km (0.118 R)
• M22: 35,381,542 km (0.053 R)
• M23: 38,030,023 km (0.1 R)
• M24: 38,438,275 km (0.087 R)
• M25: 40,523,969 km (0.056 R)
• M26: 45,070,846 km (0.078 R)
• M27: 45,222,988 km (0.062 R)
• M28: 48,655,959 km (0.092 R)
• M29: 49,459,749 km (0.118 R)
• M30: 52,091,175 km (0.068 R)
• M31: 54,124,958 km (0.102 R)
• M32: 57,631,233 km (0.104 R)
• M33: 57,989,969 km (0.062 R)
• M34: 59,805,938 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.6

Radius: 7.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 8.51 AU - 11.13 AU

Year: 21241 Days

Day: 20.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 92.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,406,514 km

• M1: 98,585 km (0.11 R)
• M2: 942,467 km (0.117 R)
• M3: 1,193,941 km (0.064 R)
• M4: 1,456,485 km (0.107 R)
• M5: 1,999,824 km (0.044 R)
• M6: 3,301,176 km (0.106 R)
• M7: 3,672,927 km (0.108 R)
• M8: 4,235,116 km (0.083 R)
• M9: 6,517,979 km (0.088 R)
• M10: 8,683,558 km (0.044 R)
• M11: 11,060,818 km (0.109 R)
• M12: 14,480,027 km (0.055 R)
• M13: 21,148,501 km (0.12 R)
• M14: 22,647,023 km (0.105 R)
• M15: 24,986,435 km (0.111 R)
• M16: 25,378,381 km (0.05 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: 250 - 15,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit