🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

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: 407.1

Radius: 12.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,727,378 km

• M1: 156,629 km (0.098 R)
• M2: 549,323 km (0.11 R)
• M3: 1,055,413 km (0.1 R)
• M4: 1,576,014 km (0.102 R)
• M5: 2,011,493 km (0.061 R)
• M6: 2,422,588 km (0.089 R)
• M7: 2,863,303 km (0.09 R)
• M8: 3,711,523 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 9.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.83 AU - 2.13 AU

Year: 1890 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,727,378 km

• M1: 120,127 km (0.072 R)
• M2: 431,889 km (0.119 R)
• M3: 1,003,054 km (0.113 R)
• M4: 1,804,599 km (0.094 R)
• M5: 2,577,272 km (0.108 R)
• M6: 3,109,691 km (0.107 R)
• M7: 3,590,498 km (0.056 R)
• M8: 4,006,680 km (0.119 R)
• M9: 4,764,842 km (0.085 R)
• M10: 5,382,531 km (0.114 R)
• M11: 6,643,791 km (0.099 R)
• M12: 7,105,151 km (0.065 R)
• M13: 8,777,655 km (0.098 R)
• M14: 9,705,760 km (0.113 R)
• M15: 11,256,641 km (0.053 R)
• M16: 11,639,762 km (0.059 R)
• M17: 12,110,995 km (0.101 R)
• M18: 12,472,722 km (0.077 R)
• M19: 13,861,140 km (0.063 R)
• M20: 14,257,126 km (0.086 R)
• M21: 14,570,234 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 10.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.77 AU - 2.47 AU

Year: 2094 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,727,378 km

• M1: 129,402 km (0.099 R)
• M2: 456,872 km (0.074 R)
• M3: 1,002,605 km (0.119 R)
• M4: 1,373,757 km (0.113 R)
• M5: 1,944,324 km (0.05 R)
• M6: 2,507,111 km (0.113 R)
• M7: 2,863,154 km (0.104 R)
• M8: 4,196,819 km (0.082 R)
• M9: 5,650,162 km (0.074 R)
• M10: 6,366,287 km (0.096 R)
• M11: 7,524,773 km (0.119 R)
• M12: 9,259,659 km (0.106 R)
• M13: 9,649,511 km (0.07 R)
• M14: 10,220,527 km (0.085 R)
• M15: 10,921,093 km (0.075 R)
• M16: 11,766,022 km (0.056 R)
• M17: 13,836,157 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 14.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.71 AU - 5.55 AU

Year: 7881 Days

Day: 9.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,727,378 km

• M1: 175,329 km (0.116 R)
• M2: 632,051 km (0.102 R)
• M3: 1,674,150 km (0.107 R)
• M4: 2,168,571 km (0.114 R)
• M5: 2,642,198 km (0.102 R)
• M6: 3,185,537 km (0.07 R)
• M7: 3,728,129 km (0.107 R)
• M8: 4,277,153 km (0.08 R)
• M9: 4,849,963 km (0.104 R)
• M10: 6,257,230 km (0.096 R)
• M11: 8,655,733 km (0.12 R)
• M12: 12,677,073 km (0.112 R)
• M13: 14,111,418 km (0.107 R)
• M14: 16,669,242 km (0.093 R)
• M15: 25,898,234 km (0.116 R)
• M16: 28,997,303 km (0.08 R)
• M17: 34,322,389 km (0.114 R)
• M18: 35,575,720 km (0.115 R)
• M19: 43,348,526 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 14.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.06 AU - 6.6 AU

Year: 8346 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,727,378 km

• M1: 184,753 km (0.096 R)
• M2: 681,568 km (0.102 R)
• M3: 1,235,529 km (0.084 R)
• M4: 1,740,870 km (0.115 R)
• M5: 2,244,866 km (0.114 R)
• M6: 2,826,502 km (0.111 R)
• M7: 4,867,915 km (0.098 R)
• M8: 5,953,995 km (0.062 R)
• M9: 7,274,196 km (0.104 R)
• M10: 8,736,964 km (0.099 R)
• M11: 9,800,157 km (0.095 R)
• M12: 11,208,770 km (0.101 R)
• M13: 11,797,737 km (0.108 R)
• M14: 12,863,921 km (0.088 R)
• M15: 13,629,563 km (0.059 R)
• M16: 17,351,558 km (0.105 R)
• M17: 24,175,166 km (0.078 R)
• M18: 25,985,599 km (0.114 R)
• M19: 28,669,983 km (0.078 R)
• M20: 29,875,144 km (0.102 R)
• M21: 32,386,593 km (0.114 R)
• M22: 33,804,182 km (0.088 R)
• M23: 36,413,169 km (0.081 R)
• M24: 37,826,270 km (0.063 R)
• M25: 41,392,085 km (0.116 R)
• M26: 43,846,388 km (0.118 R)
• M27: 44,508,059 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428

Radius: 5.4

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.31 AU - 7.87 AU

Year: 14183 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,727,378 km

• M1: 84,074 km (0.098 R)
• M2: 2,924,339 km (0.091 R)
• M3: 3,679,958 km (0.07 R)
• M4: 3,922,007 km (0.048 R)
• M5: 4,806,131 km (0.053 R)
• M6: 6,034,030 km (0.068 R)
• M7: 7,933,624 km (0.117 R)
• M8: 8,156,674 km (0.119 R)
• M9: 8,338,137 km (0.087 R)
• M10: 8,946,551 km (0.114 R)
• M11: 11,393,972 km (0.074 R)
• M12: 14,254,284 km (0.081 R)
• M13: 18,323,495 km (0.107 R)
• M14: 21,514,418 km (0.1 R)
• M15: 22,834,320 km (0.058 R)
• M16: 23,928,479 km (0.092 R)
• M17: 24,771,612 km (0.111 R)
• M18: 27,521,520 km (0.119 R)
• M19: 30,034,914 km (0.108 R)
• M20: 30,468,150 km (0.094 R)
• M21: 37,602,023 km (0.086 R)
• M22: 42,158,924 km (0.038 R)
• M23: 51,417,985 km (0.079 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 11,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit