🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.3

Radius: 8.9

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,848,854 km

• M1: 110,702 km (0.103 R)
• M2: 475,123 km (0.102 R)
• M3: 774,468 km (0.11 R)
• M4: 1,156,840 km (0.08 R)
• M5: 1,670,410 km (0.071 R)
• M6: 2,170,366 km (0.099 R)
• M7: 2,541,668 km (0.069 R)
• M8: 2,955,156 km (0.112 R)
• M9: 3,491,913 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 11.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 7.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,848,854 km

• M1: 139,276 km (0.1 R)
• M2: 504,743 km (0.119 R)
• M3: 1,087,128 km (0.098 R)
• M4: 1,453,493 km (0.12 R)
• M5: 2,177,995 km (0.063 R)
• M6: 2,799,724 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640

Radius: 13.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.59 AU - 0.71 AU

Year: 362 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,848,854 km

• M1: 170,542 km (0.099 R)
• M2: 746,194 km (0.103 R)
• M3: 1,421,180 km (0.117 R)
• M4: 1,848,132 km (0.106 R)
• M5: 2,406,132 km (0.081 R)
• M6: 2,852,682 km (0.111 R)
• M7: 3,399,612 km (0.112 R)
• M8: 4,272,665 km (0.053 R)
• M9: 4,862,529 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 9.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.97 AU - 1.07 AU

Year: 711 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,848,854 km

• M1: 113,246 km (0.085 R)
• M2: 498,610 km (0.08 R)
• M3: 841,338 km (0.103 R)
• M4: 1,349,223 km (0.102 R)
• M5: 1,841,699 km (0.063 R)
• M6: 2,424,832 km (0.109 R)
• M7: 2,900,703 km (0.087 R)
• M8: 3,862,767 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 14

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.31 AU - 1.33 AU

Year: 1047 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,848,854 km

• M1: 175,329 km (0.091 R)
• M2: 626,665 km (0.107 R)
• M3: 1,768,247 km (0.081 R)
• M4: 2,273,140 km (0.084 R)
• M5: 2,773,545 km (0.116 R)
• M6: 4,231,675 km (0.063 R)
• M7: 5,383,878 km (0.093 R)
• M8: 5,832,522 km (0.096 R)
• M9: 7,331,492 km (0.101 R)
• M10: 8,277,250 km (0.12 R)
• M11: 9,861,641 km (0.119 R)
• M12: 10,411,713 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.4

Radius: 4.2

Gravity: 39.76 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.8 AU - 7.28 AU

Year: 11545 Days

Day: 22.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,848,854 km

• M1: 53,107 km (0.103 R)
• M2: 188,793 km (0.041 R)
• M3: 724,054 km (0.078 R)
• M4: 902,225 km (0.05 R)
• M5: 1,132,905 km (0.119 R)
• M6: 1,281,755 km (0.097 R)
• M7: 1,500,766 km (0.077 R)
• M8: 2,085,095 km (0.038 R)
• M9: 2,368,733 km (0.074 R)
• M10: 2,875,720 km (0.113 R)
• M11: 3,426,090 km (0.056 R)
• M12: 3,633,134 km (0.11 R)
• M13: 3,959,407 km (0.094 R)
• M14: 4,158,522 km (0.089 R)
• M15: 5,889,668 km (0.099 R)
• M16: 7,650,585 km (0.11 R)
• M17: 7,870,643 km (0.118 R)
• M18: 9,380,086 km (0.067 R)
• M19: 10,202,724 km (0.098 R)
• M20: 10,795,431 km (0.104 R)
• M21: 18,270,687 km (0.115 R)
• M22: 18,584,843 km (0.095 R)
• M23: 18,822,703 km (0.082 R)
• M24: 20,545,472 km (0.118 R)
• M25: 26,539,410 km (0.091 R)
• M26: 27,247,158 km (0.107 R)
• M27: 27,451,508 km (0.074 R)
• M28: 27,760,129 km (0.038 R)
• M29: 45,735,659 km (0.099 R)
• M30: 47,044,940 km (0.078 R)
• M31: 48,829,343 km (0.054 R)
• M32: 52,216,838 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.2

Radius: 4.4

Gravity: 23.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7 AU - 11.36 AU

Year: 19199 Days

Day: 15.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,848,854 km

• M1: 55,950 km (0.085 R)
• M2: 210,634 km (0.047 R)
• M3: 573,109 km (0.106 R)
• M4: 884,871 km (0.071 R)
• M5: 1,193,492 km (0.084 R)
• M6: 1,634,955 km (0.106 R)
• M7: 2,785,363 km (0.075 R)
• M8: 2,978,045 km (0.119 R)
• M9: 3,128,391 km (0.114 R)
• M10: 3,336,781 km (0.029 R)
• M11: 4,232,722 km (0.095 R)
• M12: 5,764,455 km (0.063 R)
• M13: 5,919,737 km (0.12 R)
• M14: 6,738,935 km (0.097 R)
• M15: 7,538,536 km (0.095 R)
• M16: 8,700,313 km (0.116 R)
• M17: 9,217,922 km (0.072 R)
• M18: 10,659,447 km (0.102 R)
• M19: 12,117,428 km (0.098 R)
• M20: 13,093,254 km (0.067 R)
• M21: 13,294,464 km (0.109 R)
• M22: 14,050,232 km (0.098 R)
• M23: 20,338,279 km (0.104 R)
• M24: 25,157,276 km (0.119 R)
• M25: 26,204,610 km (0.109 R)
• M26: 28,610,144 km (0.104 R)
• M27: 28,835,887 km (0.118 R)
• M28: 37,103,114 km (0.077 R)
• M29: 42,869,215 km (0.074 R)
• M30: 43,461,772 km (0.062 R)
• M31: 44,663,192 km (0.067 R)
• M32: 49,366,250 km (0.095 R)
• M33: 51,004,347 km (0.107 R)
• M34: 54,215,914 km (0.082 R)
• M35: 56,666,776 km (0.11 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: 516 - 14,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit