🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.2

Radius: 10.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 12.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,743,606 km

• M1: 135,536 km (0.109 R)
• M2: 513,270 km (0.093 R)
• M3: 879,486 km (0.102 R)
• M4: 1,370,167 km (0.07 R)
• M5: 1,942,528 km (0.084 R)
• M6: 2,377,409 km (0.109 R)
• M7: 2,906,238 km (0.061 R)
• M8: 3,369,393 km (0.084 R)
• M9: 3,775,102 km (0.108 R)
• M10: 4,264,138 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.8

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,743,606 km

• M1: 160,369 km (0.117 R)
• M2: 600,935 km (0.063 R)
• M3: 1,002,007 km (0.116 R)
• M4: 1,455,886 km (0.042 R)
• M5: 1,869,973 km (0.102 R)
• M6: 2,600,909 km (0.084 R)
• M7: 3,019,783 km (0.106 R)
• M8: 3,567,610 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.6

Radius: 12.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.59 AU - 0.85 AU

Year: 414 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,743,606 km

• M1: 162,463 km (0.051 R)
• M2: 655,388 km (0.113 R)
• M3: 1,154,447 km (0.117 R)
• M4: 1,646,325 km (0.087 R)
• M5: 2,269,549 km (0.115 R)
• M6: 3,111,037 km (0.082 R)
• M7: 4,045,276 km (0.052 R)
• M8: 4,507,533 km (0.071 R)
• M9: 5,267,341 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.7

Radius: 12.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.87 AU - 0.95 AU

Year: 589 Days

Day: 9.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,743,606 km

• M1: 150,495 km (0.076 R)
• M2: 682,316 km (0.063 R)
• M3: 1,116,748 km (0.101 R)
• M4: 1,670,260 km (0.111 R)
• M5: 2,560,966 km (0.071 R)
• M6: 3,060,324 km (0.104 R)
• M7: 3,495,653 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.3

Radius: 14.2

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.35 AU - 3.23 AU

Year: 3161 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,743,606 km

• M1: 177,423 km (0.095 R)
• M2: 903,122 km (0.091 R)
• M3: 2,709,068 km (0.046 R)
• M4: 3,230,716 km (0.11 R)
• M5: 4,562,885 km (0.12 R)
• M6: 7,936,616 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 9.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.37 AU - 5.69 AU

Year: 8820 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,743,606 km

• M1: 120,576 km (0.083 R)
• M2: 602,879 km (0.112 R)
• M3: 1,889,272 km (0.071 R)
• M4: 2,305,154 km (0.087 R)
• M5: 2,656,409 km (0.095 R)
• M6: 2,985,973 km (0.065 R)
• M7: 4,072,204 km (0.072 R)
• M8: 4,437,073 km (0.09 R)
• M9: 6,800,270 km (0.114 R)
• M10: 8,005,730 km (0.029 R)
• M11: 9,942,274 km (0.053 R)
• M12: 11,730,867 km (0.059 R)
• M13: 17,916,439 km (0.101 R)
• M14: 18,900,045 km (0.098 R)
• M15: 20,127,346 km (0.076 R)
• M16: 20,618,775 km (0.088 R)
• M17: 21,262,196 km (0.083 R)
• M18: 21,771,876 km (0.101 R)
• M19: 23,504,219 km (0.101 R)
• M20: 30,154,144 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792

Radius: 7.2

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.83 AU - 7.21 AU

Year: 10018 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,743,606 km

• M1: 89,609 km (0.114 R)
• M2: 345,421 km (0.117 R)
• M3: 1,721,722 km (0.059 R)
• M4: 2,494,544 km (0.109 R)
• M5: 2,762,325 km (0.091 R)
• M6: 3,331,694 km (0.103 R)
• M7: 3,976,611 km (0.118 R)
• M8: 5,210,494 km (0.089 R)
• M9: 7,365,302 km (0.107 R)
• M10: 8,139,471 km (0.092 R)
• M11: 8,592,602 km (0.109 R)
• M12: 9,254,872 km (0.05 R)
• M13: 9,598,499 km (0.076 R)
• M14: 10,521,368 km (0.089 R)
• M15: 11,614,779 km (0.071 R)
• M16: 12,247,428 km (0.061 R)
• M17: 13,146,960 km (0.093 R)
• M18: 14,742,870 km (0.114 R)
• M19: 18,161,481 km (0.115 R)
• M20: 18,622,841 km (0.066 R)
• M21: 19,170,967 km (0.117 R)
• M22: 21,900,979 km (0.053 R)
• M23: 26,711,597 km (0.032 R)
• M24: 34,004,793 km (0.112 R)
• M25: 34,941,425 km (0.098 R)
• M26: 36,866,002 km (0.092 R)
• M27: 40,532,645 km (0.095 R)
• M28: 44,158,449 km (0.029 R)
• M29: 45,132,481 km (0.026 R)
• M30: 46,979,566 km (0.106 R)
• M31: 47,557,761 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.1

Radius: 7.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.54 AU - 7.42 AU

Year: 12508 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,743,606 km

• M1: 97,538 km (0.118 R)
• M2: 392,096 km (0.077 R)
• M3: 1,223,262 km (0.069 R)
• M4: 1,885,532 km (0.072 R)
• M5: 3,421,902 km (0.118 R)
• M6: 4,369,006 km (0.109 R)
• M7: 5,771,187 km (0.106 R)
• M8: 7,990,471 km (0.089 R)
• M9: 9,893,506 km (0.057 R)
• M10: 10,456,891 km (0.092 R)
• M11: 11,600,268 km (0.111 R)
• M12: 13,599,494 km (0.086 R)
• M13: 16,528,171 km (0.12 R)
• M14: 18,982,623 km (0.083 R)
• M15: 19,581,763 km (0.09 R)
• M16: 20,056,437 km (0.111 R)
• M17: 23,142,342 km (0.118 R)
• M18: 24,056,983 km (0.046 R)
• M19: 28,128,439 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.4

Radius: 8

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.57 AU - 9.71 AU

Year: 20301 Days

Day: 15.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,743,606 km

• M1: 100,081 km (0.079 R)
• M2: 459,565 km (0.061 R)
• M3: 723,754 km (0.118 R)
• M4: 1,079,947 km (0.097 R)
• M5: 1,534,425 km (0.066 R)
• M6: 2,153,162 km (0.116 R)
• M7: 2,700,242 km (0.112 R)
• M8: 3,087,251 km (0.089 R)
• M9: 3,510,763 km (0.089 R)
• M10: 4,234,966 km (0.105 R)
• M11: 4,979,814 km (0.091 R)
• M12: 5,934,847 km (0.067 R)
• M13: 11,251,405 km (0.041 R)
• M14: 11,846,207 km (0.052 R)
• M15: 12,461,951 km (0.059 R)
• M16: 13,535,316 km (0.098 R)
• M17: 17,911,503 km (0.108 R)
• M18: 19,090,633 km (0.09 R)
• M19: 30,827,633 km (0.111 R)
• M20: 39,142,732 km (0.054 R)
• M21: 42,215,622 km (0.113 R)
• M22: 49,710,176 km (0.079 R)
• M23: 55,927,613 km (0.046 R)
• M24: 56,499,825 km (0.061 R)
• M25: 57,462,337 km (0.087 R)
• M26: 64,507,649 km (0.09 R)
• M27: 65,982,534 km (0.026 R)
• M28: 67,695,580 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 19,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit