🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 12.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.98 AU - 1.06 AU

Year: 687 Days

Day: 10.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,737,995 km

• M1: 154,235 km (0.106 R)
• M2: 576,550 km (0.084 R)
• M3: 1,008,589 km (0.064 R)
• M4: 1,532,331 km (0.078 R)
• M5: 1,991,148 km (0.08 R)
• M6: 2,480,333 km (0.049 R)
• M7: 3,677,864 km (0.037 R)
• M8: 4,197,118 km (0.03 R)
• M9: 4,622,425 km (0.09 R)
• M10: 5,366,674 km (0.089 R)
• M11: 5,905,974 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.86 AU - 1.98 AU

Year: 1774 Days

Day: 6.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,737,995 km

• M1: 169,195 km (0.115 R)
• M2: 741,856 km (0.091 R)
• M3: 1,166,415 km (0.079 R)
• M4: 1,600,099 km (0.086 R)
• M5: 2,317,869 km (0.114 R)
• M6: 3,067,804 km (0.087 R)
• M7: 3,613,237 km (0.118 R)
• M8: 5,031,575 km (0.074 R)
• M9: 6,090,279 km (0.093 R)
• M10: 6,527,105 km (0.104 R)
• M11: 7,551,102 km (0.108 R)
• M12: 8,552,361 km (0.092 R)
• M13: 9,003,099 km (0.119 R)
• M14: 10,451,506 km (0.049 R)
• M15: 11,773,203 km (0.089 R)
• M16: 12,291,410 km (0.078 R)
• M17: 13,245,844 km (0.08 R)
• M18: 14,115,457 km (0.063 R)
• M19: 14,700,833 km (0.063 R)
• M20: 15,162,193 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 9.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.8 AU - 2.3 AU

Year: 1957 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,737,995 km

• M1: 113,395 km (0.051 R)
• M2: 411,843 km (0.044 R)
• M3: 718,070 km (0.082 R)
• M4: 1,006,794 km (0.105 R)
• M5: 1,563,447 km (0.085 R)
• M6: 2,549,148 km (0.09 R)
• M7: 3,176,412 km (0.086 R)
• M8: 3,483,386 km (0.106 R)
• M9: 3,794,999 km (0.067 R)
• M10: 4,474,622 km (0.081 R)
• M11: 5,176,236 km (0.092 R)
• M12: 5,523,901 km (0.068 R)
• M13: 8,025,178 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 9.8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.52 AU - 2.7 AU

Year: 2812 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,737,995 km

• M1: 121,922 km (0.065 R)
• M2: 700,417 km (0.101 R)
• M3: 1,061,247 km (0.09 R)
• M4: 2,505,316 km (0.074 R)
• M5: 3,513,156 km (0.096 R)
• M6: 4,275,956 km (0.037 R)
• M7: 4,644,116 km (0.095 R)
• M8: 5,282,002 km (0.096 R)
• M9: 6,840,961 km (0.089 R)
• M10: 7,726,281 km (0.072 R)
• M11: 8,462,752 km (0.114 R)
• M12: 11,764,077 km (0.101 R)
• M13: 13,634,051 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.7

Radius: 11.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.91 AU - 5.63 AU

Year: 6947 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,737,995 km

• M1: 143,464 km (0.109 R)
• M2: 590,313 km (0.055 R)
• M3: 1,088,923 km (0.082 R)
• M4: 1,479,373 km (0.116 R)
• M5: 3,354,134 km (0.08 R)
• M6: 3,987,980 km (0.11 R)
• M7: 4,676,729 km (0.047 R)
• M8: 5,339,896 km (0.115 R)
• M9: 5,816,066 km (0.115 R)
• M10: 7,007,314 km (0.052 R)
• M11: 8,530,220 km (0.039 R)
• M12: 9,674,046 km (0.051 R)
• M13: 12,040,235 km (0.112 R)
• M14: 13,719,621 km (0.055 R)
• M15: 17,595,851 km (0.064 R)
• M16: 19,504,720 km (0.117 R)
• M17: 21,089,261 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.8

Radius: 13.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.03 AU - 5.61 AU

Year: 7057 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,737,995 km

• M1: 282,890 km (0.04 R)
• M2: 1,281,455 km (0.106 R)
• M3: 2,132,518 km (0.117 R)
• M4: 2,907,135 km (0.039 R)
• M5: 4,678,973 km (0.118 R)
• M6: 6,018,023 km (0.099 R)
• M7: 7,565,763 km (0.113 R)
• M8: 9,671,203 km (0.102 R)
• M9: 10,263,461 km (0.028 R)
• M10: 11,521,130 km (0.101 R)
• M11: 11,962,444 km (0.12 R)
• M12: 13,020,400 km (0.095 R)
• M13: 17,019,451 km (0.073 R)
• M14: 20,654,679 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.4

Radius: 6

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.55 AU - 5.95 AU

Year: 9195 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 177.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,737,995 km

• M1: 84,972 km (0.104 R)
• M2: 295,905 km (0.109 R)
• M3: 546,032 km (0.093 R)
• M4: 756,516 km (0.109 R)
• M5: 1,134,401 km (0.113 R)
• M6: 1,714,541 km (0.117 R)
• M7: 2,720,736 km (0.082 R)
• M8: 3,066,457 km (0.098 R)
• M9: 3,771,811 km (0.049 R)
• M10: 4,149,546 km (0.096 R)
• M11: 4,388,154 km (0.107 R)
• M12: 5,281,104 km (0.052 R)
• M13: 7,536,292 km (0.086 R)
• M14: 7,812,150 km (0.055 R)
• M15: 9,115,597 km (0.103 R)
• M16: 11,932,225 km (0.109 R)
• M17: 14,541,960 km (0.086 R)
• M18: 14,785,506 km (0.089 R)
• M19: 15,406,038 km (0.109 R)
• M20: 15,595,578 km (0.116 R)
• M21: 16,108,699 km (0.104 R)
• M22: 17,508,935 km (0.078 R)
• M23: 19,573,385 km (0.075 R)
• M24: 21,400,275 km (0.095 R)
• M25: 22,355,008 km (0.118 R)
• M26: 24,178,606 km (0.058 R)
• M27: 28,024,917 km (0.117 R)
• M28: 29,457,167 km (0.089 R)
• M29: 29,945,155 km (0.095 R)
• M30: 32,054,186 km (0.076 R)
• M31: 32,570,448 km (0.066 R)
• M32: 33,513,813 km (0.079 R)
• M33: 36,902,653 km (0.096 R)
• M34: 38,621,682 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.9

Radius: 6.9

Gravity: 19.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.49 AU - 7.23 AU

Year: 9460 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,737,995 km

• M1: 85,869 km (0.076 R)
• M2: 305,180 km (0.118 R)
• M3: 522,246 km (0.119 R)
• M4: 785,987 km (0.11 R)
• M5: 1,233,883 km (0.043 R)
• M6: 1,580,202 km (0.058 R)
• M7: 1,856,958 km (0.107 R)
• M8: 2,112,023 km (0.06 R)
• M9: 3,183,891 km (0.06 R)
• M10: 3,892,387 km (0.104 R)
• M11: 4,519,352 km (0.058 R)
• M12: 5,244,602 km (0.119 R)
• M13: 6,964,230 km (0.08 R)
• M14: 8,375,985 km (0.103 R)
• M15: 8,838,990 km (0.077 R)
• M16: 9,866,728 km (0.094 R)
• M17: 10,809,344 km (0.032 R)
• M18: 12,216,162 km (0.119 R)
• M19: 13,740,864 km (0.099 R)
• M20: 13,996,227 km (0.089 R)
• M21: 17,385,217 km (0.098 R)
• M22: 20,861,872 km (0.077 R)
• M23: 26,019,707 km (0.039 R)
• M24: 28,218,646 km (0.088 R)
• M25: 28,943,448 km (0.096 R)
• M26: 32,528,711 km (0.114 R)
• M27: 33,325,469 km (0.096 R)
• M28: 34,252,078 km (0.062 R)
• M29: 50,132,640 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 13,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit