🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443

Radius: 9.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.86 AU

Year: 388 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,009,085 km

• M1: 116,836 km (0.11 R)
• M2: 420,370 km (0.105 R)
• M3: 784,192 km (0.077 R)
• M4: 1,123,630 km (0.083 R)
• M5: 1,562,251 km (0.111 R)
• M6: 1,913,506 km (0.111 R)
• M7: 2,250,550 km (0.085 R)
• M8: 3,046,112 km (0.107 R)
• M9: 3,397,218 km (0.096 R)
• M10: 3,847,059 km (0.104 R)
• M11: 4,401,917 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 10.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.47 AU - 1.49 AU

Year: 1145 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,009,085 km

• M1: 135,685 km (0.086 R)
• M2: 522,097 km (0.057 R)
• M3: 1,092,812 km (0.12 R)
• M4: 1,452,296 km (0.085 R)
• M5: 2,139,250 km (0.085 R)
• M6: 2,588,642 km (0.048 R)
• M7: 3,228,023 km (0.029 R)
• M8: 4,561,389 km (0.044 R)
• M9: 5,964,766 km (0.111 R)
• M10: 9,038,853 km (0.047 R)
• M11: 10,998,286 km (0.096 R)
• M12: 11,469,519 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 14

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.04 AU - 2.28 AU

Year: 2018 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,009,085 km

• M1: 174,132 km (0.028 R)
• M2: 741,108 km (0.1 R)
• M3: 1,816,567 km (0.106 R)
• M4: 4,710,538 km (0.115 R)
• M5: 5,538,263 km (0.115 R)
• M6: 5,999,922 km (0.103 R)
• M7: 6,808,648 km (0.079 R)
• M8: 7,483,783 km (0.109 R)
• M9: 8,296,399 km (0.109 R)
• M10: 10,641,645 km (0.096 R)
• M11: 12,067,312 km (0.049 R)
• M12: 13,616,697 km (0.044 R)
• M13: 14,598,807 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 12.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.82 AU - 2.62 AU

Year: 2103 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,009,085 km

• M1: 154,235 km (0.115 R)
• M2: 737,218 km (0.049 R)
• M3: 1,603,540 km (0.093 R)
• M4: 2,411,218 km (0.102 R)
• M5: 3,152,925 km (0.117 R)
• M6: 5,426,663 km (0.05 R)
• M7: 8,053,302 km (0.111 R)
• M8: 8,989,785 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 8.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.55 AU - 7.47 AU

Year: 9368 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,009,085 km

• M1: 168,447 km (0.102 R)
• M2: 574,456 km (0.1 R)
• M3: 916,736 km (0.116 R)
• M4: 1,405,622 km (0.102 R)
• M5: 1,914,254 km (0.042 R)
• M6: 2,307,398 km (0.066 R)
• M7: 4,598,639 km (0.063 R)
• M8: 5,777,919 km (0.116 R)
• M9: 6,308,393 km (0.1 R)
• M10: 8,922,615 km (0.086 R)
• M11: 9,847,130 km (0.087 R)
• M12: 10,880,552 km (0.076 R)
• M13: 11,399,657 km (0.037 R)
• M14: 11,738,496 km (0.107 R)
• M15: 18,913,509 km (0.11 R)
• M16: 28,206,080 km (0.096 R)
• M17: 29,911,496 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.2

Radius: 3.2

Gravity: 82.93 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.45 AU - 11.39 AU

Year: 19866 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 76,009,085 km

• M1: 39,793 km (0.06 R)
• M2: 157,078 km (0.051 R)
• M3: 303,384 km (0.069 R)
• M4: 468,241 km (0.076 R)
• M5: 624,422 km (0.108 R)
• M6: 825,780 km (0.088 R)
• M7: 1,787,246 km (0.11 R)
• M8: 1,902,885 km (0.045 R)
• M9: 2,235,740 km (0.074 R)
• M10: 2,416,155 km (0.108 R)
• M11: 3,097,574 km (0.093 R)
• M12: 3,709,279 km (0.083 R)
• M13: 4,226,738 km (0.041 R)
• M14: 4,864,324 km (0.073 R)
• M15: 6,416,402 km (0.119 R)
• M16: 6,920,846 km (0.068 R)
• M17: 8,270,219 km (0.115 R)
• M18: 8,866,815 km (0.075 R)
• M19: 9,376,047 km (0.078 R)
• M20: 15,022,768 km (0.051 R)
• M21: 19,517,436 km (0.115 R)
• M22: 20,279,936 km (0.119 R)
• M23: 22,999,775 km (0.117 R)
• M24: 24,501,438 km (0.101 R)
• M25: 27,698,195 km (0.103 R)
• M26: 30,018,907 km (0.111 R)
• M27: 30,144,569 km (0.117 R)
• M28: 30,396,791 km (0.049 R)
• M29: 35,883,742 km (0.109 R)
• M30: 36,309,348 km (0.05 R)
• M31: 39,684,575 km (0.1 R)
• M32: 41,370,244 km (0.104 R)
• M33: 47,389,913 km (0.092 R)
• M34: 47,730,996 km (0.067 R)
• M35: 48,417,949 km (0.093 R)
• M36: 55,088,219 km (0.087 R)
• M37: 62,754,512 km (0.112 R)
• M38: 68,458,828 km (0.114 R)
• M39: 72,900,389 km (0.077 R)
• M40: 75,888,008 km (0.076 R)
• M41: 78,478,744 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.8

Radius: 3.9

Gravity: 33.65 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 9.43 AU - 12.51 AU

Year: 23102 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,009,085 km

• M1: 61,784 km (0.054 R)
• M2: 223,200 km (0.048 R)
• M3: 732,132 km (0.107 R)
• M4: 1,399,039 km (0.045 R)
• M5: 1,628,223 km (0.118 R)
• M6: 2,224,969 km (0.111 R)
• M7: 2,560,966 km (0.115 R)
• M8: 4,873,599 km (0.118 R)
• M9: 5,360,840 km (0.066 R)
• M10: 5,517,020 km (0.097 R)
• M11: 7,016,589 km (0.043 R)
• M12: 7,587,754 km (0.11 R)
• M13: 7,985,385 km (0.044 R)
• M14: 8,240,898 km (0.119 R)
• M15: 9,889,466 km (0.109 R)
• M16: 11,550,452 km (0.1 R)
• M17: 13,317,053 km (0.106 R)
• M18: 14,946,174 km (0.087 R)
• M19: 15,334,081 km (0.118 R)
• M20: 16,374,085 km (0.118 R)
• M21: 21,199,365 km (0.099 R)
• M22: 22,792,432 km (0.034 R)
• M23: 28,400,707 km (0.068 R)
• M24: 30,704,963 km (0.069 R)
• M25: 32,351,437 km (0.057 R)
• M26: 34,862,288 km (0.106 R)
• M27: 35,544,005 km (0.097 R)
• M28: 36,095,722 km (0.078 R)
• M29: 40,267,708 km (0.114 R)
• M30: 41,625,009 km (0.068 R)
• M31: 45,392,931 km (0.039 R)
• M32: 46,042,335 km (0.049 R)
• M33: 46,533,315 km (0.089 R)
• M34: 48,027,349 km (0.113 R)
• M35: 52,167,321 km (0.107 R)
• M36: 54,505,984 km (0.072 R)
• M37: 56,913,612 km (0.11 R)
• M38: 57,479,092 km (0.082 R)
• M39: 58,813,206 km (0.119 R)
• M40: 76,009,033 km (0.117 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: 366 - 16,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit