🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 10

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 7.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,880,894 km

• M1: 125,363 km (0.097 R)
• M2: 451,187 km (0.097 R)
• M3: 793,617 km (0.102 R)
• M4: 1,605,484 km (0.061 R)
• M5: 2,137,903 km (0.06 R)
• M6: 2,454,901 km (0.097 R)
• M7: 3,104,156 km (0.071 R)
• M8: 4,102,572 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.9

Radius: 9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.77 AU - 0.91 AU

Year: 531 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,880,894 km

• M1: 116,387 km (0.076 R)
• M2: 530,923 km (0.085 R)
• M3: 847,322 km (0.115 R)
• M4: 1,402,929 km (0.111 R)
• M5: 1,752,689 km (0.086 R)
• M6: 2,792,843 km (0.115 R)
• M7: 3,254,202 km (0.117 R)
• M8: 4,009,522 km (0.099 R)
• M9: 4,290,317 km (0.027 R)
• M10: 4,806,430 km (0.08 R)

Asteroid Belt

Center: 1.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 9.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.49 AU - 1.97 AU

Year: 1571 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,880,894 km

• M1: 115,789 km (0.044 R)
• M2: 407,953 km (0.112 R)
• M3: 712,535 km (0.111 R)
• M4: 1,148,612 km (0.113 R)
• M5: 2,153,162 km (0.088 R)
• M6: 2,594,625 km (0.112 R)
• M7: 3,322,718 km (0.079 R)
• M8: 3,777,047 km (0.091 R)
• M9: 4,162,710 km (0.086 R)
• M10: 5,138,088 km (0.106 R)
• M11: 5,546,341 km (0.078 R)
• M12: 6,550,592 km (0.099 R)
• M13: 7,109,040 km (0.06 R)
• M14: 8,148,297 km (0.119 R)
• M15: 9,130,257 km (0.043 R)
• M16: 10,322,851 km (0.098 R)
• M17: 10,869,632 km (0.097 R)
• M18: 11,616,275 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 8.4

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.28 AU - 2.44 AU

Year: 2503 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,880,894 km

• M1: 105,167 km (0.114 R)
• M2: 659,278 km (0.047 R)
• M3: 1,057,059 km (0.1 R)
• M4: 1,505,852 km (0.057 R)
• M5: 2,275,084 km (0.078 R)
• M6: 3,426,390 km (0.032 R)
• M7: 4,181,410 km (0.1 R)
• M8: 5,553,522 km (0.083 R)
• M9: 6,178,691 km (0.085 R)
• M10: 7,113,828 km (0.053 R)
• M11: 9,405,218 km (0.035 R)
• M12: 10,445,971 km (0.093 R)
• M13: 15,185,081 km (0.093 R)
• M14: 17,360,982 km (0.101 R)
• M15: 18,130,215 km (0.093 R)
• M16: 18,579,906 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.5

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.44 AU - 4.58 AU

Year: 5543 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,880,894 km

• M1: 182,809 km (0.114 R)
• M2: 674,088 km (0.113 R)
• M3: 1,456,934 km (0.114 R)
• M4: 2,327,892 km (0.098 R)
• M5: 3,080,071 km (0.031 R)
• M6: 4,903,818 km (0.066 R)
• M7: 6,412,513 km (0.11 R)
• M8: 8,617,885 km (0.033 R)
• M9: 11,389,933 km (0.03 R)
• M10: 11,946,886 km (0.079 R)
• M11: 12,468,833 km (0.112 R)
• M12: 13,391,253 km (0.067 R)
• M13: 15,927,984 km (0.054 R)
• M14: 17,079,738 km (0.042 R)
• M15: 18,217,729 km (0.111 R)
• M16: 19,405,686 km (0.055 R)
• M17: 20,128,244 km (0.075 R)
• M18: 24,847,010 km (0.103 R)
• M19: 25,441,661 km (0.041 R)
• M20: 31,623,643 km (0.109 R)
• M21: 32,322,266 km (0.115 R)
• M22: 32,827,607 km (0.119 R)
• M23: 33,957,969 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.9

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.26 AU - 6.28 AU

Year: 8351 Days

Day: 9.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,880,894 km

• M1: 157,227 km (0.064 R)
• M2: 693,237 km (0.09 R)
• M3: 2,494,844 km (0.093 R)
• M4: 4,805,233 km (0.093 R)
• M5: 7,282,574 km (0.093 R)
• M6: 7,679,906 km (0.102 R)
• M7: 9,715,185 km (0.101 R)
• M8: 13,815,363 km (0.102 R)
• M9: 16,551,808 km (0.116 R)
• M10: 19,014,039 km (0.09 R)
• M11: 19,492,902 km (0.042 R)
• M12: 25,470,683 km (0.106 R)
• M13: 27,853,328 km (0.1 R)
• M14: 28,739,097 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.1

Radius: 9.9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.29 AU - 5.57 AU

Year: 8734 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,880,894 km

• M1: 123,269 km (0.114 R)
• M2: 621,130 km (0.114 R)
• M3: 1,135,149 km (0.075 R)
• M4: 1,582,745 km (0.07 R)
• M5: 2,984,478 km (0.065 R)
• M6: 4,241,249 km (0.062 R)
• M7: 5,235,028 km (0.12 R)
• M8: 8,134,534 km (0.119 R)
• M9: 8,477,861 km (0.112 R)
• M10: 9,101,983 km (0.065 R)
• M11: 15,836,580 km (0.051 R)
• M12: 16,852,200 km (0.109 R)
• M13: 17,838,798 km (0.099 R)
• M14: 19,695,607 km (0.061 R)
• M15: 20,237,899 km (0.117 R)
• M16: 21,677,928 km (0.084 R)
• M17: 22,929,165 km (0.087 R)
• M18: 23,789,652 km (0.119 R)
• M19: 25,392,743 km (0.117 R)
• M20: 30,119,437 km (0.075 R)
• M21: 32,420,551 km (0.056 R)
• M22: 34,948,905 km (0.119 R)
• M23: 36,319,072 km (0.102 R)
• M24: 37,017,245 km (0.103 R)
• M25: 38,201,013 km (0.097 R)
• M26: 41,903,411 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.6

Radius: 4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.76 AU - 8.62 AU

Year: 13308 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,880,894 km

• M1: 49,816 km (0.084 R)
• M2: 268,079 km (0.08 R)
• M3: 436,826 km (0.102 R)
• M4: 803,640 km (0.114 R)
• M5: 996,771 km (0.115 R)
• M6: 1,243,158 km (0.11 R)
• M7: 2,691,116 km (0.115 R)
• M8: 2,830,841 km (0.095 R)
• M9: 4,820,492 km (0.113 R)
• M10: 5,270,183 km (0.117 R)
• M11: 5,489,494 km (0.075 R)
• M12: 6,498,681 km (0.072 R)
• M13: 7,825,165 km (0.069 R)
• M14: 8,573,155 km (0.056 R)
• M15: 10,748,757 km (0.094 R)
• M16: 11,671,177 km (0.064 R)
• M17: 14,326,390 km (0.04 R)
• M18: 17,564,884 km (0.059 R)
• M19: 20,329,453 km (0.095 R)
• M20: 23,287,003 km (0.092 R)
• M21: 23,877,017 km (0.077 R)
• M22: 29,446,994 km (0.119 R)
• M23: 31,548,396 km (0.101 R)
• M24: 36,836,082 km (0.052 R)
• M25: 38,917,736 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.8

Radius: 3.2

Gravity: 81.43 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.99 AU - 8.31 AU

Year: 14605 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,880,894 km

• M1: 42,935 km (0.117 R)
• M2: 177,872 km (0.118 R)
• M3: 299,495 km (0.073 R)
• M4: 527,931 km (0.101 R)
• M5: 779,854 km (0.099 R)
• M6: 927,357 km (0.076 R)
• M7: 1,237,474 km (0.118 R)
• M8: 1,835,416 km (0.115 R)
• M9: 2,911,474 km (0.071 R)
• M10: 3,567,760 km (0.099 R)
• M11: 5,347,974 km (0.117 R)
• M12: 5,802,752 km (0.062 R)
• M13: 6,448,566 km (0.036 R)
• M14: 6,617,163 km (0.061 R)
• M15: 6,745,518 km (0.111 R)
• M16: 7,140,755 km (0.062 R)
• M17: 9,897,545 km (0.082 R)
• M18: 10,875,017 km (0.087 R)
• M19: 11,915,022 km (0.06 R)
• M20: 12,297,394 km (0.082 R)
• M21: 12,819,790 km (0.09 R)
• M22: 15,580,169 km (0.118 R)
• M23: 15,807,558 km (0.106 R)
• M24: 19,055,029 km (0.104 R)
• M25: 19,665,538 km (0.111 R)
• M26: 23,307,647 km (0.084 R)
• M27: 25,338,588 km (0.078 R)
• M28: 25,653,043 km (0.08 R)
• M29: 25,758,509 km (0.069 R)
• M30: 26,183,068 km (0.045 R)
• M31: 27,705,526 km (0.03 R)
• M32: 27,816,527 km (0.104 R)
• M33: 31,284,804 km (0.102 R)
• M34: 38,785,941 km (0.108 R)
• M35: 45,677,765 km (0.063 R)
• M36: 48,680,793 km (0.102 R)
• M37: 52,149,967 km (0.113 R)
• M38: 52,319,163 km (0.084 R)
• M39: 60,503,662 km (0.036 R)
• M40: 60,690,510 km (0.093 R)
• M41: 63,539,003 km (0.1 R)
• M42: 64,898,249 km (0.067 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: 158 - 14,239 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit