🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 8.2

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 6 Hours

Environment

Temp: -142 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,454,975 km

• M1: 102,026 km (0.116 R)
• M2: 614,249 km (0.091 R)
• M3: 887,115 km (0.08 R)
• M4: 1,145,471 km (0.095 R)
• M5: 2,022,114 km (0.118 R)
• M6: 3,014,247 km (0.045 R)
• M7: 3,736,805 km (0.116 R)
• M8: 4,065,921 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 14.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.7 AU - 0.8 AU

Year: 433 Days

Day: 9.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,454,975 km

• M1: 182,809 km (0.085 R)
• M2: 723,754 km (0.111 R)
• M3: 1,338,751 km (0.049 R)
• M4: 2,172,311 km (0.097 R)
• M5: 2,810,944 km (0.081 R)
• M6: 4,264,886 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 14.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.85 AU - 1.17 AU

Year: 677 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,454,975 km

• M1: 184,155 km (0.101 R)
• M2: 653,294 km (0.095 R)
• M3: 1,201,570 km (0.095 R)
• M4: 1,735,634 km (0.114 R)
• M5: 2,213,899 km (0.034 R)
• M6: 2,759,183 km (0.115 R)
• M7: 3,538,139 km (0.092 R)
• M8: 4,038,395 km (0.052 R)
• M9: 4,633,944 km (0.093 R)
• M10: 5,270,333 km (0.053 R)
• M11: 6,235,688 km (0.084 R)
• M12: 6,823,608 km (0.079 R)
• M13: 7,786,270 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 13.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.5 AU - 2.94 AU

Year: 2991 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,454,975 km

• M1: 166,652 km (0.088 R)
• M2: 645,814 km (0.075 R)
• M3: 1,131,110 km (0.109 R)
• M4: 1,648,269 km (0.086 R)
• M5: 2,239,929 km (0.042 R)
• M6: 3,195,411 km (0.097 R)
• M7: 3,837,036 km (0.117 R)
• M8: 6,291,787 km (0.103 R)
• M9: 7,304,116 km (0.109 R)
• M10: 8,149,344 km (0.103 R)
• M11: 8,666,055 km (0.026 R)
• M12: 9,351,961 km (0.112 R)
• M13: 10,388,824 km (0.067 R)
• M14: 11,628,990 km (0.114 R)
• M15: 13,104,923 km (0.101 R)
• M16: 17,365,022 km (0.103 R)
• M17: 17,991,388 km (0.096 R)
• M18: 18,869,677 km (0.093 R)
• M19: 20,966,590 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 12.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.92 AU - 4.16 AU

Year: 4442 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,454,975 km

• M1: 158,125 km (0.119 R)
• M2: 807,978 km (0.062 R)
• M3: 1,791,883 km (0.085 R)
• M4: 3,361,165 km (0.107 R)
• M5: 5,457,031 km (0.077 R)
• M6: 6,080,106 km (0.093 R)
• M7: 7,502,932 km (0.067 R)
• M8: 8,868,311 km (0.12 R)
• M9: 9,292,870 km (0.074 R)
• M10: 12,322,227 km (0.032 R)
• M11: 13,396,489 km (0.102 R)
• M12: 14,164,226 km (0.093 R)
• M13: 17,773,274 km (0.076 R)
• M14: 18,889,574 km (0.057 R)
• M15: 20,117,922 km (0.116 R)
• M16: 22,235,629 km (0.061 R)
• M17: 24,497,998 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 12.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.72 AU - 4.88 AU

Year: 5946 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,454,975 km

• M1: 159,471 km (0.111 R)
• M2: 599,139 km (0.091 R)
• M3: 1,178,682 km (0.04 R)
• M4: 1,943,875 km (0.074 R)
• M5: 2,347,041 km (0.081 R)
• M6: 2,844,753 km (0.084 R)
• M7: 4,484,495 km (0.071 R)
• M8: 4,915,786 km (0.091 R)
• M9: 5,494,131 km (0.12 R)
• M10: 6,513,790 km (0.059 R)
• M11: 8,077,986 km (0.104 R)
• M12: 9,223,158 km (0.08 R)
• M13: 12,876,188 km (0.085 R)
• M14: 14,091,820 km (0.06 R)
• M15: 15,262,124 km (0.098 R)
• M16: 15,748,018 km (0.108 R)
• M17: 18,814,027 km (0.106 R)
• M18: 19,871,085 km (0.098 R)
• M19: 25,502,996 km (0.12 R)
• M20: 26,884,981 km (0.052 R)
• M21: 31,233,492 km (0.104 R)
• M22: 33,830,062 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.9

Radius: 7.5

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.35 AU - 6.37 AU

Year: 10696 Days

Day: 17 Hours

Environment

Temp: -225 °C

Axial Tilt: 131 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,454,975 km

• M1: 98,435 km (0.067 R)
• M2: 614,398 km (0.08 R)
• M3: 1,814,772 km (0.072 R)
• M4: 2,651,921 km (0.117 R)
• M5: 3,211,717 km (0.091 R)
• M6: 3,699,705 km (0.094 R)
• M7: 4,025,828 km (0.091 R)
• M8: 5,463,015 km (0.08 R)
• M9: 8,049,562 km (0.03 R)
• M10: 8,555,502 km (0.043 R)
• M11: 11,149,529 km (0.063 R)
• M12: 18,757,479 km (0.099 R)
• M13: 21,268,329 km (0.087 R)
• M14: 24,080,769 km (0.066 R)
• M15: 25,936,531 km (0.052 R)
• M16: 26,667,915 km (0.109 R)
• M17: 33,556,747 km (0.083 R)
• M18: 38,047,974 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.2

Radius: 3.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.45 AU - 11.57 AU

Year: 19557 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,454,975 km

• M1: 66,721 km (0.11 R)
• M2: 258,505 km (0.106 R)
• M3: 566,826 km (0.093 R)
• M4: 3,137,367 km (0.071 R)
• M5: 3,474,710 km (0.077 R)
• M6: 4,499,754 km (0.071 R)
• M7: 9,136,241 km (0.112 R)
• M8: 11,333,983 km (0.093 R)
• M9: 13,582,888 km (0.112 R)
• M10: 17,705,506 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.7

Radius: 4.6

Gravity: 46.06 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.63 AU - 10.55 AU

Year: 21373 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,454,975 km

• M1: 57,296 km (0.066 R)
• M2: 236,065 km (0.074 R)
• M3: 403,166 km (0.119 R)
• M4: 1,247,347 km (0.061 R)
• M5: 1,504,955 km (0.105 R)
• M6: 1,777,971 km (0.064 R)
• M7: 2,544,061 km (0.101 R)
• M8: 2,746,318 km (0.045 R)
• M9: 3,328,702 km (0.034 R)
• M10: 3,509,267 km (0.105 R)
• M11: 5,079,745 km (0.097 R)
• M12: 5,319,551 km (0.084 R)
• M13: 6,968,418 km (0.025 R)
• M14: 7,264,622 km (0.08 R)
• M15: 7,620,665 km (0.103 R)
• M16: 8,422,809 km (0.038 R)
• M17: 11,231,958 km (0.114 R)
• M18: 14,056,066 km (0.054 R)
• M19: 16,964,099 km (0.081 R)
• M20: 28,917,418 km (0.107 R)
• M21: 30,068,274 km (0.08 R)
• M22: 34,265,841 km (0.085 R)
• M23: 38,991,638 km (0.104 R)
• M24: 39,767,303 km (0.068 R)
• M25: 40,080,262 km (0.119 R)
• M26: 45,486,429 km (0.103 R)
• M27: 49,709,876 km (0.058 R)
• M28: 52,666,080 km (0.105 R)
• M29: 57,117,813 km (0.08 R)
• M30: 58,520,892 km (0.095 R)
• M31: 58,925,853 km (0.113 R)
• M32: 60,564,848 km (0.1 R)
• M33: 62,233,911 km (0.037 R)
• M34: 65,882,005 km (0.083 R)
• M35: 68,991,396 km (0.102 R)
• M36: 76,221,611 km (0.122 R)
• M37: 83,171,629 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 18,327 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit