🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.8

Radius: 9.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,621,807 km

• M1: 116,986 km (0.045 R)
• M2: 567,874 km (0.102 R)
• M3: 1,340,547 km (0.086 R)
• M4: 1,892,263 km (0.092 R)
• M5: 2,313,830 km (0.066 R)
• M6: 3,665,896 km (0.088 R)
• M7: 4,067,566 km (0.108 R)
• M8: 4,760,204 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 9.6

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.78 AU - 1.08 AU

Year: 608 Days

Day: 8.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,621,807 km

• M1: 119,379 km (0.075 R)
• M2: 487,839 km (0.1 R)
• M3: 816,356 km (0.103 R)
• M4: 1,232,537 km (0.068 R)
• M5: 1,555,519 km (0.077 R)
• M6: 1,882,689 km (0.037 R)
• M7: 2,590,138 km (0.094 R)
• M8: 2,909,529 km (0.106 R)
• M9: 3,559,831 km (0.115 R)
• M10: 4,060,236 km (0.082 R)
• M11: 4,445,750 km (0.097 R)
• M12: 4,838,893 km (0.063 R)
• M13: 7,054,736 km (0.093 R)
• M14: 7,892,484 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 10.1

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.76 AU - 2.02 AU

Year: 1762 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,621,807 km

• M1: 125,662 km (0.114 R)
• M2: 644,617 km (0.084 R)
• M3: 1,256,473 km (0.081 R)
• M4: 1,891,964 km (0.111 R)
• M5: 4,226,140 km (0.057 R)
• M6: 4,873,450 km (0.107 R)
• M7: 6,275,481 km (0.066 R)
• M8: 7,290,652 km (0.081 R)
• M9: 8,061,380 km (0.109 R)
• M10: 9,230,338 km (0.115 R)
• M11: 9,794,921 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 8.6

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.22 AU - 3.36 AU

Year: 3161 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,621,807 km

• M1: 107,561 km (0.086 R)
• M2: 572,511 km (0.04 R)
• M3: 914,492 km (0.119 R)
• M4: 1,455,288 km (0.079 R)
• M5: 2,111,724 km (0.105 R)
• M6: 2,765,317 km (0.106 R)
• M7: 3,334,387 km (0.079 R)
• M8: 4,875,395 km (0.119 R)
• M9: 6,069,186 km (0.048 R)
• M10: 6,358,957 km (0.076 R)
• M11: 6,627,784 km (0.071 R)
• M12: 7,156,164 km (0.109 R)
• M13: 7,949,780 km (0.082 R)
• M14: 10,599,757 km (0.103 R)
• M15: 11,897,369 km (0.106 R)
• M16: 14,392,213 km (0.086 R)
• M17: 15,816,235 km (0.028 R)
• M18: 16,422,555 km (0.104 R)
• M19: 16,703,201 km (0.068 R)
• M20: 17,681,421 km (0.044 R)
• M21: 18,454,992 km (0.049 R)
• M22: 20,133,181 km (0.109 R)
• M23: 20,584,517 km (0.05 R)
• M24: 22,046,537 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 10.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.3 AU - 3.6 AU

Year: 3437 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 101.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,621,807 km

• M1: 134,189 km (0.063 R)
• M2: 620,083 km (0.108 R)
• M3: 1,154,148 km (0.119 R)
• M4: 1,526,347 km (0.045 R)
• M5: 2,130,872 km (0.092 R)
• M6: 2,733,901 km (0.079 R)
• M7: 4,732,678 km (0.093 R)
• M8: 5,761,014 km (0.085 R)
• M9: 7,093,033 km (0.101 R)
• M10: 7,659,112 km (0.094 R)
• M11: 12,549,765 km (0.078 R)
• M12: 16,539,989 km (0.095 R)
• M13: 19,841,614 km (0.114 R)
• M14: 20,365,506 km (0.116 R)
• M15: 21,577,997 km (0.103 R)
• M16: 22,624,733 km (0.03 R)
• M17: 25,735,322 km (0.103 R)
• M18: 26,201,768 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 14.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.38 AU - 3.82 AU

Year: 3702 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,621,807 km

• M1: 185,950 km (0.086 R)
• M2: 1,273,826 km (0.034 R)
• M3: 1,767,499 km (0.086 R)
• M4: 3,209,622 km (0.087 R)
• M5: 4,331,756 km (0.099 R)
• M6: 4,893,346 km (0.116 R)
• M7: 8,970,786 km (0.102 R)
• M8: 10,145,428 km (0.093 R)
• M9: 11,062,463 km (0.073 R)
• M10: 14,055,019 km (0.086 R)
• M11: 14,617,358 km (0.086 R)
• M12: 18,369,422 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 15

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.86 AU - 4.44 AU

Year: 5734 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,621,807 km

• M1: 190,588 km (0.056 R)
• M2: 774,169 km (0.062 R)
• M3: 1,709,305 km (0.108 R)
• M4: 2,388,779 km (0.102 R)
• M5: 3,812,651 km (0.064 R)
• M6: 5,549,632 km (0.108 R)
• M7: 7,686,638 km (0.118 R)
• M8: 11,852,789 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.8

Radius: 9.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.48 AU - 6.08 AU

Year: 8229 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,621,807 km

• M1: 114,442 km (0.034 R)
• M2: 409,001 km (0.04 R)
• M3: 756,516 km (0.097 R)
• M4: 1,284,447 km (0.07 R)
• M5: 1,829,432 km (0.062 R)
• M6: 2,788,504 km (0.116 R)
• M7: 4,220,455 km (0.101 R)
• M8: 4,650,998 km (0.119 R)
• M9: 5,337,353 km (0.075 R)
• M10: 6,026,849 km (0.093 R)
• M11: 8,143,659 km (0.071 R)
• M12: 8,771,970 km (0.091 R)
• M13: 9,139,532 km (0.115 R)
• M14: 10,439,388 km (0.111 R)
• M15: 12,156,921 km (0.067 R)
• M16: 13,294,912 km (0.115 R)
• M17: 19,237,538 km (0.116 R)
• M18: 19,719,543 km (0.083 R)
• M19: 21,141,321 km (0.052 R)
• M20: 21,580,989 km (0.095 R)
• M21: 27,083,797 km (0.052 R)
• M22: 29,379,227 km (0.11 R)
• M23: 31,230,949 km (0.086 R)
• M24: 31,896,959 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.2

Radius: 7.9

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.83 AU - 7.75 AU

Year: 12000 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,621,807 km

• M1: 98,585 km (0.116 R)
• M2: 371,601 km (0.071 R)
• M3: 676,781 km (0.089 R)
• M4: 941,120 km (0.101 R)
• M5: 1,507,947 km (0.102 R)
• M6: 1,817,913 km (0.117 R)
• M7: 2,227,064 km (0.092 R)
• M8: 2,652,969 km (0.112 R)
• M9: 3,254,651 km (0.117 R)
• M10: 3,587,955 km (0.1 R)
• M11: 5,609,771 km (0.087 R)
• M12: 6,882,998 km (0.054 R)
• M13: 7,176,060 km (0.09 R)
• M14: 7,565,314 km (0.108 R)
• M15: 8,480,554 km (0.098 R)
• M16: 10,862,750 km (0.101 R)
• M17: 12,328,809 km (0.082 R)
• M18: 13,013,968 km (0.037 R)
• M19: 13,398,135 km (0.102 R)
• M20: 15,434,012 km (0.042 R)
• M21: 21,586,823 km (0.088 R)
• M22: 22,489,646 km (0.069 R)
• M23: 23,136,358 km (0.073 R)
• M24: 28,980,698 km (0.079 R)
• M25: 29,746,489 km (0.091 R)
• M26: 30,413,546 km (0.099 R)
• M27: 33,300,636 km (0.027 R)
• M28: 36,491,857 km (0.115 R)
• M29: 37,901,369 km (0.047 R)
• M30: 46,828,921 km (0.03 R)
• M31: 53,554,691 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.5

Radius: 3

Gravity: 51.39 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.41 AU - 12.93 AU

Year: 23639 Days

Day: 23.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,621,807 km

• M1: 59,690 km (0.089 R)
• M2: 212,728 km (0.077 R)
• M3: 778,507 km (0.086 R)
• M4: 1,134,101 km (0.08 R)
• M5: 1,952,103 km (0.095 R)
• M6: 2,051,136 km (0.072 R)
• M7: 2,891,876 km (0.113 R)
• M8: 4,129,948 km (0.1 R)
• M9: 8,131,991 km (0.117 R)
• M10: 8,919,923 km (0.111 R)
• M11: 14,665,079 km (0.093 R)
• M12: 15,122,849 km (0.117 R)
• M13: 17,386,265 km (0.077 R)
• M14: 19,958,151 km (0.079 R)
• M15: 21,577,698 km (0.103 R)
• M16: 26,171,848 km (0.103 R)
• M17: 33,559,739 km (0.036 R)
• M18: 41,160,807 km (0.051 R)
• M19: 61,198,544 km (0.083 R)
• M20: 62,780,242 km (0.108 R)
• M21: 67,061,285 km (0.103 R)
• M22: 69,379,603 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 17,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit