🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.7

Radius: 12.9

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,188,653 km

• M1: 160,519 km (0.118 R)
• M2: 615,745 km (0.075 R)
• M3: 1,045,839 km (0.113 R)
• M4: 1,713,793 km (0.067 R)
• M5: 2,533,590 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.1

Radius: 14.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.22 AU - 1.26 AU

Year: 937 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,188,653 km

• M1: 182,809 km (0.119 R)
• M2: 703,708 km (0.115 R)
• M3: 1,197,381 km (0.119 R)
• M4: 1,827,936 km (0.09 R)
• M5: 2,292,139 km (0.073 R)
• M6: 3,505,078 km (0.118 R)
• M7: 4,394,437 km (0.095 R)
• M8: 4,997,317 km (0.091 R)
• M9: 5,708,356 km (0.03 R)
• M10: 6,332,627 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 10

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.37 AU - 1.43 AU

Year: 1124 Days

Day: 7.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,188,653 km

• M1: 124,765 km (0.107 R)
• M2: 509,082 km (0.062 R)
• M3: 822,489 km (0.097 R)
• M4: 1,211,892 km (0.066 R)
• M5: 1,782,309 km (0.111 R)
• M6: 2,650,425 km (0.086 R)
• M7: 3,000,634 km (0.113 R)
• M8: 3,412,327 km (0.063 R)
• M9: 3,828,210 km (0.076 R)
• M10: 4,241,848 km (0.068 R)
• M11: 7,178,005 km (0.072 R)
• M12: 7,972,819 km (0.108 R)
• M13: 9,212,835 km (0.076 R)
• M14: 10,151,263 km (0.061 R)
• M15: 10,477,835 km (0.08 R)
• M16: 12,550,065 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 13.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.04 AU - 5.64 AU

Year: 8370 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,188,653 km

• M1: 162,912 km (0.074 R)
• M2: 737,518 km (0.06 R)
• M3: 1,389,166 km (0.097 R)
• M4: 2,167,374 km (0.111 R)
• M5: 2,763,521 km (0.076 R)
• M6: 3,513,755 km (0.087 R)
• M7: 4,617,189 km (0.043 R)
• M8: 5,234,429 km (0.11 R)
• M9: 9,185,160 km (0.111 R)
• M10: 10,212,747 km (0.086 R)
• M11: 12,220,650 km (0.084 R)
• M12: 15,164,287 km (0.104 R)
• M13: 19,659,404 km (0.07 R)
• M14: 22,579,255 km (0.063 R)
• M15: 29,859,436 km (0.085 R)
• M16: 31,897,408 km (0.108 R)
• M17: 36,476,299 km (0.12 R)
• M18: 37,395,578 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.9

Radius: 5.7

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.46 AU - 5.84 AU

Year: 9109 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,188,653 km

• M1: 72,106 km (0.102 R)
• M2: 273,764 km (0.111 R)
• M3: 619,485 km (0.055 R)
• M4: 816,954 km (0.062 R)
• M5: 1,666,520 km (0.103 R)
• M6: 1,914,853 km (0.043 R)
• M7: 2,872,429 km (0.102 R)
• M8: 4,999,860 km (0.047 R)
• M9: 5,678,137 km (0.082 R)
• M10: 5,972,695 km (0.114 R)
• M11: 6,381,097 km (0.115 R)
• M12: 6,954,356 km (0.101 R)
• M13: 7,140,456 km (0.079 R)
• M14: 7,600,619 km (0.107 R)
• M15: 8,121,070 km (0.045 R)
• M16: 9,367,370 km (0.064 R)
• M17: 9,965,462 km (0.11 R)
• M18: 11,442,442 km (0.118 R)
• M19: 13,286,086 km (0.107 R)
• M20: 13,688,953 km (0.077 R)
• M21: 14,518,773 km (0.06 R)
• M22: 14,762,019 km (0.102 R)
• M23: 15,954,314 km (0.087 R)
• M24: 19,322,959 km (0.115 R)
• M25: 19,691,418 km (0.075 R)
• M26: 22,240,865 km (0.091 R)
• M27: 24,655,823 km (0.119 R)
• M28: 26,964,717 km (0.115 R)
• M29: 27,148,124 km (0.049 R)
• M30: 28,360,316 km (0.096 R)
• M31: 30,097,895 km (0.062 R)
• M32: 34,966,707 km (0.119 R)
• M33: 37,188,684 km (0.107 R)
• M34: 38,450,094 km (0.092 R)
• M35: 38,798,956 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.7

Radius: 7.7

Gravity: 14.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.87 AU - 6.33 AU

Year: 10218 Days

Day: 17.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,188,653 km

• M1: 101,427 km (0.032 R)
• M2: 402,717 km (0.092 R)
• M3: 733,778 km (0.06 R)
• M4: 2,007,155 km (0.051 R)
• M5: 3,383,754 km (0.116 R)
• M6: 3,985,736 km (0.063 R)
• M7: 4,939,422 km (0.081 R)
• M8: 6,335,769 km (0.113 R)
• M9: 6,841,559 km (0.087 R)
• M10: 7,331,941 km (0.101 R)
• M11: 8,291,612 km (0.104 R)
• M12: 8,944,606 km (0.115 R)
• M13: 10,889,379 km (0.114 R)
• M14: 11,902,455 km (0.099 R)
• M15: 14,976,991 km (0.081 R)
• M16: 16,443,050 km (0.073 R)
• M17: 19,576,976 km (0.105 R)
• M18: 20,149,188 km (0.086 R)
• M19: 20,816,693 km (0.107 R)
• M20: 21,758,412 km (0.116 R)
• M21: 22,549,785 km (0.083 R)
• M22: 24,659,264 km (0.028 R)
• M23: 38,589,519 km (0.086 R)
• M24: 40,139,502 km (0.089 R)
• M25: 41,328,805 km (0.084 R)
• M26: 46,034,257 km (0.115 R)
• M27: 51,084,681 km (0.117 R)
• M28: 51,702,071 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.8

Radius: 6.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.69 AU - 7.53 AU

Year: 11526 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,188,653 km

• M1: 95,892 km (0.109 R)
• M2: 660,475 km (0.099 R)
• M3: 869,463 km (0.109 R)
• M4: 2,840,564 km (0.111 R)
• M5: 3,203,788 km (0.087 R)
• M6: 4,537,303 km (0.051 R)
• M7: 5,248,940 km (0.111 R)
• M8: 6,669,522 km (0.101 R)
• M9: 9,346,127 km (0.061 R)
• M10: 11,730,717 km (0.103 R)
• M11: 14,616,610 km (0.092 R)
• M12: 18,958,688 km (0.075 R)
• M13: 24,701,002 km (0.091 R)
• M14: 32,130,032 km (0.119 R)
• M15: 35,498,976 km (0.117 R)
• M16: 37,559,388 km (0.088 R)
• M17: 41,791,362 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.6

Radius: 3.6

Gravity: 20.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.16 AU - 10.16 AU

Year: 21965 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,188,653 km

• M1: 45,029 km (0.111 R)
• M2: 217,515 km (0.118 R)
• M3: 1,328,130 km (0.112 R)
• M4: 2,941,842 km (0.052 R)
• M5: 4,517,108 km (0.067 R)
• M6: 4,677,626 km (0.1 R)
• M7: 6,140,544 km (0.119 R)
• M8: 7,564,865 km (0.057 R)
• M9: 7,700,102 km (0.082 R)
• M10: 8,792,316 km (0.112 R)
• M11: 10,256,131 km (0.074 R)
• M12: 13,325,580 km (0.081 R)
• M13: 13,991,739 km (0.045 R)
• M14: 16,878,978 km (0.085 R)
• M15: 17,658,233 km (0.09 R)
• M16: 17,896,543 km (0.111 R)
• M17: 20,399,764 km (0.11 R)
• M18: 22,008,240 km (0.114 R)
• M19: 23,507,510 km (0.081 R)
• M20: 30,298,954 km (0.084 R)
• M21: 31,331,628 km (0.083 R)
• M22: 42,978,122 km (0.066 R)
• M23: 44,573,434 km (0.113 R)
• M24: 45,608,950 km (0.106 R)
• M25: 50,867,465 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90

Radius: 8

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.2 AU - 12.62 AU

Year: 22781 Days

Day: 24.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,188,653 km

• M1: 108,608 km (0.117 R)
• M2: 578,944 km (0.063 R)
• M3: 974,780 km (0.109 R)
• M4: 1,224,608 km (0.074 R)
• M5: 1,812,827 km (0.077 R)
• M6: 2,979,092 km (0.063 R)
• M7: 4,581,884 km (0.08 R)
• M8: 4,930,895 km (0.107 R)
• M9: 6,224,767 km (0.079 R)
• M10: 9,985,658 km (0.115 R)
• M11: 11,132,924 km (0.117 R)
• M12: 12,589,110 km (0.118 R)
• M13: 15,874,728 km (0.106 R)
• M14: 29,175,026 km (0.047 R)
• M15: 32,660,506 km (0.092 R)
• M16: 32,980,795 km (0.114 R)
• M17: 36,989,270 km (0.079 R)
• M18: 37,687,444 km (0.042 R)
• M19: 41,560,532 km (0.072 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 11,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit