🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 9.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.83 AU - 1.31 AU

Year: 726 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,243,673 km

• M1: 123,119 km (0.114 R)
• M2: 446,250 km (0.086 R)
• M3: 792,719 km (0.049 R)
• M4: 1,347,428 km (0.104 R)
• M5: 1,713,344 km (0.106 R)
• M6: 2,067,143 km (0.109 R)
• M7: 2,673,314 km (0.115 R)
• M8: 3,101,613 km (0.112 R)
• M9: 3,463,041 km (0.087 R)
• M10: 4,351,802 km (0.089 R)
• M11: 4,982,656 km (0.109 R)
• M12: 5,423,521 km (0.065 R)
• M13: 5,950,555 km (0.084 R)
• M14: 8,031,610 km (0.057 R)
• M15: 8,510,024 km (0.049 R)
• M16: 8,901,073 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 12.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.78 AU - 2.1 AU

Year: 1773 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,243,673 km

• M1: 156,779 km (0.115 R)
• M2: 982,708 km (0.076 R)
• M3: 1,387,520 km (0.097 R)
• M4: 1,793,080 km (0.114 R)
• M5: 2,235,441 km (0.114 R)
• M6: 2,688,573 km (0.088 R)
• M7: 3,288,161 km (0.085 R)
• M8: 3,751,915 km (0.101 R)
• M9: 4,293,608 km (0.069 R)
• M10: 5,332,865 km (0.119 R)
• M11: 6,648,429 km (0.116 R)
• M12: 7,221,538 km (0.079 R)
• M13: 7,672,875 km (0.077 R)
• M14: 8,521,992 km (0.04 R)
• M15: 8,941,166 km (0.037 R)
• M16: 9,551,076 km (0.117 R)
• M17: 10,344,693 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.3

Radius: 9.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.81 AU - 2.53 AU

Year: 2097 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,243,673 km

• M1: 117,135 km (0.102 R)
• M2: 561,441 km (0.101 R)
• M3: 962,662 km (0.031 R)
• M4: 1,416,243 km (0.091 R)
• M5: 2,325,349 km (0.109 R)
• M6: 3,361,763 km (0.086 R)
• M7: 3,976,162 km (0.114 R)
• M8: 6,717,094 km (0.118 R)
• M9: 7,882,312 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 10.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.81 AU - 3.2 AU

Year: 3409 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,243,673 km

• M1: 134,339 km (0.112 R)
• M2: 472,729 km (0.098 R)
• M3: 1,058,405 km (0.099 R)
• M4: 1,459,477 km (0.045 R)
• M5: 2,167,075 km (0.077 R)
• M6: 2,550,494 km (0.077 R)
• M7: 2,917,607 km (0.065 R)
• M8: 3,851,846 km (0.039 R)
• M9: 4,337,889 km (0.12 R)
• M10: 5,154,993 km (0.041 R)
• M11: 5,845,088 km (0.057 R)
• M12: 7,150,180 km (0.095 R)
• M13: 7,497,546 km (0.097 R)
• M14: 8,511,520 km (0.082 R)
• M15: 9,338,797 km (0.093 R)
• M16: 9,684,368 km (0.119 R)
• M17: 10,038,466 km (0.049 R)
• M18: 10,511,644 km (0.111 R)
• M19: 12,807,373 km (0.067 R)
• M20: 13,148,306 km (0.042 R)
• M21: 13,627,020 km (0.105 R)
• M22: 14,072,223 km (0.112 R)
• M23: 15,707,627 km (0.071 R)
• M24: 16,747,781 km (0.081 R)
• M25: 17,466,299 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63

Radius: 4.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.47 AU - 7.47 AU

Year: 10796 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,243,673 km

• M1: 61,634 km (0.117 R)
• M2: 609,013 km (0.113 R)
• M3: 891,903 km (0.047 R)
• M4: 1,220,569 km (0.103 R)
• M5: 1,592,021 km (0.108 R)
• M6: 2,144,186 km (0.098 R)
• M7: 2,418,698 km (0.104 R)
• M8: 2,683,786 km (0.089 R)
• M9: 3,676,667 km (0.086 R)
• M10: 4,135,035 km (0.066 R)
• M11: 4,378,131 km (0.094 R)
• M12: 4,677,626 km (0.102 R)
• M13: 6,619,407 km (0.081 R)
• M14: 7,984,338 km (0.033 R)
• M15: 9,526,692 km (0.113 R)
• M16: 10,713,601 km (0.037 R)
• M17: 15,962,392 km (0.071 R)
• M18: 18,327,086 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.7

Radius: 3.6

Gravity: 76.83 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.26 AU - 8 AU

Year: 11199 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 148.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 30,243,673 km

• M1: 44,730 km (0.086 R)
• M2: 266,883 km (0.081 R)
• M3: 505,940 km (0.054 R)
• M4: 685,009 km (0.066 R)
• M5: 853,605 km (0.107 R)
• M6: 1,146,069 km (0.108 R)
• M7: 1,546,842 km (0.115 R)
• M8: 2,224,820 km (0.103 R)
• M9: 2,752,002 km (0.101 R)
• M10: 2,866,594 km (0.113 R)
• M11: 4,729,237 km (0.12 R)
• M12: 4,995,073 km (0.031 R)
• M13: 7,806,316 km (0.116 R)
• M14: 8,904,364 km (0.089 R)
• M15: 9,939,582 km (0.101 R)
• M16: 12,184,148 km (0.09 R)
• M17: 13,522,451 km (0.077 R)
• M18: 13,721,266 km (0.085 R)
• M19: 14,814,976 km (0.101 R)
• M20: 15,599,617 km (0.05 R)
• M21: 16,262,037 km (0.107 R)
• M22: 20,200,051 km (0.047 R)
• M23: 21,342,231 km (0.064 R)
• M24: 22,712,996 km (0.112 R)
• M25: 24,630,242 km (0.067 R)
• M26: 25,628,210 km (0.101 R)
• M27: 29,222,598 km (0.07 R)
• M28: 29,666,455 km (0.049 R)
• M29: 30,114,650 km (0.069 R)
• M30: 32,542,174 km (0.115 R)
• M31: 32,660,955 km (0.118 R)
• M32: 33,138,771 km (0.082 R)
• M33: 44,867,393 km (0.1 R)
• M34: 50,846,521 km (0.109 R)
• M35: 53,445,784 km (0.107 R)
• M36: 53,776,695 km (0.088 R)
• M37: 56,474,094 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.1

Radius: 5.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.69 AU - 10.07 AU

Year: 17359 Days

Day: 17.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,243,673 km

• M1: 68,366 km (0.093 R)
• M2: 455,077 km (0.057 R)
• M3: 850,913 km (0.091 R)
• M4: 1,104,331 km (0.112 R)
• M5: 2,501,127 km (0.116 R)
• M6: 3,082,763 km (0.116 R)
• M7: 3,977,807 km (0.099 R)
• M8: 10,732,151 km (0.116 R)
• M9: 11,567,506 km (0.048 R)
• M10: 13,262,450 km (0.061 R)
• M11: 16,828,115 km (0.109 R)
• M12: 22,139,587 km (0.109 R)
• M13: 29,258,800 km (0.118 R)
• M14: 29,793,314 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 15,717 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit