🌌 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: 466.4

Radius: 14.1

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.64 AU - 0.9 AU

Year: 458 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,827,093 km

• M1: 175,329 km (0.092 R)
• M2: 617,390 km (0.058 R)
• M3: 1,303,895 km (0.105 R)
• M4: 1,854,714 km (0.103 R)
• M5: 2,335,821 km (0.1 R)
• M6: 2,810,495 km (0.102 R)
• M7: 3,384,053 km (0.056 R)
• M8: 4,022,388 km (0.099 R)
• M9: 4,515,013 km (0.09 R)
• M10: 5,017,961 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 12.4

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.93 AU - 1.51 AU

Year: 914 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 129.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,827,093 km

• M1: 154,235 km (0.106 R)
• M2: 566,078 km (0.071 R)
• M3: 1,186,461 km (0.032 R)
• M4: 2,355,867 km (0.115 R)
• M5: 3,477,552 km (0.041 R)
• M6: 3,958,808 km (0.116 R)
• M7: 5,225,603 km (0.116 R)
• M8: 5,839,104 km (0.067 R)
• M9: 6,952,860 km (0.106 R)
• M10: 8,950,590 km (0.109 R)
• M11: 9,801,353 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.6

Radius: 8.9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.17 AU - 1.33 AU

Year: 948 Days

Day: 14.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,827,093 km

• M1: 116,238 km (0.117 R)
• M2: 425,756 km (0.109 R)
• M3: 722,707 km (0.068 R)
• M4: 1,313,320 km (0.08 R)
• M5: 1,592,320 km (0.062 R)
• M6: 1,950,607 km (0.12 R)
• M7: 2,229,756 km (0.088 R)
• M8: 2,668,527 km (0.091 R)
• M9: 3,136,469 km (0.076 R)
• M10: 3,627,748 km (0.1 R)
• M11: 4,236,761 km (0.03 R)
• M12: 4,949,894 km (0.059 R)
• M13: 5,414,695 km (0.108 R)
• M14: 5,803,201 km (0.073 R)
• M15: 6,320,360 km (0.104 R)
• M16: 7,697,558 km (0.082 R)
• M17: 8,005,730 km (0.101 R)
• M18: 8,784,836 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 9.7

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.75 AU - 1.91 AU

Year: 1679 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,827,093 km

• M1: 127,158 km (0.107 R)
• M2: 680,521 km (0.099 R)
• M3: 1,336,807 km (0.094 R)
• M4: 1,747,154 km (0.095 R)
• M5: 3,066,008 km (0.069 R)
• M6: 4,335,047 km (0.11 R)
• M7: 4,995,223 km (0.032 R)
• M8: 5,392,554 km (0.062 R)
• M9: 5,924,524 km (0.101 R)
• M10: 6,346,241 km (0.089 R)
• M11: 7,732,714 km (0.106 R)
• M12: 12,177,267 km (0.099 R)
• M13: 12,553,655 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 10.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.74 AU - 3.3 AU

Year: 3560 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,827,093 km

• M1: 130,599 km (0.09 R)
• M2: 539,450 km (0.101 R)
• M3: 1,904,231 km (0.117 R)
• M4: 2,421,092 km (0.117 R)
• M5: 3,249,116 km (0.108 R)
• M6: 4,383,816 km (0.112 R)
• M7: 6,410,867 km (0.101 R)
• M8: 7,985,235 km (0.081 R)
• M9: 9,930,905 km (0.083 R)
• M10: 10,488,008 km (0.103 R)
• M11: 11,100,461 km (0.098 R)
• M12: 11,844,860 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 8.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.92 AU - 3.88 AU

Year: 4252 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,827,093 km

• M1: 112,647 km (0.032 R)
• M2: 423,212 km (0.106 R)
• M3: 4,446,797 km (0.098 R)
• M4: 6,676,254 km (0.101 R)
• M5: 10,830,587 km (0.105 R)
• M6: 14,045,445 km (0.102 R)
• M7: 14,398,346 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 9.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.32 AU - 4.46 AU

Year: 5204 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,827,093 km

• M1: 123,119 km (0.061 R)
• M2: 702,063 km (0.044 R)
• M3: 1,080,994 km (0.056 R)
• M4: 1,776,176 km (0.117 R)
• M5: 2,162,886 km (0.11 R)
• M6: 2,651,772 km (0.114 R)
• M7: 3,125,698 km (0.088 R)
• M8: 3,485,032 km (0.109 R)
• M9: 5,793,926 km (0.084 R)
• M10: 6,144,433 km (0.074 R)
• M11: 6,799,074 km (0.119 R)
• M12: 7,281,527 km (0.049 R)
• M13: 9,224,504 km (0.105 R)
• M14: 9,591,467 km (0.107 R)
• M15: 10,160,089 km (0.12 R)
• M16: 11,406,688 km (0.058 R)
• M17: 12,573,103 km (0.094 R)
• M18: 14,249,646 km (0.092 R)
• M19: 17,814,414 km (0.117 R)
• M20: 20,167,738 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.7

Radius: 6.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.73 AU - 6.43 AU

Year: 10168 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,827,093 km

• M1: 86,168 km (0.117 R)
• M2: 557,551 km (0.045 R)
• M3: 2,107,984 km (0.101 R)
• M4: 2,815,432 km (0.025 R)
• M5: 3,118,218 km (0.117 R)
• M6: 4,418,224 km (0.086 R)
• M7: 5,056,558 km (0.078 R)
• M8: 6,515,137 km (0.105 R)
• M9: 6,794,885 km (0.084 R)
• M10: 7,605,406 km (0.112 R)
• M11: 8,854,698 km (0.056 R)
• M12: 10,188,513 km (0.087 R)
• M13: 12,063,572 km (0.114 R)
• M14: 14,986,266 km (0.113 R)
• M15: 16,035,845 km (0.066 R)
• M16: 17,465,701 km (0.056 R)
• M17: 19,694,111 km (0.063 R)
• M18: 25,301,637 km (0.036 R)
• M19: 25,993,378 km (0.119 R)
• M20: 28,513,653 km (0.055 R)
• M21: 33,825,874 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997

Radius: 4.5

Gravity: 49.23 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.73 AU - 7.57 AU

Year: 11631 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 68,827,093 km

• M1: 56,847 km (0.103 R)
• M2: 213,775 km (0.054 R)
• M3: 383,120 km (0.117 R)
• M4: 543,339 km (0.085 R)
• M5: 949,498 km (0.083 R)
• M6: 1,198,429 km (0.118 R)
• M7: 1,460,075 km (0.105 R)
• M8: 2,041,263 km (0.034 R)
• M9: 2,292,438 km (0.105 R)
• M10: 2,542,117 km (0.072 R)
• M11: 4,102,572 km (0.073 R)
• M12: 4,408,350 km (0.067 R)
• M13: 4,996,569 km (0.108 R)
• M14: 5,274,223 km (0.066 R)
• M15: 5,452,842 km (0.118 R)
• M16: 7,248,017 km (0.098 R)
• M17: 7,513,852 km (0.108 R)
• M18: 7,694,566 km (0.035 R)
• M19: 8,544,432 km (0.091 R)
• M20: 8,791,119 km (0.067 R)
• M21: 10,042,206 km (0.069 R)
• M22: 10,428,318 km (0.042 R)
• M23: 10,596,915 km (0.062 R)
• M24: 11,466,826 km (0.078 R)
• M25: 13,216,224 km (0.093 R)
• M26: 16,768,874 km (0.039 R)
• M27: 19,348,241 km (0.119 R)
• M28: 25,175,826 km (0.076 R)
• M29: 25,479,360 km (0.109 R)
• M30: 26,404,323 km (0.065 R)
• M31: 28,869,547 km (0.095 R)
• M32: 29,090,952 km (0.057 R)
• M33: 31,018,520 km (0.048 R)
• M34: 35,377,952 km (0.061 R)
• M35: 38,100,483 km (0.1 R)
• M36: 41,801,834 km (0.106 R)
• M37: 46,187,595 km (0.117 R)
• M38: 48,491,252 km (0.087 R)
• M39: 49,909,590 km (0.119 R)
• M40: 54,498,504 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.6

Radius: 5.6

Gravity: 27.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.92 AU - 9.12 AU

Year: 15405 Days

Day: 16.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,827,093 km

• M1: 69,713 km (0.075 R)
• M2: 250,277 km (0.035 R)
• M3: 444,455 km (0.108 R)
• M4: 619,634 km (0.111 R)
• M5: 1,644,679 km (0.056 R)
• M6: 2,868,539 km (0.119 R)
• M7: 3,524,227 km (0.118 R)
• M8: 4,536,406 km (0.087 R)
• M9: 5,127,467 km (0.054 R)
• M10: 5,536,318 km (0.026 R)
• M11: 5,729,299 km (0.116 R)
• M12: 6,805,955 km (0.114 R)
• M13: 9,030,326 km (0.081 R)
• M14: 9,298,106 km (0.095 R)
• M15: 10,019,018 km (0.087 R)
• M16: 11,384,847 km (0.076 R)
• M17: 11,760,637 km (0.113 R)
• M18: 13,764,500 km (0.118 R)
• M19: 14,921,191 km (0.12 R)
• M20: 15,676,211 km (0.116 R)
• M21: 17,925,565 km (0.087 R)
• M22: 18,434,048 km (0.1 R)
• M23: 20,842,125 km (0.098 R)
• M24: 21,880,484 km (0.097 R)
• M25: 22,169,656 km (0.057 R)
• M26: 26,707,708 km (0.037 R)
• M27: 29,309,364 km (0.037 R)
• M28: 31,094,217 km (0.073 R)
• M29: 32,075,130 km (0.051 R)
• M30: 34,098,591 km (0.119 R)
• M31: 34,878,893 km (0.047 R)
• M32: 35,273,383 km (0.115 R)
• M33: 43,195,787 km (0.106 R)
• M34: 45,035,093 km (0.064 R)
• M35: 46,131,795 km (0.081 R)
• M36: 50,026,874 km (0.081 R)
• M37: 51,033,818 km (0.064 R)
• M38: 55,912,055 km (0.05 R)
• M39: 61,282,768 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 15,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit