🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 8.2

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 12 Hours

Environment

Temp: -141 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,976,526 km

• M1: 102,475 km (0.099 R)
• M2: 367,263 km (0.074 R)
• M3: 640,129 km (0.072 R)
• M4: 978,669 km (0.046 R)
• M5: 1,429,856 km (0.111 R)
• M6: 2,101,401 km (0.093 R)
• M7: 2,432,162 km (0.085 R)
• M8: 2,807,204 km (0.104 R)
• M9: 3,113,580 km (0.098 R)
• M10: 4,118,130 km (0.11 R)
• M11: 4,556,153 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 8.1

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.79 AU - 0.87 AU

Year: 504 Days

Day: 6 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,976,526 km

• M1: 100,679 km (0.091 R)
• M2: 467,793 km (0.092 R)
• M3: 909,106 km (0.092 R)
• M4: 1,421,479 km (0.075 R)
• M5: 2,484,521 km (0.074 R)
• M6: 3,285,020 km (0.084 R)
• M7: 3,595,286 km (0.101 R)
• M8: 4,288,821 km (0.09 R)
• M9: 4,991,183 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898

Radius: 12.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.81 AU - 0.87 AU

Year: 513 Days

Day: 11 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,976,526 km

• M1: 154,235 km (0.119 R)
• M2: 552,615 km (0.101 R)
• M3: 1,009,187 km (0.113 R)
• M4: 1,488,499 km (0.04 R)
• M5: 2,277,777 km (0.095 R)
• M6: 3,206,481 km (0.111 R)
• M7: 3,637,771 km (0.095 R)
• M8: 4,050,362 km (0.114 R)
• M9: 4,587,120 km (0.102 R)
• M10: 5,803,949 km (0.099 R)
• M11: 6,215,792 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 12.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.14 AU - 1.5 AU

Year: 1011 Days

Day: 7.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,976,526 km

• M1: 156,629 km (0.105 R)
• M2: 576,849 km (0.116 R)
• M3: 1,189,453 km (0.05 R)
• M4: 1,702,424 km (0.081 R)
• M5: 2,226,465 km (0.053 R)
• M6: 2,846,548 km (0.077 R)
• M7: 5,179,078 km (0.034 R)
• M8: 5,863,788 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 9.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.79 AU - 2.17 AU

Year: 1858 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,976,526 km

• M1: 118,482 km (0.112 R)
• M2: 541,843 km (0.077 R)
• M3: 887,415 km (0.1 R)
• M4: 1,196,633 km (0.061 R)
• M5: 1,579,305 km (0.047 R)
• M6: 2,134,462 km (0.11 R)
• M7: 2,676,456 km (0.108 R)
• M8: 3,183,143 km (0.084 R)
• M9: 3,533,502 km (0.113 R)
• M10: 5,158,583 km (0.049 R)
• M11: 5,464,062 km (0.059 R)
• M12: 6,604,746 km (0.102 R)
• M13: 8,127,802 km (0.112 R)
• M14: 8,452,579 km (0.096 R)
• M15: 8,755,215 km (0.055 R)
• M16: 9,159,578 km (0.077 R)
• M17: 9,674,345 km (0.095 R)
• M18: 10,974,500 km (0.088 R)
• M19: 11,518,438 km (0.103 R)
• M20: 12,348,706 km (0.109 R)
• M21: 12,937,373 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 14.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.68 AU - 3.44 AU

Year: 3570 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,976,526 km

• M1: 176,077 km (0.115 R)
• M2: 991,086 km (0.098 R)
• M3: 1,593,517 km (0.114 R)
• M4: 2,698,596 km (0.062 R)
• M5: 4,200,259 km (0.113 R)
• M6: 4,986,097 km (0.076 R)
• M7: 5,840,899 km (0.104 R)
• M8: 9,600,144 km (0.079 R)
• M9: 10,187,465 km (0.1 R)
• M10: 10,757,134 km (0.073 R)
• M11: 12,733,771 km (0.07 R)
• M12: 15,413,069 km (0.061 R)
• M13: 16,941,211 km (0.086 R)
• M14: 19,980,890 km (0.1 R)
• M15: 21,596,547 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 13.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4 AU - 4.2 AU

Year: 5536 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,976,526 km

• M1: 172,935 km (0.071 R)
• M2: 1,055,413 km (0.08 R)
• M3: 2,462,082 km (0.107 R)
• M4: 3,190,175 km (0.111 R)
• M5: 3,805,171 km (0.081 R)
• M6: 4,341,779 km (0.118 R)
• M7: 4,950,044 km (0.117 R)
• M8: 6,567,347 km (0.032 R)
• M9: 7,343,460 km (0.065 R)
• M10: 8,090,702 km (0.11 R)
• M11: 9,737,176 km (0.093 R)
• M12: 10,391,367 km (0.111 R)
• M13: 13,058,398 km (0.115 R)
• M14: 13,897,642 km (0.039 R)
• M15: 14,638,900 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 11.6

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.63 AU - 5.45 AU

Year: 6451 Days

Day: 6.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,976,526 km

• M1: 174,282 km (0.041 R)
• M2: 825,631 km (0.063 R)
• M3: 1,667,867 km (0.095 R)
• M4: 4,963,508 km (0.054 R)
• M5: 6,372,570 km (0.055 R)
• M6: 7,461,643 km (0.047 R)
• M7: 9,670,605 km (0.113 R)
• M8: 10,656,754 km (0.058 R)
• M9: 13,859,495 km (0.044 R)
• M10: 16,320,679 km (0.077 R)
• M11: 22,092,015 km (0.101 R)
• M12: 24,567,411 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.1

Radius: 3.3

Gravity: 78.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.85 AU - 9.15 AU

Year: 15089 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,976,526 km

• M1: 40,990 km (0.088 R)
• M2: 173,683 km (0.111 R)
• M3: 374,743 km (0.034 R)
• M4: 764,445 km (0.115 R)
• M5: 1,064,838 km (0.079 R)
• M6: 1,438,533 km (0.113 R)
• M7: 2,830,691 km (0.079 R)
• M8: 3,739,498 km (0.088 R)
• M9: 3,887,749 km (0.074 R)
• M10: 4,520,698 km (0.113 R)
• M11: 7,648,490 km (0.088 R)
• M12: 9,429,004 km (0.082 R)
• M13: 12,622,171 km (0.071 R)
• M14: 13,227,593 km (0.088 R)
• M15: 14,135,952 km (0.089 R)
• M16: 14,715,045 km (0.084 R)
• M17: 15,309,996 km (0.11 R)
• M18: 16,075,787 km (0.08 R)
• M19: 17,933,494 km (0.089 R)
• M20: 19,661,199 km (0.119 R)
• M21: 23,643,794 km (0.092 R)
• M22: 24,458,803 km (0.05 R)
• M23: 24,769,219 km (0.082 R)
• M24: 26,469,099 km (0.102 R)
• M25: 26,905,925 km (0.05 R)
• M26: 27,906,286 km (0.113 R)
• M27: 33,408,795 km (0.115 R)
• M28: 33,790,868 km (0.104 R)
• M29: 37,773,313 km (0.092 R)
• M30: 38,049,321 km (0.034 R)
• M31: 42,205,299 km (0.119 R)
• M32: 43,251,886 km (0.107 R)
• M33: 49,731,269 km (0.064 R)
• M34: 55,749,890 km (0.073 R)
• M35: 59,397,835 km (0.079 R)
• M36: 60,145,974 km (0.087 R)
• M37: 63,201,660 km (0.027 R)
• M38: 64,570,331 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 10,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit