🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.45 AU - 0.63 AU

Year: 256 Days

Day: 17.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,924,781 km

• M1: 632,500 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.52 AU - 0.58 AU

Year: 263 Days

Day: 47 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,924,781 km

• M1: 55,650 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.48 AU - 0.64 AU

Year: 271 Days

Day: 42.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 14.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.83 AU - 0.99 AU

Year: 561 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,924,781 km

• M1: 186,399 km (0.085 R)
• M2: 677,080 km (0.095 R)
• M3: 2,345,395 km (0.112 R)
• M4: 3,694,170 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 10.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.43 AU - 4.63 AU

Year: 5224 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,924,781 km

• M1: 138,378 km (0.105 R)
• M2: 537,655 km (0.113 R)
• M3: 1,028,336 km (0.066 R)
• M4: 1,358,349 km (0.077 R)
• M5: 1,725,163 km (0.074 R)
• M6: 2,077,166 km (0.107 R)
• M7: 2,601,357 km (0.071 R)
• M8: 3,086,054 km (0.111 R)
• M9: 3,493,559 km (0.095 R)
• M10: 4,172,135 km (0.109 R)
• M11: 4,554,956 km (0.042 R)
• M12: 5,035,315 km (0.117 R)
• M13: 7,050,847 km (0.063 R)
• M14: 7,629,043 km (0.093 R)
• M15: 8,734,571 km (0.073 R)
• M16: 10,182,529 km (0.057 R)
• M17: 11,090,737 km (0.114 R)
• M18: 12,692,033 km (0.077 R)
• M19: 14,493,191 km (0.101 R)
• M20: 14,903,837 km (0.109 R)
• M21: 15,375,370 km (0.095 R)
• M22: 17,075,699 km (0.1 R)
• M23: 17,708,199 km (0.105 R)
• M24: 18,897,951 km (0.094 R)
• M25: 20,077,081 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 14.9

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.23 AU - 4.95 AU

Year: 6349 Days

Day: 6.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,924,781 km

• M1: 211,681 km (0.107 R)
• M2: 720,015 km (0.103 R)
• M3: 1,808,189 km (0.113 R)
• M4: 2,337,467 km (0.073 R)
• M5: 4,487,338 km (0.076 R)
• M6: 5,194,337 km (0.076 R)
• M7: 6,899,005 km (0.11 R)
• M8: 7,734,509 km (0.084 R)
• M9: 12,058,636 km (0.1 R)
• M10: 22,619,198 km (0.108 R)
• M11: 27,411,715 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.1

Radius: 5.5

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.93 AU - 6.33 AU

Year: 9800 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,924,781 km

• M1: 95,743 km (0.051 R)
• M2: 463,903 km (0.085 R)
• M3: 639,830 km (0.072 R)
• M4: 1,384,079 km (0.045 R)
• M5: 1,836,763 km (0.11 R)
• M6: 2,046,798 km (0.112 R)
• M7: 2,901,152 km (0.106 R)
• M8: 3,232,810 km (0.102 R)
• M9: 3,443,743 km (0.107 R)
• M10: 3,919,315 km (0.078 R)
• M11: 4,668,950 km (0.119 R)
• M12: 6,783,067 km (0.088 R)
• M13: 7,287,511 km (0.06 R)
• M14: 7,858,227 km (0.059 R)
• M15: 11,704,089 km (0.093 R)
• M16: 11,979,498 km (0.045 R)
• M17: 14,090,623 km (0.07 R)
• M18: 14,339,554 km (0.117 R)
• M19: 14,846,242 km (0.106 R)
• M20: 18,806,996 km (0.08 R)
• M21: 19,033,038 km (0.075 R)
• M22: 19,490,658 km (0.104 R)
• M23: 20,666,647 km (0.1 R)
• M24: 23,245,564 km (0.1 R)
• M25: 23,593,230 km (0.051 R)
• M26: 30,252,280 km (0.097 R)
• M27: 42,298,948 km (0.115 R)
• M28: 43,339,401 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.2

Radius: 7.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.69 AU - 7.87 AU

Year: 12683 Days

Day: 23.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,924,781 km

• M1: 95,443 km (0.11 R)
• M2: 351,705 km (0.05 R)
• M3: 641,924 km (0.056 R)
• M4: 1,566,738 km (0.071 R)
• M5: 2,202,978 km (0.095 R)
• M6: 2,508,457 km (0.111 R)
• M7: 3,040,128 km (0.078 R)
• M8: 3,419,957 km (0.117 R)
• M9: 4,779,502 km (0.11 R)
• M10: 5,089,619 km (0.105 R)
• M11: 6,568,394 km (0.11 R)
• M12: 6,916,658 km (0.081 R)
• M13: 7,204,185 km (0.103 R)
• M14: 7,612,288 km (0.102 R)
• M15: 8,035,949 km (0.068 R)
• M16: 8,475,019 km (0.038 R)
• M17: 8,762,695 km (0.103 R)
• M18: 9,099,590 km (0.107 R)
• M19: 9,665,219 km (0.088 R)
• M20: 11,108,689 km (0.054 R)
• M21: 14,013,730 km (0.105 R)
• M22: 16,610,749 km (0.073 R)
• M23: 17,192,236 km (0.102 R)
• M24: 18,533,082 km (0.057 R)
• M25: 18,948,665 km (0.057 R)
• M26: 19,942,294 km (0.087 R)
• M27: 21,955,881 km (0.083 R)
• M28: 23,131,272 km (0.101 R)
• M29: 23,693,909 km (0.047 R)
• M30: 30,594,410 km (0.109 R)
• M31: 31,077,462 km (0.069 R)
• M32: 32,357,571 km (0.104 R)
• M33: 33,570,061 km (0.083 R)
• M34: 35,022,507 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.6

Radius: 6.3

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.44 AU - 12.74 AU

Year: 23846 Days

Day: 24.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,924,781 km

• M1: 87,066 km (0.103 R)
• M2: 313,408 km (0.065 R)
• M3: 543,339 km (0.086 R)
• M4: 900,130 km (0.066 R)
• M5: 1,404,275 km (0.109 R)
• M6: 2,297,225 km (0.066 R)
• M7: 3,315,986 km (0.073 R)
• M8: 5,444,465 km (0.119 R)
• M9: 6,071,130 km (0.065 R)
• M10: 6,791,295 km (0.093 R)
• M11: 10,433,853 km (0.116 R)
• M12: 11,597,874 km (0.089 R)
• M13: 12,631,895 km (0.082 R)
• M14: 12,917,776 km (0.073 R)
• M15: 16,522,486 km (0.114 R)
• M16: 19,297,677 km (0.118 R)
• M17: 21,547,030 km (0.104 R)
• M18: 25,296,252 km (0.056 R)
• M19: 28,714,563 km (0.052 R)
• M20: 29,084,818 km (0.108 R)
• M21: 29,835,051 km (0.084 R)
• M22: 31,113,814 km (0.111 R)
• M23: 31,766,659 km (0.068 R)
• M24: 32,162,794 km (0.114 R)
• M25: 35,734,743 km (0.115 R)
• M26: 38,656,090 km (0.114 R)
• M27: 39,562,503 km (0.048 R)
• M28: 45,301,227 km (0.118 R)
• M29: 46,139,723 km (0.034 R)
• M30: 48,367,984 km (0.07 R)
• M31: 49,420,405 km (0.099 R)
• M32: 50,846,970 km (0.108 R)
• M33: 58,591,801 km (0.061 R)
• M34: 58,988,535 km (0.059 R)
• M35: 59,987,998 km (0.074 R)
• M36: 60,189,357 km (0.082 R)
• M37: 69,055,125 km (0.097 R)
• M38: 74,492,409 km (0.113 R)
• M39: 78,752,657 km (0.078 R)
• M40: 80,942,322 km (0.116 R)
• M41: 81,928,471 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 14,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit