🌌 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: 974.7

Radius: 11.7

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.58 AU - 0.76 AU

Year: 379 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,532,918 km

• M1: 145,559 km (0.053 R)
• M2: 548,426 km (0.108 R)
• M3: 1,043,894 km (0.037 R)
• M4: 1,414,149 km (0.11 R)
• M5: 1,843,345 km (0.097 R)
• M6: 2,323,105 km (0.109 R)
• M7: 3,263,478 km (0.117 R)
• M8: 3,788,865 km (0.084 R)
• M9: 4,840,987 km (0.097 R)
• M10: 5,361,588 km (0.059 R)
• M11: 5,901,935 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 14.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.18 AU - 1.62 AU

Year: 1143 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,532,918 km

• M1: 184,005 km (0.104 R)
• M2: 777,011 km (0.11 R)
• M3: 1,289,384 km (0.089 R)
• M4: 2,308,445 km (0.055 R)
• M5: 2,933,465 km (0.047 R)
• M6: 3,815,643 km (0.088 R)
• M7: 4,927,155 km (0.095 R)
• M8: 5,559,356 km (0.086 R)
• M9: 7,470,469 km (0.046 R)
• M10: 8,058,089 km (0.117 R)
• M11: 10,232,644 km (0.055 R)
• M12: 11,968,428 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 11.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.77 AU - 2.29 AU

Year: 1996 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,532,918 km

• M1: 146,008 km (0.095 R)
• M2: 548,127 km (0.1 R)
• M3: 928,704 km (0.073 R)
• M4: 1,327,831 km (0.077 R)
• M5: 1,843,644 km (0.076 R)
• M6: 2,284,659 km (0.101 R)
• M7: 2,696,352 km (0.077 R)
• M8: 3,939,959 km (0.096 R)
• M9: 7,693,519 km (0.096 R)
• M10: 8,227,434 km (0.115 R)
• M11: 8,722,753 km (0.113 R)
• M12: 9,637,544 km (0.106 R)
• M13: 10,258,674 km (0.027 R)
• M14: 11,016,836 km (0.077 R)
• M15: 12,483,344 km (0.074 R)
• M16: 14,339,554 km (0.077 R)
• M17: 15,519,283 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 12.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.07 AU - 2.71 AU

Year: 2550 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,532,918 km

• M1: 157,975 km (0.077 R)
• M2: 687,103 km (0.052 R)
• M3: 1,111,213 km (0.042 R)
• M4: 1,593,816 km (0.103 R)
• M5: 2,166,177 km (0.075 R)
• M6: 2,665,086 km (0.066 R)
• M7: 3,549,658 km (0.104 R)
• M8: 3,973,918 km (0.119 R)
• M9: 4,515,462 km (0.075 R)
• M10: 5,290,529 km (0.074 R)
• M11: 5,747,401 km (0.09 R)
• M12: 6,522,766 km (0.031 R)
• M13: 7,308,155 km (0.101 R)
• M14: 8,833,455 km (0.089 R)
• M15: 10,264,957 km (0.104 R)
• M16: 11,565,112 km (0.073 R)
• M17: 12,421,261 km (0.073 R)
• M18: 14,306,044 km (0.04 R)
• M19: 15,680,400 km (0.051 R)
• M20: 16,224,188 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 13.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.12 AU - 2.84 AU

Year: 2696 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,532,918 km

• M1: 167,101 km (0.074 R)
• M2: 743,950 km (0.071 R)
• M3: 1,399,189 km (0.117 R)
• M4: 1,830,031 km (0.101 R)
• M5: 2,408,526 km (0.083 R)
• M6: 3,090,094 km (0.105 R)
• M7: 4,125,311 km (0.102 R)
• M8: 4,794,013 km (0.105 R)
• M9: 6,348,784 km (0.04 R)
• M10: 6,905,288 km (0.074 R)
• M11: 7,719,549 km (0.114 R)
• M12: 8,457,665 km (0.089 R)
• M13: 9,690,501 km (0.099 R)
• M14: 10,350,228 km (0.092 R)
• M15: 10,998,435 km (0.037 R)
• M16: 11,417,160 km (0.081 R)
• M17: 13,293,865 km (0.041 R)
• M18: 14,158,242 km (0.106 R)
• M19: 16,976,965 km (0.113 R)
• M20: 18,813,578 km (0.063 R)
• M21: 19,353,177 km (0.101 R)
• M22: 19,903,099 km (0.065 R)
• M23: 20,337,980 km (0.106 R)
• M24: 21,162,564 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 10.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.39 AU - 6.17 AU

Year: 8375 Days

Day: 12.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,532,918 km

• M1: 149,448 km (0.089 R)
• M2: 722,109 km (0.073 R)
• M3: 1,058,555 km (0.074 R)
• M4: 2,518,630 km (0.093 R)
• M5: 2,880,507 km (0.105 R)
• M6: 3,393,777 km (0.1 R)
• M7: 5,437,284 km (0.107 R)
• M8: 8,948,945 km (0.07 R)
• M9: 10,293,680 km (0.086 R)
• M10: 11,549,853 km (0.118 R)
• M11: 12,788,524 km (0.087 R)
• M12: 24,044,267 km (0.032 R)
• M13: 25,404,411 km (0.1 R)
• M14: 27,394,063 km (0.056 R)
• M15: 33,093,443 km (0.078 R)
• M16: 34,208,246 km (0.043 R)
• M17: 39,288,590 km (0.111 R)
• M18: 41,172,924 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.1

Radius: 4.6

Gravity: 43.1 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.61 AU - 10.57 AU

Year: 22123 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 89,532,918 km

• M1: 57,296 km (0.053 R)
• M2: 236,215 km (0.105 R)
• M3: 536,757 km (0.109 R)
• M4: 783,743 km (0.069 R)
• M5: 1,009,935 km (0.107 R)
• M6: 1,593,816 km (0.089 R)
• M7: 1,741,170 km (0.106 R)
• M8: 2,377,709 km (0.068 R)
• M9: 2,907,435 km (0.058 R)
• M10: 4,372,447 km (0.095 R)
• M11: 5,163,221 km (0.103 R)
• M12: 5,698,183 km (0.114 R)
• M13: 6,134,111 km (0.055 R)
• M14: 7,321,021 km (0.044 R)
• M15: 8,653,339 km (0.057 R)
• M16: 10,014,530 km (0.101 R)
• M17: 10,975,397 km (0.093 R)
• M18: 14,862,698 km (0.117 R)
• M19: 17,878,741 km (0.12 R)
• M20: 19,480,784 km (0.054 R)
• M21: 22,430,406 km (0.115 R)
• M22: 24,743,039 km (0.119 R)
• M23: 25,781,099 km (0.083 R)
• M24: 27,943,685 km (0.041 R)
• M25: 30,616,102 km (0.073 R)
• M26: 31,543,309 km (0.119 R)
• M27: 32,081,563 km (0.051 R)
• M28: 32,762,831 km (0.054 R)
• M29: 34,721,965 km (0.062 R)
• M30: 44,339,911 km (0.06 R)
• M31: 52,335,768 km (0.1 R)
• M32: 54,426,697 km (0.08 R)
• M33: 54,812,809 km (0.106 R)
• M34: 62,710,530 km (0.112 R)
• M35: 66,598,279 km (0.083 R)
• M36: 69,277,428 km (0.069 R)
• M37: 72,726,406 km (0.071 R)
• M38: 80,713,138 km (0.176 R)
• M39: 81,719,333 km (0.063 R)
• M40: 83,499,996 km (0.088 R)
• M41: 86,350,285 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 15,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit