🌌 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: 236.8

Radius: 9.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.62 AU - 0.92 AU

Year: 436 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,571,150 km

• M1: 118,182 km (0.103 R)
• M2: 429,047 km (0.079 R)
• M3: 770,279 km (0.05 R)
• M4: 1,210,247 km (0.115 R)
• M5: 1,953,150 km (0.111 R)
• M6: 2,286,903 km (0.077 R)
• M7: 2,964,282 km (0.106 R)
• M8: 3,397,517 km (0.105 R)
• M9: 3,747,127 km (0.09 R)
• M10: 4,168,993 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.8

Radius: 9.9

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.71 AU - 0.89 AU

Year: 462 Days

Day: 7.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,571,150 km

• M1: 123,269 km (0.085 R)
• M2: 443,857 km (0.108 R)
• M3: 799,451 km (0.088 R)
• M4: 1,232,387 km (0.09 R)
• M5: 1,830,031 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 11.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.89 AU - 1.47 AU

Year: 828 Days

Day: 7.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,571,150 km

• M1: 141,819 km (0.101 R)
• M2: 504,594 km (0.113 R)
• M3: 875,746 km (0.097 R)
• M4: 1,395,299 km (0.058 R)
• M5: 1,806,693 km (0.103 R)
• M6: 2,268,053 km (0.093 R)
• M7: 2,665,086 km (0.107 R)
• M8: 3,417,713 km (0.103 R)
• M9: 3,821,926 km (0.094 R)
• M10: 4,539,099 km (0.081 R)
• M11: 4,921,172 km (0.082 R)
• M12: 6,346,839 km (0.089 R)
• M13: 7,494,853 km (0.055 R)
• M14: 8,181,508 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 12.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.06 AU - 4.36 AU

Year: 4614 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,571,150 km

• M1: 152,141 km (0.114 R)
• M2: 540,647 km (0.052 R)
• M3: 1,337,854 km (0.082 R)
• M4: 2,333,727 km (0.103 R)
• M5: 2,804,362 km (0.07 R)
• M6: 4,089,557 km (0.089 R)
• M7: 4,730,584 km (0.112 R)
• M8: 5,203,014 km (0.105 R)
• M9: 5,985,112 km (0.077 R)
• M10: 6,509,003 km (0.101 R)
• M11: 7,549,157 km (0.104 R)
• M12: 8,408,448 km (0.104 R)
• M13: 9,370,212 km (0.044 R)
• M14: 11,249,610 km (0.098 R)
• M15: 12,049,360 km (0.059 R)
• M16: 12,463,298 km (0.108 R)
• M17: 14,012,683 km (0.102 R)
• M18: 20,450,029 km (0.082 R)
• M19: 21,439,469 km (0.073 R)
• M20: 21,912,049 km (0.111 R)
• M21: 23,018,325 km (0.12 R)
• M22: 24,161,402 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.2

Radius: 12.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.79 AU - 4.33 AU

Year: 5282 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,571,150 km

• M1: 157,975 km (0.095 R)
• M2: 778,956 km (0.104 R)
• M3: 1,901,389 km (0.092 R)
• M4: 3,208,874 km (0.06 R)
• M5: 3,910,488 km (0.062 R)
• M6: 6,237,782 km (0.094 R)
• M7: 6,998,338 km (0.094 R)
• M8: 7,469,870 km (0.114 R)
• M9: 8,819,542 km (0.111 R)
• M10: 14,970,259 km (0.088 R)
• M11: 17,777,313 km (0.052 R)
• M12: 20,168,037 km (0.112 R)
• M13: 21,475,672 km (0.095 R)
• M14: 23,281,318 km (0.03 R)
• M15: 24,874,685 km (0.083 R)
• M16: 25,579,291 km (0.092 R)
• M17: 26,056,508 km (0.109 R)
• M18: 27,192,854 km (0.044 R)
• M19: 27,940,694 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 7.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.88 AU - 7.24 AU

Year: 12112 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 88.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,571,150 km

• M1: 93,199 km (0.059 R)
• M2: 354,547 km (0.056 R)
• M3: 932,144 km (0.077 R)
• M4: 1,271,283 km (0.04 R)
• M5: 1,592,170 km (0.105 R)
• M6: 2,115,314 km (0.078 R)
• M7: 3,130,635 km (0.103 R)
• M8: 4,244,540 km (0.063 R)
• M9: 4,524,288 km (0.085 R)
• M10: 5,470,944 km (0.096 R)
• M11: 5,870,669 km (0.099 R)
• M12: 7,546,016 km (0.094 R)
• M13: 8,647,505 km (0.076 R)
• M14: 11,060,519 km (0.105 R)
• M15: 12,084,666 km (0.104 R)
• M16: 13,889,265 km (0.111 R)
• M17: 14,507,852 km (0.11 R)
• M18: 16,134,579 km (0.117 R)
• M19: 25,566,127 km (0.088 R)
• M20: 26,213,736 km (0.111 R)
• M21: 34,075,403 km (0.101 R)
• M22: 34,410,053 km (0.037 R)
• M23: 36,347,795 km (0.106 R)
• M24: 38,840,394 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.1

Radius: 7.4

Gravity: 16.11 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.86 AU - 9.48 AU

Year: 15078 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,571,150 km

• M1: 95,743 km (0.116 R)
• M2: 332,556 km (0.097 R)
• M3: 772,673 km (0.109 R)
• M4: 1,470,098 km (0.113 R)
• M5: 2,054,128 km (0.113 R)
• M6: 2,421,092 km (0.081 R)
• M7: 3,155,767 km (0.106 R)
• M8: 4,061,133 km (0.056 R)
• M9: 4,811,666 km (0.073 R)
• M10: 6,500,027 km (0.052 R)
• M11: 7,201,791 km (0.025 R)
• M12: 8,755,066 km (0.069 R)
• M13: 9,832,320 km (0.104 R)
• M14: 10,344,842 km (0.08 R)
• M15: 13,731,439 km (0.103 R)
• M16: 14,516,828 km (0.1 R)
• M17: 14,883,492 km (0.055 R)
• M18: 20,230,270 km (0.031 R)
• M19: 20,780,341 km (0.039 R)
• M20: 23,180,040 km (0.083 R)
• M21: 24,087,352 km (0.055 R)
• M22: 25,545,332 km (0.101 R)
• M23: 27,616,964 km (0.112 R)
• M24: 28,407,738 km (0.101 R)
• M25: 30,390,658 km (0.117 R)
• M26: 30,870,269 km (0.084 R)
• M27: 35,814,927 km (0.099 R)
• M28: 36,350,039 km (0.103 R)
• M29: 38,265,191 km (0.054 R)
• M30: 53,764,428 km (0.112 R)
• M31: 56,426,821 km (0.096 R)
• M32: 58,804,380 km (0.057 R)
• M33: 59,175,981 km (0.052 R)
• M34: 59,549,078 km (0.077 R)
• M35: 60,677,944 km (0.105 R)
• M36: 62,012,955 km (0.106 R)
• M37: 64,150,260 km (0.087 R)
• M38: 68,161,128 km (0.026 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: 439 - 13,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit