🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510

Radius: 9.7

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,820,237 km

• M1: 121,025 km (0.07 R)
• M2: 454,628 km (0.081 R)
• M3: 790,326 km (0.053 R)
• M4: 1,272,928 km (0.118 R)
• M5: 1,741,469 km (0.079 R)
• M6: 2,156,902 km (0.063 R)
• M7: 2,496,938 km (0.094 R)
• M8: 2,890,829 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.3

Radius: 10.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 6.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,820,237 km

• M1: 134,638 km (0.046 R)
• M2: 487,240 km (0.109 R)
• M3: 1,228,647 km (0.077 R)
• M4: 2,008,351 km (0.079 R)
• M5: 2,426,477 km (0.096 R)
• M6: 3,566,563 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.4

Radius: 11.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.63 AU - 0.93 AU

Year: 459 Days

Day: 13.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,820,237 km

• M1: 141,819 km (0.038 R)
• M2: 518,805 km (0.106 R)
• M3: 1,002,755 km (0.027 R)
• M4: 1,518,269 km (0.109 R)
• M5: 1,887,028 km (0.08 R)
• M6: 2,610,333 km (0.068 R)
• M7: 3,168,184 km (0.115 R)
• M8: 3,533,203 km (0.061 R)
• M9: 4,309,316 km (0.066 R)
• M10: 4,703,058 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.4

Radius: 9.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.93 AU - 1.49 AU

Year: 888 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,820,237 km

• M1: 118,332 km (0.081 R)
• M2: 485,146 km (0.04 R)
• M3: 862,282 km (0.084 R)
• M4: 1,302,100 km (0.073 R)
• M5: 1,715,738 km (0.115 R)
• M6: 2,042,460 km (0.09 R)
• M7: 2,861,209 km (0.09 R)
• M8: 3,338,875 km (0.083 R)
• M9: 3,978,406 km (0.115 R)
• M10: 4,437,222 km (0.099 R)
• M11: 5,078,698 km (0.108 R)
• M12: 6,091,924 km (0.075 R)
• M13: 7,449,974 km (0.062 R)
• M14: 7,844,015 km (0.051 R)
• M15: 8,200,058 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 10

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.51 AU - 1.51 AU

Year: 1237 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,820,237 km

• M1: 124,465 km (0.088 R)
• M2: 478,115 km (0.054 R)
• M3: 829,071 km (0.077 R)
• M4: 1,374,356 km (0.096 R)
• M5: 1,710,502 km (0.082 R)
• M6: 2,272,691 km (0.111 R)
• M7: 2,630,080 km (0.109 R)
• M8: 3,554,445 km (0.076 R)
• M9: 4,056,496 km (0.117 R)
• M10: 5,140,781 km (0.109 R)
• M11: 5,563,844 km (0.119 R)
• M12: 6,033,133 km (0.102 R)
• M13: 6,923,988 km (0.108 R)
• M14: 7,708,928 km (0.112 R)
• M15: 8,235,961 km (0.092 R)
• M16: 8,551,912 km (0.113 R)
• M17: 9,177,829 km (0.097 R)
• M18: 9,706,508 km (0.042 R)
• M19: 11,415,514 km (0.061 R)
• M20: 12,100,822 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 14.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.2 AU - 4.78 AU

Year: 5315 Days

Day: 14.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,820,237 km

• M1: 177,573 km (0.107 R)
• M2: 634,295 km (0.034 R)
• M3: 1,318,406 km (0.083 R)
• M4: 2,557,974 km (0.093 R)
• M5: 3,191,222 km (0.048 R)
• M6: 3,838,083 km (0.097 R)
• M7: 4,853,703 km (0.078 R)
• M8: 5,482,014 km (0.089 R)
• M9: 6,164,180 km (0.094 R)
• M10: 7,735,108 km (0.084 R)
• M11: 8,672,637 km (0.101 R)
• M12: 9,600,892 km (0.062 R)
• M13: 14,757,082 km (0.032 R)
• M14: 15,961,943 km (0.105 R)
• M15: 20,663,804 km (0.107 R)
• M16: 21,951,393 km (0.083 R)
• M17: 22,540,510 km (0.115 R)
• M18: 24,765,180 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 10.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.87 AU - 6.31 AU

Year: 8813 Days

Day: 8.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,820,237 km

• M1: 134,339 km (0.072 R)
• M2: 491,429 km (0.114 R)
• M3: 872,904 km (0.095 R)
• M4: 1,560,455 km (0.048 R)
• M5: 1,939,985 km (0.112 R)
• M6: 2,416,754 km (0.104 R)
• M7: 3,223,984 km (0.097 R)
• M8: 3,922,157 km (0.069 R)
• M9: 4,689,893 km (0.065 R)
• M10: 5,337,054 km (0.076 R)
• M11: 6,076,067 km (0.101 R)
• M12: 7,066,555 km (0.078 R)
• M13: 9,546,887 km (0.092 R)
• M14: 10,343,945 km (0.116 R)
• M15: 10,684,729 km (0.052 R)
• M16: 11,805,067 km (0.092 R)
• M17: 13,863,534 km (0.11 R)
• M18: 17,971,342 km (0.074 R)
• M19: 21,069,215 km (0.075 R)
• M20: 23,321,859 km (0.067 R)
• M21: 26,811,978 km (0.086 R)
• M22: 29,745,741 km (0.083 R)
• M23: 31,037,220 km (0.109 R)
• M24: 34,160,075 km (0.076 R)
• M25: 37,144,403 km (0.035 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 12,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit