🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 9.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.57 AU - 0.67 AU

Year: 337 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,244,005 km

• M1: 122,221 km (0.054 R)
• M2: 673,789 km (0.086 R)
• M3: 1,038,209 km (0.025 R)
• M4: 1,387,819 km (0.088 R)
• M5: 1,764,357 km (0.109 R)
• M6: 2,512,197 km (0.087 R)
• M7: 3,068,103 km (0.113 R)
• M8: 3,563,720 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.58 AU - 0.78 AU

Year: 387 Days

Day: 5.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,244,005 km

• M1: 169,494 km (0.053 R)
• M2: 656,585 km (0.064 R)
• M3: 1,079,947 km (0.081 R)
• M4: 1,510,789 km (0.109 R)
• M5: 1,954,197 km (0.104 R)
• M6: 2,552,738 km (0.071 R)
• M7: 2,982,084 km (0.101 R)
• M8: 4,616,441 km (0.084 R)
• M9: 5,117,444 km (0.047 R)
• M10: 5,773,431 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 13.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.59 AU - 2.73 AU

Year: 2995 Days

Day: 6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,244,005 km

• M1: 166,652 km (0.099 R)
• M2: 858,093 km (0.097 R)
• M3: 1,838,408 km (0.083 R)
• M4: 2,754,845 km (0.095 R)
• M5: 3,268,115 km (0.099 R)
• M6: 4,207,440 km (0.096 R)
• M7: 10,230,849 km (0.105 R)
• M8: 10,820,564 km (0.081 R)
• M9: 12,149,292 km (0.085 R)
• M10: 13,540,253 km (0.108 R)
• M11: 14,297,218 km (0.108 R)
• M12: 15,223,528 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 13.7

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.8 AU - 4.4 AU

Year: 4715 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 126.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,244,005 km

• M1: 170,691 km (0.109 R)
• M2: 636,090 km (0.115 R)
• M3: 1,106,575 km (0.053 R)
• M4: 2,724,028 km (0.046 R)
• M5: 3,459,451 km (0.05 R)
• M6: 4,899,031 km (0.084 R)
• M7: 7,238,293 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 11.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.06 AU - 5.46 AU

Year: 7168 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 125.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,244,005 km

• M1: 154,535 km (0.053 R)
• M2: 665,262 km (0.109 R)
• M3: 2,483,175 km (0.097 R)
• M4: 4,250,973 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.2

Radius: 5.6

Gravity: 24.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.48 AU - 9.13 AU

Year: 13614 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,244,005 km

• M1: 69,713 km (0.078 R)
• M2: 314,156 km (0.058 R)
• M3: 753,375 km (0.04 R)
• M4: 1,020,257 km (0.086 R)
• M5: 1,253,780 km (0.1 R)
• M6: 1,745,358 km (0.048 R)
• M7: 2,081,954 km (0.076 R)
• M8: 2,418,848 km (0.107 R)
• M9: 2,655,661 km (0.085 R)
• M10: 3,076,779 km (0.115 R)
• M11: 6,755,690 km (0.115 R)
• M12: 13,276,213 km (0.071 R)
• M13: 15,794,394 km (0.106 R)
• M14: 17,009,278 km (0.088 R)
• M15: 17,480,511 km (0.114 R)
• M16: 19,030,345 km (0.057 R)
• M17: 21,115,889 km (0.085 R)
• M18: 23,061,858 km (0.062 R)
• M19: 23,736,096 km (0.062 R)
• M20: 33,735,816 km (0.072 R)
• M21: 36,775,495 km (0.084 R)
• M22: 37,562,978 km (0.09 R)
• M23: 39,717,636 km (0.116 R)
• M24: 42,525,289 km (0.047 R)
• M25: 46,827,125 km (0.069 R)
• M26: 49,479,047 km (0.092 R)
• M27: 52,891,075 km (0.117 R)
• M28: 54,231,023 km (0.112 R)
• M29: 55,937,636 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.4

Radius: 6.2

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.71 AU - 11.79 AU

Year: 22652 Days

Day: 16.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,244,005 km

• M1: 77,492 km (0.108 R)
• M2: 463,005 km (0.092 R)
• M3: 861,385 km (0.054 R)
• M4: 1,576,762 km (0.094 R)
• M5: 2,433,359 km (0.109 R)
• M6: 2,938,401 km (0.116 R)
• M7: 4,570,963 km (0.111 R)
• M8: 5,156,489 km (0.055 R)
• M9: 5,599,000 km (0.082 R)
• M10: 7,258,339 km (0.108 R)
• M11: 8,348,010 km (0.026 R)
• M12: 9,062,340 km (0.111 R)
• M13: 12,138,222 km (0.118 R)
• M14: 14,656,851 km (0.103 R)
• M15: 19,623,351 km (0.114 R)
• M16: 29,008,224 km (0.107 R)
• M17: 32,824,017 km (0.119 R)
• M18: 33,323,374 km (0.088 R)
• M19: 34,081,686 km (0.085 R)
• M20: 44,861,260 km (0.113 R)
• M21: 49,938,612 km (0.092 R)
• M22: 54,335,742 km (0.054 R)
• M23: 62,162,403 km (0.082 R)
• M24: 64,473,541 km (0.104 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: 246 - 10,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit