🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 11.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 5 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,868,555 km

• M1: 146,456 km (0.097 R)
• M2: 515,963 km (0.087 R)
• M3: 934,987 km (0.061 R)
• M4: 1,349,223 km (0.081 R)
• M5: 2,185,475 km (0.088 R)
• M6: 2,662,244 km (0.082 R)
• M7: 3,118,517 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 12.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.09 AU - 1.11 AU

Year: 782 Days

Day: 7.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,868,555 km

• M1: 157,975 km (0.079 R)
• M2: 556,504 km (0.081 R)
• M3: 958,174 km (0.094 R)
• M4: 1,593,666 km (0.12 R)
• M5: 2,138,651 km (0.045 R)
• M6: 3,369,393 km (0.074 R)
• M7: 4,059,937 km (0.105 R)
• M8: 4,708,144 km (0.098 R)
• M9: 5,523,303 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.1

Radius: 9.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.99 AU - 1.57 AU

Year: 982 Days

Day: 8.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,868,555 km

• M1: 115,041 km (0.041 R)
• M2: 417,228 km (0.096 R)
• M3: 870,660 km (0.11 R)
• M4: 1,209,948 km (0.082 R)
• M5: 1,570,927 km (0.037 R)
• M6: 1,926,222 km (0.11 R)
• M7: 2,248,755 km (0.108 R)
• M8: 4,192,331 km (0.083 R)
• M9: 8,214,120 km (0.075 R)
• M10: 9,126,218 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 8.8

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.06 AU - 1.5 AU

Year: 982 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,868,555 km

• M1: 109,506 km (0.06 R)
• M2: 402,867 km (0.084 R)
• M3: 693,536 km (0.08 R)
• M4: 1,131,857 km (0.102 R)
• M5: 1,792,930 km (0.113 R)
• M6: 2,247,259 km (0.07 R)
• M7: 2,536,881 km (0.108 R)
• M8: 2,813,936 km (0.087 R)
• M9: 3,604,411 km (0.117 R)
• M10: 4,381,422 km (0.111 R)
• M11: 5,863,339 km (0.069 R)
• M12: 6,616,714 km (0.09 R)
• M13: 8,552,660 km (0.073 R)
• M14: 9,693,792 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 11.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.31 AU - 2.05 AU

Year: 1477 Days

Day: 12.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,868,555 km

• M1: 146,905 km (0.108 R)
• M2: 921,074 km (0.045 R)
• M3: 1,317,808 km (0.119 R)
• M4: 1,728,454 km (0.112 R)
• M5: 2,386,236 km (0.105 R)
• M6: 2,903,246 km (0.112 R)
• M7: 3,444,790 km (0.09 R)
• M8: 4,183,056 km (0.054 R)
• M9: 4,550,318 km (0.12 R)
• M10: 5,152,899 km (0.117 R)
• M11: 5,691,301 km (0.093 R)
• M12: 6,543,560 km (0.047 R)
• M13: 7,284,968 km (0.097 R)
• M14: 8,935,481 km (0.029 R)
• M15: 10,154,853 km (0.084 R)
• M16: 12,720,307 km (0.11 R)
• M17: 13,125,119 km (0.028 R)
• M18: 14,088,679 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 9.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.61 AU - 2.35 AU

Year: 1890 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,868,555 km

• M1: 114,442 km (0.091 R)
• M2: 438,621 km (0.054 R)
• M3: 925,712 km (0.087 R)
• M4: 1,342,940 km (0.114 R)
• M5: 1,672,355 km (0.116 R)
• M6: 2,323,405 km (0.068 R)
• M7: 3,507,920 km (0.053 R)
• M8: 4,910,401 km (0.041 R)
• M9: 5,264,798 km (0.063 R)
• M10: 8,448,989 km (0.12 R)
• M11: 8,959,117 km (0.046 R)
• M12: 10,786,006 km (0.069 R)
• M13: 11,314,835 km (0.058 R)
• M14: 13,242,852 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.4

Radius: 14.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.17 AU - 3.59 AU

Year: 3315 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,868,555 km

• M1: 178,321 km (0.064 R)
• M2: 733,927 km (0.092 R)
• M3: 1,674,599 km (0.095 R)
• M4: 2,435,154 km (0.068 R)
• M5: 3,288,311 km (0.104 R)
• M6: 3,785,574 km (0.101 R)
• M7: 4,444,702 km (0.114 R)
• M8: 6,922,791 km (0.059 R)
• M9: 8,012,911 km (0.089 R)
• M10: 8,634,789 km (0.086 R)
• M11: 9,140,729 km (0.074 R)
• M12: 11,537,287 km (0.029 R)
• M13: 12,927,650 km (0.118 R)
• M14: 13,495,074 km (0.11 R)
• M15: 15,245,220 km (0.066 R)
• M16: 19,010,449 km (0.079 R)
• M17: 21,205,498 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.1

Radius: 4.8

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.44 AU - 9.74 AU

Year: 15607 Days

Day: 23.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,868,555 km

• M1: 59,690 km (0.074 R)
• M2: 367,263 km (0.099 R)
• M3: 1,337,704 km (0.117 R)
• M4: 3,051,198 km (0.037 R)
• M5: 3,427,586 km (0.105 R)
• M6: 4,358,384 km (0.083 R)
• M7: 4,928,951 km (0.111 R)
• M8: 5,086,926 km (0.117 R)
• M9: 5,615,754 km (0.12 R)
• M10: 7,177,407 km (0.096 R)
• M11: 7,798,986 km (0.112 R)
• M12: 8,913,490 km (0.072 R)
• M13: 11,844,262 km (0.107 R)
• M14: 15,158,752 km (0.076 R)
• M15: 15,561,320 km (0.08 R)
• M16: 16,954,974 km (0.106 R)
• M17: 19,669,577 km (0.089 R)
• M18: 22,056,560 km (0.089 R)
• M19: 28,396,219 km (0.113 R)
• M20: 31,868,834 km (0.083 R)
• M21: 32,197,800 km (0.115 R)
• M22: 37,653,186 km (0.093 R)
• M23: 38,267,584 km (0.084 R)
• M24: 43,963,972 km (0.118 R)
• M25: 47,439,579 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 13,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit