🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.37 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.4

Radius: 13.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.07 AU - 3.41 AU

Year: 3025 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,651,285 km

• M1: 162,912 km (0.055 R)
• M2: 693,685 km (0.084 R)
• M3: 1,395,000 km (0.071 R)
• M4: 1,821,504 km (0.095 R)
• M5: 2,569,343 km (0.098 R)
• M6: 3,476,355 km (0.1 R)
• M7: 4,677,477 km (0.069 R)
• M8: 5,249,090 km (0.068 R)
• M9: 5,813,822 km (0.119 R)
• M10: 7,373,529 km (0.084 R)
• M11: 8,944,756 km (0.11 R)
• M12: 9,453,389 km (0.045 R)
• M13: 11,220,588 km (0.119 R)
• M14: 13,198,571 km (0.12 R)
• M15: 16,025,672 km (0.04 R)
• M16: 17,162,167 km (0.092 R)
• M17: 18,526,051 km (0.098 R)
• M18: 19,234,546 km (0.078 R)
• M19: 20,831,653 km (0.097 R)

Asteroid Belt

Center: 3.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.5

Radius: 11.6

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.12 AU - 4.7 AU

Year: 5156 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,651,285 km

• M1: 144,362 km (0.111 R)
• M2: 991,535 km (0.113 R)
• M3: 1,517,222 km (0.097 R)
• M4: 1,958,236 km (0.069 R)
• M5: 2,406,431 km (0.073 R)
• M6: 3,123,304 km (0.047 R)
• M7: 4,532,217 km (0.056 R)
• M8: 4,981,459 km (0.112 R)
• M9: 5,711,348 km (0.105 R)
• M10: 6,296,874 km (0.114 R)
• M11: 6,730,259 km (0.105 R)
• M12: 9,126,517 km (0.043 R)
• M13: 9,561,698 km (0.093 R)
• M14: 14,496,333 km (0.071 R)
• M15: 16,908,599 km (0.053 R)
• M16: 18,365,532 km (0.109 R)
• M17: 19,060,713 km (0.058 R)
• M18: 21,737,019 km (0.08 R)
• M19: 22,229,795 km (0.101 R)
• M20: 22,658,243 km (0.113 R)
• M21: 25,578,394 km (0.078 R)
• M22: 27,007,203 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 9.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.87 AU - 5.19 AU

Year: 6429 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,651,285 km

• M1: 119,529 km (0.091 R)
• M2: 810,521 km (0.109 R)
• M3: 1,212,341 km (0.054 R)
• M4: 2,090,331 km (0.093 R)
• M5: 3,344,560 km (0.107 R)
• M6: 4,145,955 km (0.083 R)
• M7: 5,416,939 km (0.108 R)
• M8: 7,035,737 km (0.117 R)
• M9: 7,394,772 km (0.113 R)
• M10: 9,462,813 km (0.1 R)
• M11: 12,660,617 km (0.094 R)
• M12: 14,820,661 km (0.118 R)
• M13: 22,835,517 km (0.099 R)
• M14: 23,624,346 km (0.117 R)
• M15: 24,187,133 km (0.086 R)
• M16: 26,014,471 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.11 AU - 5.39 AU

Year: 6904 Days

Day: 5.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,651,285 km

• M1: 100,380 km (0.096 R)
• M2: 578,944 km (0.106 R)
• M3: 1,642,884 km (0.116 R)
• M4: 2,703,383 km (0.046 R)
• M5: 3,440,751 km (0.096 R)
• M6: 4,140,570 km (0.103 R)
• M7: 4,776,211 km (0.032 R)
• M8: 5,198,825 km (0.062 R)
• M9: 6,778,728 km (0.065 R)
• M10: 7,874,682 km (0.105 R)
• M11: 8,616,987 km (0.107 R)
• M12: 10,676,351 km (0.037 R)
• M13: 14,028,092 km (0.077 R)
• M14: 22,862,145 km (0.07 R)
• M15: 23,531,595 km (0.074 R)
• M16: 24,137,467 km (0.118 R)
• M17: 24,831,601 km (0.052 R)
• M18: 25,144,410 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 4.6

Gravity: 18.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.2 AU - 8.46 AU

Year: 16032 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,651,285 km

• M1: 57,296 km (0.1 R)
• M2: 260,450 km (0.092 R)
• M3: 443,558 km (0.045 R)
• M4: 983,905 km (0.082 R)
• M5: 1,255,725 km (0.06 R)
• M6: 1,546,094 km (0.112 R)
• M7: 1,948,662 km (0.039 R)
• M8: 2,146,729 km (0.077 R)
• M9: 2,959,345 km (0.094 R)
• M10: 3,819,832 km (0.065 R)
• M11: 4,073,101 km (0.091 R)
• M12: 4,218,660 km (0.115 R)
• M13: 4,489,283 km (0.081 R)
• M14: 4,868,064 km (0.084 R)
• M15: 6,247,057 km (0.112 R)
• M16: 6,840,662 km (0.065 R)
• M17: 8,047,767 km (0.04 R)
• M18: 8,417,274 km (0.057 R)
• M19: 9,542,399 km (0.062 R)
• M20: 11,043,165 km (0.043 R)
• M21: 13,005,590 km (0.099 R)
• M22: 14,101,993 km (0.095 R)
• M23: 18,148,316 km (0.081 R)
• M24: 18,863,394 km (0.112 R)
• M25: 19,845,803 km (0.095 R)
• M26: 21,382,622 km (0.078 R)
• M27: 29,394,336 km (0.096 R)
• M28: 30,268,885 km (0.114 R)
• M29: 33,113,638 km (0.042 R)
• M30: 34,419,927 km (0.063 R)
• M31: 37,008,419 km (0.054 R)
• M32: 41,333,443 km (0.067 R)
• M33: 43,828,885 km (0.119 R)
• M34: 44,969,419 km (0.077 R)
• M35: 46,569,817 km (0.084 R)
• M36: 49,576,136 km (0.119 R)
• M37: 53,836,534 km (0.106 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 15,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit