🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 10.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.65 AU - 0.91 AU

Year: 452 Days

Day: 11.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,384,223 km

• M1: 128,056 km (0.118 R)
• M2: 485,146 km (0.11 R)
• M3: 842,834 km (0.09 R)
• M4: 1,211,294 km (0.065 R)
• M5: 1,533,677 km (0.103 R)
• M6: 1,854,266 km (0.068 R)
• M7: 2,830,541 km (0.118 R)
• M8: 3,241,487 km (0.091 R)
• M9: 3,814,447 km (0.107 R)
• M10: 4,317,694 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 12.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.07 AU - 1.29 AU

Year: 841 Days

Day: 11.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,384,223 km

• M1: 157,975 km (0.075 R)
• M2: 671,844 km (0.069 R)
• M3: 2,832,935 km (0.095 R)
• M4: 3,320,474 km (0.054 R)
• M5: 3,819,084 km (0.05 R)
• M6: 4,896,488 km (0.064 R)
• M7: 5,391,956 km (0.083 R)
• M8: 8,969,589 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 11.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.72 AU - 1.82 AU

Year: 1545 Days

Day: 9.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,384,223 km

• M1: 138,079 km (0.101 R)
• M2: 505,940 km (0.12 R)
• M3: 860,936 km (0.039 R)
• M4: 1,240,914 km (0.06 R)
• M5: 2,135,210 km (0.084 R)
• M6: 2,597,169 km (0.108 R)
• M7: 3,276,044 km (0.119 R)
• M8: 4,550,618 km (0.091 R)
• M9: 5,693,845 km (0.083 R)
• M10: 6,967,820 km (0.089 R)
• M11: 8,306,571 km (0.103 R)
• M12: 9,457,428 km (0.111 R)
• M13: 10,137,500 km (0.071 R)
• M14: 10,506,558 km (0.115 R)
• M15: 11,814,492 km (0.115 R)
• M16: 12,336,738 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 11.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.24 AU - 2.72 AU

Year: 2562 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,384,223 km

• M1: 145,559 km (0.12 R)
• M2: 512,074 km (0.111 R)
• M3: 942,915 km (0.083 R)
• M4: 1,546,094 km (0.12 R)
• M5: 2,255,637 km (0.104 R)
• M6: 3,124,501 km (0.03 R)
• M7: 3,671,281 km (0.098 R)
• M8: 4,662,666 km (0.092 R)
• M9: 5,132,553 km (0.116 R)
• M10: 5,824,294 km (0.061 R)
• M11: 6,815,380 km (0.047 R)
• M12: 7,281,078 km (0.04 R)
• M13: 8,064,672 km (0.118 R)
• M14: 8,775,710 km (0.036 R)
• M15: 9,868,523 km (0.099 R)
• M16: 10,828,343 km (0.116 R)
• M17: 12,933,334 km (0.113 R)
• M18: 15,067,797 km (0.085 R)
• M19: 15,765,671 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 11.7

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.23 AU - 4.89 AU

Year: 6388 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,384,223 km

• M1: 146,157 km (0.101 R)
• M2: 569,669 km (0.066 R)
• M3: 1,244,056 km (0.103 R)
• M4: 2,303,807 km (0.096 R)
• M5: 3,085,456 km (0.103 R)
• M6: 3,986,933 km (0.074 R)
• M7: 4,420,019 km (0.069 R)
• M8: 5,321,047 km (0.085 R)
• M9: 5,720,623 km (0.106 R)
• M10: 6,273,387 km (0.09 R)
• M11: 6,649,925 km (0.083 R)
• M12: 7,077,924 km (0.105 R)
• M13: 9,456,530 km (0.072 R)
• M14: 10,513,888 km (0.097 R)
• M15: 11,395,169 km (0.053 R)
• M16: 13,082,633 km (0.08 R)
• M17: 13,585,880 km (0.109 R)
• M18: 15,729,468 km (0.117 R)
• M19: 16,107,502 km (0.054 R)
• M20: 18,997,134 km (0.07 R)
• M21: 21,980,266 km (0.096 R)
• M22: 25,694,781 km (0.094 R)
• M23: 35,192,600 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.5

Radius: 12.3

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.52 AU - 5.3 AU

Year: 7137 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,384,223 km

• M1: 153,039 km (0.089 R)
• M2: 612,454 km (0.112 R)
• M3: 1,183,768 km (0.06 R)
• M4: 1,675,646 km (0.054 R)
• M5: 2,712,658 km (0.117 R)
• M6: 5,579,253 km (0.098 R)
• M7: 8,880,728 km (0.059 R)
• M8: 9,708,453 km (0.113 R)
• M9: 10,738,434 km (0.071 R)
• M10: 12,278,694 km (0.083 R)
• M11: 12,671,688 km (0.1 R)
• M12: 13,364,924 km (0.062 R)
• M13: 19,320,116 km (0.112 R)
• M14: 21,998,367 km (0.09 R)
• M15: 23,084,896 km (0.115 R)
• M16: 23,512,148 km (0.037 R)
• M17: 24,470,771 km (0.1 R)
• M18: 30,266,043 km (0.072 R)
• M19: 31,504,863 km (0.07 R)
• M20: 32,242,979 km (0.084 R)
• M21: 35,424,177 km (0.061 R)
• M22: 37,383,162 km (0.092 R)
• M23: 37,972,876 km (0.049 R)
• M24: 38,449,196 km (0.12 R)
• M25: 41,390,589 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.3

Radius: 5.2

Gravity: 25.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.63 AU - 10.99 AU

Year: 20156 Days

Day: 21.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,384,223 km

• M1: 66,571 km (0.059 R)
• M2: 307,124 km (0.099 R)
• M3: 666,159 km (0.064 R)
• M4: 911,051 km (0.098 R)
• M5: 1,360,144 km (0.116 R)
• M6: 1,704,369 km (0.113 R)
• M7: 3,655,125 km (0.063 R)
• M8: 5,210,045 km (0.107 R)
• M9: 7,738,249 km (0.108 R)
• M10: 9,043,640 km (0.118 R)
• M11: 9,835,462 km (0.098 R)
• M12: 11,817,185 km (0.119 R)
• M13: 14,725,666 km (0.076 R)
• M14: 16,881,521 km (0.072 R)
• M15: 19,977,748 km (0.056 R)
• M16: 20,259,591 km (0.093 R)
• M17: 37,266,176 km (0.07 R)
• M18: 38,557,056 km (0.088 R)
• M19: 47,266,046 km (0.102 R)
• M20: 59,300,147 km (0.1 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: 514 - 11,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit