🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.6

Radius: 13.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.4 AU - 0.64 AU

Year: 264 Days

Day: 7 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,666,610 km

• M1: 169,195 km (0.051 R)
• M2: 594,801 km (0.118 R)
• M3: 1,125,574 km (0.115 R)
• M4: 1,583,493 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705

Radius: 8.3

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.99 AU - 1.35 AU

Year: 890 Days

Day: 8.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,666,610 km

• M1: 103,971 km (0.077 R)
• M2: 436,826 km (0.071 R)
• M3: 1,158,336 km (0.074 R)
• M4: 1,870,123 km (0.079 R)
• M5: 2,747,664 km (0.078 R)
• M6: 3,474,859 km (0.109 R)
• M7: 4,408,200 km (0.097 R)
• M8: 6,024,755 km (0.099 R)
• M9: 6,364,193 km (0.108 R)
• M10: 7,411,976 km (0.106 R)
• M11: 7,977,157 km (0.112 R)
• M12: 8,257,503 km (0.091 R)
• M13: 8,623,719 km (0.115 R)
• M14: 9,615,403 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 11.5

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.77 AU - 1.85 AU

Year: 1712 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,666,610 km

• M1: 143,165 km (0.105 R)
• M2: 582,833 km (0.091 R)
• M3: 1,072,766 km (0.079 R)
• M4: 1,509,742 km (0.048 R)
• M5: 1,942,229 km (0.071 R)
• M6: 2,576,674 km (0.109 R)
• M7: 3,459,152 km (0.102 R)
• M8: 4,653,541 km (0.099 R)
• M9: 5,446,559 km (0.056 R)
• M10: 5,887,723 km (0.084 R)
• M11: 6,841,859 km (0.096 R)
• M12: 7,722,990 km (0.083 R)
• M13: 8,709,139 km (0.114 R)
• M14: 9,088,071 km (0.111 R)
• M15: 9,477,773 km (0.06 R)
• M16: 10,431,011 km (0.084 R)
• M17: 12,290,662 km (0.101 R)
• M18: 12,768,029 km (0.074 R)
• M19: 13,340,540 km (0.098 R)
• M20: 14,231,395 km (0.116 R)
• M21: 14,757,980 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.6

Radius: 10.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.7 AU - 2.24 AU

Year: 1944 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,666,610 km

• M1: 125,662 km (0.071 R)
• M2: 475,572 km (0.109 R)
• M3: 996,920 km (0.112 R)
• M4: 1,732,044 km (0.073 R)
• M5: 2,998,540 km (0.028 R)
• M6: 3,452,270 km (0.083 R)
• M7: 3,791,408 km (0.083 R)
• M8: 4,400,272 km (0.114 R)
• M9: 4,779,502 km (0.095 R)
• M10: 5,202,416 km (0.103 R)
• M11: 5,696,238 km (0.052 R)
• M12: 6,419,843 km (0.051 R)
• M13: 6,962,135 km (0.061 R)
• M14: 7,646,994 km (0.039 R)
• M15: 8,167,595 km (0.115 R)
• M16: 9,671,951 km (0.061 R)
• M17: 11,316,032 km (0.073 R)
• M18: 12,185,195 km (0.097 R)
• M19: 12,815,601 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 9.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.89 AU - 2.33 AU

Year: 2154 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,666,610 km

• M1: 120,576 km (0.115 R)
• M2: 653,144 km (0.094 R)
• M3: 1,016,368 km (0.066 R)
• M4: 1,413,101 km (0.066 R)
• M5: 1,758,523 km (0.093 R)
• M6: 2,273,738 km (0.102 R)
• M7: 2,637,859 km (0.111 R)
• M8: 3,382,557 km (0.106 R)
• M9: 3,731,719 km (0.057 R)
• M10: 4,066,519 km (0.088 R)
• M11: 4,818,547 km (0.099 R)
• M12: 5,494,131 km (0.1 R)
• M13: 5,978,679 km (0.085 R)
• M14: 6,308,692 km (0.085 R)
• M15: 7,033,344 km (0.083 R)
• M16: 7,752,910 km (0.066 R)
• M17: 8,146,053 km (0.117 R)
• M18: 9,748,994 km (0.081 R)
• M19: 10,351,425 km (0.053 R)
• M20: 10,903,291 km (0.056 R)
• M21: 13,054,060 km (0.081 R)
• M22: 13,785,893 km (0.088 R)
• M23: 15,284,414 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 10.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.88 AU - 2.44 AU

Year: 2231 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,666,610 km

• M1: 137,331 km (0.04 R)
• M2: 543,938 km (0.062 R)
• M3: 967,749 km (0.087 R)
• M4: 1,327,382 km (0.059 R)
• M5: 1,694,345 km (0.109 R)
• M6: 2,046,349 km (0.061 R)
• M7: 2,768,458 km (0.092 R)
• M8: 3,565,216 km (0.048 R)
• M9: 4,367,061 km (0.092 R)
• M10: 4,715,624 km (0.085 R)
• M11: 6,023,109 km (0.115 R)
• M12: 6,640,649 km (0.084 R)
• M13: 8,184,948 km (0.066 R)
• M14: 9,106,770 km (0.115 R)
• M15: 10,454,049 km (0.03 R)
• M16: 12,573,851 km (0.104 R)
• M17: 14,285,400 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.8

Radius: 4.5

Gravity: 40.73 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.67 AU - 7.53 AU

Year: 13298 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 61,666,610 km

• M1: 67,917 km (0.076 R)
• M2: 239,955 km (0.066 R)
• M3: 602,431 km (0.088 R)
• M4: 1,151,305 km (0.116 R)
• M5: 1,786,947 km (0.116 R)
• M6: 1,981,723 km (0.098 R)
• M7: 2,269,998 km (0.092 R)
• M8: 2,697,549 km (0.054 R)
• M9: 3,544,572 km (0.119 R)
• M10: 5,023,048 km (0.063 R)
• M11: 5,975,089 km (0.104 R)
• M12: 6,171,062 km (0.048 R)
• M13: 6,869,534 km (0.073 R)
• M14: 7,348,846 km (0.057 R)
• M15: 7,896,823 km (0.116 R)
• M16: 8,132,888 km (0.114 R)
• M17: 8,276,801 km (0.095 R)
• M18: 8,718,863 km (0.086 R)
• M19: 8,869,658 km (0.106 R)
• M20: 9,176,483 km (0.081 R)
• M21: 9,385,022 km (0.039 R)
• M22: 11,768,715 km (0.096 R)
• M23: 12,453,873 km (0.083 R)
• M24: 13,165,211 km (0.117 R)
• M25: 15,608,743 km (0.116 R)
• M26: 17,132,397 km (0.084 R)
• M27: 18,011,434 km (0.113 R)
• M28: 20,472,169 km (0.105 R)
• M29: 21,007,730 km (0.066 R)
• M30: 24,820,232 km (0.064 R)
• M31: 30,317,205 km (0.07 R)
• M32: 30,779,762 km (0.065 R)
• M33: 31,956,798 km (0.109 R)
• M34: 32,919,759 km (0.057 R)
• M35: 34,026,036 km (0.115 R)
• M36: 43,197,432 km (0.086 R)
• M37: 43,636,203 km (0.099 R)
• M38: 44,820,569 km (0.093 R)
• M39: 52,879,407 km (0.12 R)
• M40: 54,394,983 km (0.081 R)
• M41: 56,809,642 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 20,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit