🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 14.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.87 AU - 0.91 AU

Year: 560 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,416,252 km

• M1: 181,761 km (0.088 R)
• M2: 662,868 km (0.061 R)
• M3: 1,132,755 km (0.055 R)
• M4: 1,754,035 km (0.093 R)
• M5: 2,421,690 km (0.038 R)
• M6: 2,894,868 km (0.055 R)
• M7: 3,612,041 km (0.11 R)
• M8: 4,539,697 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.9

Radius: 9.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.81 AU - 1.31 AU

Year: 728 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,416,252 km

• M1: 114,442 km (0.112 R)
• M2: 539,899 km (0.044 R)
• M3: 1,393,803 km (0.085 R)
• M4: 2,635,466 km (0.085 R)
• M5: 3,486,079 km (0.11 R)
• M6: 3,799,636 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.6

Radius: 10.6

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.94 AU - 1.22 AU

Year: 748 Days

Day: 5.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,416,252 km

• M1: 132,544 km (0.076 R)
• M2: 468,840 km (0.092 R)
• M3: 873,652 km (0.03 R)
• M4: 1,266,645 km (0.12 R)
• M5: 1,763,908 km (0.112 R)
• M6: 2,154,060 km (0.072 R)
• M7: 2,582,957 km (0.096 R)
• M8: 2,931,071 km (0.107 R)
• M9: 4,170,340 km (0.117 R)
• M10: 4,553,460 km (0.062 R)
• M11: 5,111,161 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 12.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.8 AU - 2.68 AU

Year: 2236 Days

Day: 12.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,416,252 km

• M1: 154,235 km (0.101 R)
• M2: 599,139 km (0.096 R)
• M3: 993,779 km (0.052 R)
• M4: 1,684,771 km (0.088 R)
• M5: 2,071,931 km (0.116 R)
• M6: 3,562,972 km (0.104 R)
• M7: 4,286,278 km (0.095 R)
• M8: 4,794,013 km (0.098 R)
• M9: 5,363,832 km (0.033 R)
• M10: 6,266,206 km (0.107 R)
• M11: 7,707,881 km (0.094 R)
• M12: 8,612,200 km (0.116 R)
• M13: 9,264,147 km (0.107 R)
• M14: 9,848,925 km (0.114 R)
• M15: 10,252,241 km (0.111 R)
• M16: 10,666,777 km (0.102 R)
• M17: 11,092,383 km (0.065 R)
• M18: 11,677,610 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 10.4

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.93 AU - 3.41 AU

Year: 3764 Days

Day: 9.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,416,252 km

• M1: 130,150 km (0.077 R)
• M2: 641,027 km (0.104 R)
• M3: 1,113,008 km (0.086 R)
• M4: 1,928,317 km (0.11 R)
• M5: 3,449,428 km (0.12 R)
• M6: 3,952,825 km (0.085 R)
• M7: 5,734,834 km (0.089 R)
• M8: 6,979,788 km (0.072 R)
• M9: 8,178,216 km (0.092 R)
• M10: 8,921,867 km (0.111 R)
• M11: 11,110,933 km (0.085 R)
• M12: 12,401,663 km (0.081 R)
• M13: 13,892,705 km (0.034 R)
• M14: 15,723,185 km (0.059 R)
• M15: 16,176,167 km (0.04 R)
• M16: 16,579,782 km (0.032 R)
• M17: 17,108,461 km (0.118 R)
• M18: 19,660,751 km (0.061 R)
• M19: 21,891,404 km (0.095 R)
• M20: 23,616,268 km (0.094 R)
• M21: 24,361,116 km (0.109 R)
• M22: 26,291,527 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.2

Radius: 8.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.74 AU - 6.44 AU

Year: 8813 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,416,252 km

• M1: 103,223 km (0.083 R)
• M2: 982,559 km (0.099 R)
• M3: 4,082,227 km (0.117 R)
• M4: 4,743,150 km (0.08 R)
• M5: 6,514,838 km (0.096 R)
• M6: 8,772,120 km (0.097 R)
• M7: 11,353,880 km (0.115 R)
• M8: 11,657,564 km (0.118 R)
• M9: 12,981,654 km (0.039 R)
• M10: 14,110,969 km (0.05 R)
• M11: 23,175,104 km (0.111 R)
• M12: 27,103,394 km (0.073 R)
• M13: 27,829,093 km (0.069 R)
• M14: 32,762,981 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.7

Radius: 5.2

Gravity: 23.69 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.9 AU - 7.44 AU

Year: 11487 Days

Day: 15.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,416,252 km

• M1: 64,776 km (0.045 R)
• M2: 267,182 km (0.056 R)
• M3: 513,569 km (0.118 R)
• M4: 697,575 km (0.073 R)
• M5: 1,179,878 km (0.062 R)
• M6: 1,383,032 km (0.101 R)
• M7: 2,118,755 km (0.085 R)
• M8: 2,772,647 km (0.08 R)
• M9: 3,205,434 km (0.106 R)
• M10: 3,896,426 km (0.108 R)
• M11: 4,090,754 km (0.066 R)
• M12: 4,379,627 km (0.072 R)
• M13: 4,870,009 km (0.098 R)
• M14: 5,886,975 km (0.087 R)
• M15: 6,522,168 km (0.074 R)
• M16: 6,717,543 km (0.047 R)
• M17: 7,326,855 km (0.112 R)
• M18: 8,286,226 km (0.072 R)
• M19: 9,034,664 km (0.108 R)
• M20: 11,379,910 km (0.088 R)
• M21: 13,908,413 km (0.093 R)
• M22: 14,232,293 km (0.108 R)
• M23: 16,425,846 km (0.103 R)
• M24: 18,212,045 km (0.037 R)
• M25: 19,877,518 km (0.08 R)
• M26: 20,621,468 km (0.116 R)
• M27: 25,000,347 km (0.116 R)
• M28: 26,258,166 km (0.103 R)
• M29: 27,052,830 km (0.05 R)
• M30: 29,320,883 km (0.099 R)
• M31: 29,960,714 km (0.078 R)
• M32: 34,702,667 km (0.116 R)
• M33: 38,127,411 km (0.07 R)
• M34: 44,231,453 km (0.103 R)
• M35: 47,368,071 km (0.102 R)
• M36: 48,101,101 km (0.034 R)
• M37: 48,841,610 km (0.04 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 16,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit