🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.1

Radius: 14.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,821,355 km

• M1: 176,525 km (0.108 R)
• M2: 682,017 km (0.091 R)
• M3: 1,250,788 km (0.061 R)
• M4: 2,425,879 km (0.104 R)
• M5: 3,005,421 km (0.067 R)
• M6: 3,710,626 km (0.11 R)
• M7: 4,244,540 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 12.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.82 AU - 0.98 AU

Year: 569 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,821,355 km

• M1: 159,172 km (0.1 R)
• M2: 754,272 km (0.086 R)
• M3: 1,816,417 km (0.103 R)
• M4: 2,218,985 km (0.045 R)
• M5: 2,649,677 km (0.045 R)
• M6: 3,160,853 km (0.101 R)
• M7: 4,757,811 km (0.097 R)
• M8: 5,412,301 km (0.051 R)
• M9: 6,164,330 km (0.104 R)
• M10: 7,132,078 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 12.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.68 AU - 3.72 AU

Year: 3817 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,821,355 km

• M1: 159,920 km (0.073 R)
• M2: 561,291 km (0.107 R)
• M3: 958,623 km (0.116 R)
• M4: 1,402,929 km (0.119 R)
• M5: 2,090,780 km (0.07 R)
• M6: 2,605,097 km (0.082 R)
• M7: 3,114,927 km (0.053 R)
• M8: 3,593,640 km (0.11 R)
• M9: 4,078,936 km (0.096 R)
• M10: 4,494,070 km (0.072 R)
• M11: 4,889,307 km (0.11 R)
• M12: 8,108,504 km (0.07 R)
• M13: 8,733,075 km (0.101 R)
• M14: 10,678,745 km (0.053 R)
• M15: 11,818,681 km (0.108 R)
• M16: 14,389,370 km (0.086 R)
• M17: 17,199,866 km (0.09 R)
• M18: 20,930,238 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.9

Radius: 15

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.26 AU - 5.26 AU

Year: 5863 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,821,355 km

• M1: 186,549 km (0.074 R)
• M2: 698,173 km (0.081 R)
• M3: 1,333,665 km (0.101 R)
• M4: 2,726,272 km (0.085 R)
• M5: 3,679,360 km (0.034 R)
• M6: 4,796,407 km (0.115 R)
• M7: 6,100,302 km (0.11 R)
• M8: 7,528,962 km (0.112 R)
• M9: 8,110,149 km (0.113 R)
• M10: 9,170,948 km (0.085 R)
• M11: 11,346,849 km (0.072 R)
• M12: 12,158,717 km (0.089 R)
• M13: 14,255,630 km (0.086 R)
• M14: 14,723,273 km (0.078 R)
• M15: 15,525,865 km (0.055 R)
• M16: 17,749,189 km (0.109 R)
• M17: 19,983,433 km (0.094 R)
• M18: 21,641,576 km (0.113 R)
• M19: 22,609,325 km (0.118 R)
• M20: 24,261,633 km (0.063 R)
• M21: 24,929,737 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.8

Radius: 6.6

Gravity: 20.63 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.03 AU - 10.47 AU

Year: 18760 Days

Day: 22.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,821,355 km

• M1: 82,578 km (0.084 R)
• M2: 296,204 km (0.111 R)
• M3: 570,716 km (0.059 R)
• M4: 810,072 km (0.115 R)
• M5: 1,467,406 km (0.102 R)
• M6: 2,256,684 km (0.085 R)
• M7: 2,480,632 km (0.073 R)
• M8: 3,771,512 km (0.12 R)
• M9: 4,320,835 km (0.026 R)
• M10: 4,775,912 km (0.076 R)
• M11: 5,699,380 km (0.087 R)
• M12: 9,989,847 km (0.119 R)
• M13: 10,659,596 km (0.116 R)
• M14: 12,430,087 km (0.111 R)
• M15: 14,387,725 km (0.111 R)
• M16: 14,849,234 km (0.097 R)
• M17: 15,801,724 km (0.073 R)
• M18: 17,478,566 km (0.11 R)
• M19: 18,003,954 km (0.113 R)
• M20: 22,081,693 km (0.086 R)
• M21: 23,215,794 km (0.027 R)
• M22: 24,496,801 km (0.097 R)
• M23: 27,082,451 km (0.088 R)
• M24: 29,597,340 km (0.087 R)
• M25: 36,202,834 km (0.12 R)
• M26: 41,369,646 km (0.043 R)
• M27: 43,566,939 km (0.056 R)
• M28: 46,504,892 km (0.088 R)
• M29: 47,343,837 km (0.116 R)
• M30: 49,051,945 km (0.095 R)
• M31: 55,917,739 km (0.074 R)
• M32: 59,186,303 km (0.101 R)
• M33: 64,843,646 km (0.103 R)
• M34: 66,312,248 km (0.109 R)
• M35: 69,315,725 km (0.099 R)
• M36: 77,218,831 km (0.075 R)
• M37: 79,821,385 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 13,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit