🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 11.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.69 AU - 0.77 AU

Year: 397 Days

Day: 13.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,882,557 km

• M1: 144,212 km (0.054 R)
• M2: 547,229 km (0.056 R)
• M3: 1,228,199 km (0.113 R)
• M4: 1,668,764 km (0.119 R)
• M5: 2,555,580 km (0.092 R)
• M6: 2,920,749 km (0.119 R)
• M7: 3,938,314 km (0.111 R)
• M8: 4,457,418 km (0.118 R)
• M9: 5,194,038 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.4

Radius: 13

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.6 AU - 1.62 AU

Year: 1299 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,882,557 km

• M1: 161,715 km (0.051 R)
• M2: 572,810 km (0.114 R)
• M3: 1,038,658 km (0.094 R)
• M4: 1,902,287 km (0.064 R)
• M5: 2,590,736 km (0.078 R)
• M6: 4,072,652 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 13.4

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.78 AU - 2.46 AU

Year: 1963 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,882,557 km

• M1: 166,652 km (0.102 R)
• M2: 700,866 km (0.103 R)
• M3: 1,178,981 km (0.093 R)
• M4: 1,657,245 km (0.039 R)
• M5: 2,146,430 km (0.104 R)
• M6: 2,796,583 km (0.062 R)
• M7: 3,218,897 km (0.116 R)
• M8: 3,715,862 km (0.102 R)
• M9: 4,194,724 km (0.058 R)
• M10: 4,808,824 km (0.077 R)
• M11: 5,607,527 km (0.098 R)
• M12: 6,061,257 km (0.112 R)
• M13: 7,702,495 km (0.102 R)
• M14: 8,683,109 km (0.106 R)
• M15: 9,174,239 km (0.112 R)
• M16: 10,212,598 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 8.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2 AU - 3.1 AU

Year: 2589 Days

Day: 7.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,882,557 km

• M1: 109,805 km (0.119 R)
• M2: 417,677 km (0.083 R)
• M3: 822,190 km (0.047 R)
• M4: 1,331,571 km (0.044 R)
• M5: 1,826,889 km (0.073 R)
• M6: 2,118,156 km (0.095 R)
• M7: 2,560,368 km (0.088 R)
• M8: 3,097,873 km (0.109 R)
• M9: 3,991,122 km (0.117 R)
• M10: 4,554,208 km (0.119 R)
• M11: 5,758,321 km (0.076 R)
• M12: 6,363,145 km (0.086 R)
• M13: 7,255,198 km (0.102 R)
• M14: 8,817,149 km (0.107 R)
• M15: 10,039,962 km (0.083 R)
• M16: 11,414,467 km (0.102 R)
• M17: 11,798,335 km (0.083 R)
• M18: 12,235,011 km (0.106 R)
• M19: 13,002,000 km (0.056 R)
• M20: 15,187,026 km (0.097 R)
• M21: 15,703,887 km (0.108 R)
• M22: 17,102,926 km (0.089 R)
• M23: 17,946,808 km (0.03 R)
• M24: 19,535,388 km (0.089 R)
• M25: 20,645,105 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 13.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.23 AU - 4.51 AU

Year: 4841 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,882,557 km

• M1: 164,109 km (0.077 R)
• M2: 581,188 km (0.094 R)
• M3: 1,051,673 km (0.055 R)
• M4: 1,644,529 km (0.07 R)
• M5: 2,122,195 km (0.086 R)
• M6: 2,945,582 km (0.116 R)
• M7: 3,500,291 km (0.101 R)
• M8: 4,440,364 km (0.119 R)
• M9: 6,071,430 km (0.11 R)
• M10: 7,694,417 km (0.116 R)
• M11: 11,074,132 km (0.11 R)
• M12: 12,658,373 km (0.064 R)
• M13: 13,629,114 km (0.104 R)
• M14: 17,834,310 km (0.097 R)
• M15: 20,590,053 km (0.104 R)
• M16: 21,455,775 km (0.116 R)
• M17: 22,000,611 km (0.119 R)
• M18: 22,976,139 km (0.085 R)
• M19: 23,474,599 km (0.042 R)
• M20: 24,199,101 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 8.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.14 AU - 4.16 AU

Year: 5375 Days

Day: 11.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,882,557 km

• M1: 105,766 km (0.084 R)
• M2: 703,409 km (0.103 R)
• M3: 1,136,794 km (0.112 R)
• M4: 1,494,034 km (0.046 R)
• M5: 1,887,476 km (0.113 R)
• M6: 2,276,730 km (0.099 R)
• M7: 2,670,621 km (0.114 R)
• M8: 3,383,904 km (0.118 R)
• M9: 3,694,768 km (0.119 R)
• M10: 4,791,321 km (0.079 R)
• M11: 5,059,250 km (0.062 R)
• M12: 5,598,700 km (0.109 R)
• M13: 6,119,301 km (0.099 R)
• M14: 6,975,749 km (0.06 R)
• M15: 9,597,601 km (0.115 R)
• M16: 11,001,128 km (0.079 R)
• M17: 11,297,482 km (0.109 R)
• M18: 12,128,947 km (0.082 R)
• M19: 13,141,874 km (0.068 R)
• M20: 13,668,907 km (0.105 R)
• M21: 14,919,396 km (0.104 R)
• M22: 17,359,636 km (0.063 R)
• M23: 18,945,074 km (0.062 R)
• M24: 20,881,768 km (0.074 R)
• M25: 21,599,689 km (0.067 R)
• M26: 22,401,384 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.6

Radius: 8.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.77 AU - 7.37 AU

Year: 9509 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,882,557 km

• M1: 102,026 km (0.098 R)
• M2: 502,350 km (0.113 R)
• M3: 774,319 km (0.105 R)
• M4: 1,525,599 km (0.101 R)
• M5: 2,481,679 km (0.118 R)
• M6: 2,921,048 km (0.057 R)
• M7: 5,188,204 km (0.104 R)
• M8: 7,325,808 km (0.096 R)
• M9: 9,166,460 km (0.1 R)
• M10: 10,261,965 km (0.1 R)
• M11: 10,817,721 km (0.062 R)
• M12: 11,989,222 km (0.08 R)
• M13: 12,763,092 km (0.061 R)
• M14: 14,582,352 km (0.112 R)
• M15: 17,593,009 km (0.044 R)
• M16: 26,320,848 km (0.057 R)
• M17: 27,273,637 km (0.104 R)
• M18: 27,537,378 km (0.046 R)
• M19: 31,604,944 km (0.117 R)
• M20: 32,188,824 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit