🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.6

Radius: 10.4

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.48 AU - 0.54 AU

Year: 251 Days

Day: 6.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,114,172 km

• M1: 129,402 km (0.103 R)
• M2: 457,321 km (0.072 R)
• M3: 814,411 km (0.054 R)
• M4: 1,260,512 km (0.112 R)
• M5: 1,681,031 km (0.113 R)
• M6: 2,068,639 km (0.115 R)
• M7: 2,489,309 km (0.104 R)
• M8: 2,829,943 km (0.108 R)
• M9: 3,307,908 km (0.046 R)
• M10: 3,721,397 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 9.6

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.74 AU - 0.88 AU

Year: 503 Days

Day: 8.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,114,172 km

• M1: 119,379 km (0.047 R)
• M2: 419,173 km (0.047 R)
• M3: 853,755 km (0.117 R)
• M4: 1,279,361 km (0.07 R)
• M5: 2,279,872 km (0.113 R)
• M6: 2,679,148 km (0.102 R)
• M7: 3,879,222 km (0.093 R)
• M8: 5,030,976 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 9.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.88 AU - 1.08 AU

Year: 670 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,114,172 km

• M1: 117,135 km (0.095 R)
• M2: 418,575 km (0.101 R)
• M3: 810,820 km (0.104 R)
• M4: 1,188,555 km (0.112 R)
• M5: 1,591,871 km (0.095 R)
• M6: 2,014,036 km (0.085 R)
• M7: 2,310,240 km (0.054 R)
• M8: 2,635,615 km (0.098 R)
• M9: 3,050,301 km (0.08 R)
• M10: 3,418,162 km (0.025 R)
• M11: 4,011,317 km (0.039 R)
• M12: 4,546,429 km (0.056 R)
• M13: 4,912,644 km (0.095 R)
• M14: 6,401,592 km (0.112 R)
• M15: 6,821,813 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.9

Radius: 11.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1 AU - 1.04 AU

Year: 711 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,114,172 km

• M1: 146,756 km (0.046 R)
• M2: 525,238 km (0.064 R)
• M3: 1,011,730 km (0.116 R)
• M4: 1,530,087 km (0.106 R)
• M5: 1,941,930 km (0.118 R)
• M6: 2,625,742 km (0.059 R)
• M7: 3,007,067 km (0.109 R)
• M8: 3,503,582 km (0.1 R)
• M9: 3,897,324 km (0.077 R)
• M10: 4,366,163 km (0.096 R)
• M11: 4,889,158 km (0.115 R)
• M12: 5,453,590 km (0.086 R)
• M13: 6,061,107 km (0.118 R)
• M14: 6,450,959 km (0.09 R)
• M15: 7,477,650 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 12.7

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.09 AU - 1.35 AU

Year: 930 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 142.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,114,172 km

• M1: 196,272 km (0.065 R)
• M2: 607,966 km (0.076 R)
• M3: 1,075,010 km (0.095 R)
• M4: 1,599,800 km (0.095 R)
• M5: 2,147,777 km (0.109 R)
• M6: 3,653,180 km (0.119 R)
• M7: 5,510,138 km (0.076 R)
• M8: 5,935,744 km (0.07 R)
• M9: 6,537,427 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 12.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.55 AU - 3.17 AU

Year: 3339 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,114,172 km

• M1: 150,495 km (0.11 R)
• M2: 565,929 km (0.119 R)
• M3: 1,072,018 km (0.093 R)
• M4: 1,579,454 km (0.037 R)
• M5: 2,287,501 km (0.077 R)
• M6: 2,723,728 km (0.053 R)
• M7: 3,179,852 km (0.062 R)
• M8: 3,806,817 km (0.118 R)
• M9: 4,652,643 km (0.059 R)
• M10: 5,157,686 km (0.078 R)
• M11: 6,656,656 km (0.114 R)
• M12: 7,174,115 km (0.114 R)
• M13: 7,685,441 km (0.051 R)
• M14: 8,781,545 km (0.049 R)
• M15: 10,334,670 km (0.102 R)
• M16: 13,161,471 km (0.073 R)
• M17: 13,541,749 km (0.109 R)
• M18: 13,929,507 km (0.082 R)
• M19: 14,374,411 km (0.069 R)
• M20: 14,931,214 km (0.099 R)
• M21: 17,530,776 km (0.085 R)
• M22: 18,937,744 km (0.118 R)
• M23: 19,668,978 km (0.03 R)
• M24: 22,376,849 km (0.113 R)
• M25: 22,919,441 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.9

Radius: 7.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.73 AU - 10.19 AU

Year: 18513 Days

Day: 24.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,114,172 km

• M1: 89,609 km (0.043 R)
• M2: 365,767 km (0.084 R)
• M3: 599,439 km (0.101 R)
• M4: 838,047 km (0.093 R)
• M5: 1,171,651 km (0.102 R)
• M6: 2,267,156 km (0.116 R)
• M7: 3,324,962 km (0.111 R)
• M8: 5,735,283 km (0.079 R)
• M9: 6,205,469 km (0.078 R)
• M10: 7,116,371 km (0.03 R)
• M11: 9,369,763 km (0.097 R)
• M12: 9,977,729 km (0.101 R)
• M13: 10,473,497 km (0.11 R)
• M14: 15,049,247 km (0.118 R)
• M15: 17,901,480 km (0.079 R)
• M16: 19,178,148 km (0.114 R)
• M17: 22,289,335 km (0.076 R)
• M18: 24,084,360 km (0.081 R)
• M19: 31,362,745 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 18,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit