🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 9.4

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.62 AU - 0.7 AU

Year: 358 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,996,148 km

• M1: 116,986 km (0.105 R)
• M2: 528,380 km (0.039 R)
• M3: 893,698 km (0.111 R)
• M4: 1,211,444 km (0.093 R)
• M5: 1,618,948 km (0.052 R)
• M6: 1,968,259 km (0.105 R)
• M7: 2,411,518 km (0.098 R)
• M8: 3,673,376 km (0.117 R)
• M9: 4,786,683 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 13.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.8 AU - 1.12 AU

Year: 627 Days

Day: 6.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,996,148 km

• M1: 163,361 km (0.09 R)
• M2: 631,602 km (0.12 R)
• M3: 1,328,279 km (0.102 R)
• M4: 1,737,280 km (0.09 R)
• M5: 2,232,150 km (0.071 R)
• M6: 2,950,968 km (0.097 R)
• M7: 3,872,490 km (0.07 R)
• M8: 5,467,802 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 13

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.45 AU - 1.79 AU

Year: 1375 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,996,148 km

• M1: 165,006 km (0.119 R)
• M2: 640,279 km (0.115 R)
• M3: 1,308,233 km (0.119 R)
• M4: 2,896,963 km (0.077 R)
• M5: 3,639,267 km (0.09 R)
• M6: 5,754,432 km (0.092 R)
• M7: 6,506,011 km (0.069 R)
• M8: 7,626,051 km (0.079 R)
• M9: 11,151,324 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 9.5

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.44 AU - 1.9 AU

Year: 1439 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,996,148 km

• M1: 121,773 km (0.102 R)
• M2: 444,306 km (0.071 R)
• M3: 987,346 km (0.084 R)
• M4: 1,306,737 km (0.089 R)
• M5: 1,716,187 km (0.083 R)
• M6: 2,013,139 km (0.108 R)
• M7: 3,089,346 km (0.104 R)
• M8: 3,434,917 km (0.085 R)
• M9: 4,074,597 km (0.118 R)
• M10: 4,730,733 km (0.101 R)
• M11: 6,301,810 km (0.1 R)
• M12: 6,628,083 km (0.045 R)
• M13: 7,260,134 km (0.087 R)
• M14: 8,644,513 km (0.063 R)
• M15: 9,270,430 km (0.115 R)
• M16: 9,693,344 km (0.084 R)
• M17: 11,111,831 km (0.088 R)
• M18: 13,023,243 km (0.052 R)
• M19: 13,471,438 km (0.115 R)
• M20: 14,184,421 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 12.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.96 AU - 3.34 AU

Year: 3728 Days

Day: 7 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,996,148 km

• M1: 159,172 km (0.12 R)
• M2: 846,724 km (0.1 R)
• M3: 1,258,417 km (0.046 R)
• M4: 1,808,189 km (0.086 R)
• M5: 3,154,570 km (0.037 R)
• M6: 3,569,106 km (0.113 R)
• M7: 4,377,982 km (0.108 R)
• M8: 5,430,253 km (0.114 R)
• M9: 6,029,841 km (0.109 R)
• M10: 7,208,523 km (0.114 R)
• M11: 9,023,594 km (0.092 R)
• M12: 9,567,681 km (0.106 R)
• M13: 13,444,361 km (0.029 R)
• M14: 16,652,487 km (0.087 R)
• M15: 17,251,178 km (0.054 R)
• M16: 18,723,520 km (0.11 R)
• M17: 21,024,036 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660

Radius: 6.9

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.28 AU - 10.42 AU

Year: 16090 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,996,148 km

• M1: 86,168 km (0.1 R)
• M2: 416,181 km (0.067 R)
• M3: 678,426 km (0.097 R)
• M4: 1,137,093 km (0.053 R)
• M5: 1,392,307 km (0.104 R)
• M6: 1,769,444 km (0.096 R)
• M7: 2,253,243 km (0.071 R)
• M8: 2,893,223 km (0.116 R)
• M9: 3,140,059 km (0.083 R)
• M10: 3,848,704 km (0.034 R)
• M11: 5,319,850 km (0.082 R)
• M12: 6,446,172 km (0.094 R)
• M13: 7,538,087 km (0.107 R)
• M14: 8,496,561 km (0.099 R)
• M15: 10,251,792 km (0.104 R)
• M16: 10,479,780 km (0.102 R)
• M17: 14,178,886 km (0.117 R)
• M18: 16,630,197 km (0.09 R)
• M19: 20,409,039 km (0.116 R)
• M20: 23,125,886 km (0.086 R)
• M21: 23,617,465 km (0.061 R)
• M22: 24,317,433 km (0.113 R)
• M23: 27,583,903 km (0.08 R)
• M24: 29,379,227 km (0.046 R)
• M25: 32,952,671 km (0.094 R)
• M26: 33,952,434 km (0.114 R)
• M27: 35,359,701 km (0.098 R)
• M28: 36,805,564 km (0.077 R)
• M29: 42,542,194 km (0.072 R)
• M30: 48,365,889 km (0.086 R)
• M31: 50,145,954 km (0.11 R)
• M32: 54,007,973 km (0.12 R)
• M33: 57,883,306 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.3

Radius: 4

Gravity: 40.46 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.64 AU - 10.82 AU

Year: 23438 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,996,148 km

• M1: 60,737 km (0.109 R)
• M2: 227,838 km (0.053 R)
• M3: 713,283 km (0.067 R)
• M4: 957,277 km (0.116 R)
• M5: 1,196,334 km (0.061 R)
• M6: 2,157,650 km (0.087 R)
• M7: 2,403,140 km (0.092 R)
• M8: 8,018,595 km (0.048 R)
• M9: 8,335,893 km (0.112 R)
• M10: 11,052,739 km (0.102 R)
• M11: 11,780,084 km (0.098 R)
• M12: 12,259,246 km (0.113 R)
• M13: 14,229,749 km (0.054 R)
• M14: 15,818,628 km (0.045 R)
• M15: 16,570,807 km (0.092 R)
• M16: 17,258,957 km (0.109 R)
• M17: 18,508,997 km (0.095 R)
• M18: 23,896,465 km (0.101 R)
• M19: 28,136,068 km (0.045 R)
• M20: 31,397,900 km (0.104 R)
• M21: 34,209,592 km (0.076 R)
• M22: 34,485,900 km (0.102 R)
• M23: 39,563,700 km (0.07 R)
• M24: 43,967,861 km (0.109 R)
• M25: 47,477,427 km (0.1 R)
• M26: 49,212,464 km (0.055 R)
• M27: 54,107,156 km (0.044 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: 506 - 11,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit