🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.5

Radius: 9.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.98 AU - 1.28 AU

Year: 776 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,018,612 km

• M1: 136,284 km (0.074 R)
• M2: 607,218 km (0.029 R)
• M3: 1,111,961 km (0.082 R)
• M4: 2,034,980 km (0.082 R)
• M5: 2,606,892 km (0.1 R)
• M6: 3,185,687 km (0.062 R)
• M7: 3,528,864 km (0.109 R)
• M8: 4,008,475 km (0.086 R)
• M9: 4,329,961 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.6

Radius: 13.8

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.96 AU - 1.58 AU

Year: 924 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,018,612 km

• M1: 171,589 km (0.08 R)
• M2: 613,501 km (0.099 R)
• M3: 1,389,764 km (0.076 R)
• M4: 1,909,318 km (0.087 R)
• M5: 2,503,371 km (0.041 R)
• M6: 3,824,320 km (0.06 R)
• M7: 5,358,297 km (0.112 R)
• M8: 6,423,433 km (0.114 R)
• M9: 7,109,340 km (0.081 R)
• M10: 8,267,377 km (0.104 R)
• M11: 9,161,224 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.43 AU - 2.13 AU

Year: 1533 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,018,612 km

• M1: 184,903 km (0.093 R)
• M2: 704,456 km (0.074 R)
• M3: 1,327,980 km (0.088 R)
• M4: 2,024,957 km (0.115 R)
• M5: 2,727,768 km (0.049 R)
• M6: 3,478,599 km (0.109 R)
• M7: 4,254,863 km (0.083 R)
• M8: 4,762,747 km (0.08 R)
• M9: 6,367,035 km (0.081 R)
• M10: 8,109,102 km (0.11 R)
• M11: 9,045,435 km (0.101 R)
• M12: 9,634,851 km (0.093 R)
• M13: 10,449,262 km (0.061 R)
• M14: 11,344,605 km (0.042 R)
• M15: 12,067,761 km (0.07 R)
• M16: 12,859,882 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 11.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.91 AU - 2.67 AU

Year: 2238 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,018,612 km

• M1: 139,575 km (0.12 R)
• M2: 1,321,847 km (0.09 R)
• M3: 2,054,128 km (0.043 R)
• M4: 2,754,546 km (0.109 R)
• M5: 3,744,883 km (0.08 R)
• M6: 4,499,006 km (0.037 R)
• M7: 4,851,908 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.2

Radius: 11.2

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.86 AU - 3.22 AU

Year: 3422 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,018,612 km

• M1: 139,276 km (0.062 R)
• M2: 1,185,264 km (0.067 R)
• M3: 1,534,725 km (0.09 R)
• M4: 1,954,646 km (0.044 R)
• M5: 2,771,749 km (0.032 R)
• M6: 3,499,393 km (0.06 R)
• M7: 3,929,936 km (0.099 R)
• M8: 4,512,171 km (0.047 R)
• M9: 6,192,753 km (0.119 R)
• M10: 7,078,074 km (0.093 R)
• M11: 7,435,164 km (0.106 R)
• M12: 8,507,182 km (0.031 R)
• M13: 8,911,396 km (0.088 R)
• M14: 12,342,273 km (0.034 R)
• M15: 14,818,866 km (0.081 R)
• M16: 15,190,317 km (0.118 R)
• M17: 16,681,509 km (0.099 R)
• M18: 18,511,390 km (0.107 R)
• M19: 19,066,847 km (0.107 R)
• M20: 21,807,181 km (0.1 R)
• M21: 22,426,965 km (0.089 R)
• M22: 22,917,047 km (0.103 R)
• M23: 24,949,185 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 11.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.35 AU - 3.77 AU

Year: 3456 Days

Day: 11 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 90,018,612 km

• M1: 147,952 km (0.109 R)
• M2: 636,988 km (0.1 R)
• M3: 1,485,806 km (0.092 R)
• M4: 2,359,906 km (0.107 R)
• M5: 3,019,783 km (0.067 R)
• M6: 3,550,257 km (0.076 R)
• M7: 4,799,698 km (0.1 R)
• M8: 7,348,247 km (0.05 R)
• M9: 9,616,450 km (0.098 R)
• M10: 10,690,264 km (0.087 R)
• M11: 14,150,911 km (0.082 R)
• M12: 14,538,519 km (0.081 R)
• M13: 15,133,171 km (0.091 R)
• M14: 16,212,968 km (0.117 R)
• M15: 17,843,585 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.1

Radius: 12.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.86 AU - 3.6 AU

Year: 3748 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,018,612 km

• M1: 155,432 km (0.073 R)
• M2: 593,604 km (0.12 R)
• M3: 1,003,353 km (0.11 R)
• M4: 1,634,357 km (0.059 R)
• M5: 2,275,832 km (0.082 R)
• M6: 3,702,398 km (0.1 R)
• M7: 4,524,737 km (0.089 R)
• M8: 5,121,034 km (0.108 R)
• M9: 5,574,615 km (0.111 R)
• M10: 6,201,430 km (0.067 R)
• M11: 6,970,363 km (0.081 R)
• M12: 7,733,163 km (0.096 R)
• M13: 8,477,412 km (0.072 R)
• M14: 9,152,847 km (0.103 R)
• M15: 9,945,117 km (0.097 R)
• M16: 11,441,096 km (0.072 R)
• M17: 11,894,975 km (0.089 R)
• M18: 14,191,153 km (0.079 R)
• M19: 15,307,153 km (0.107 R)
• M20: 17,118,933 km (0.102 R)
• M21: 18,383,185 km (0.104 R)
• M22: 18,818,215 km (0.104 R)
• M23: 19,515,491 km (0.12 R)
• M24: 20,295,943 km (0.103 R)
• M25: 21,988,493 km (0.069 R)
• M26: 22,408,415 km (0.08 R)
• M27: 25,652,893 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.7

Radius: 3.7

Gravity: 61.56 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.39 AU - 11.39 AU

Year: 23204 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,018,612 km

• M1: 46,076 km (0.051 R)
• M2: 230,381 km (0.096 R)
• M3: 744,399 km (0.034 R)
• M4: 867,368 km (0.058 R)
• M5: 1,385,426 km (0.12 R)
• M6: 1,701,526 km (0.117 R)
• M7: 1,836,763 km (0.099 R)
• M8: 2,021,067 km (0.104 R)
• M9: 2,150,769 km (0.028 R)
• M10: 3,163,247 km (0.106 R)
• M11: 3,398,415 km (0.117 R)
• M12: 3,551,154 km (0.082 R)
• M13: 4,529,824 km (0.078 R)
• M14: 4,867,017 km (0.087 R)
• M15: 5,507,146 km (0.03 R)
• M16: 6,338,163 km (0.111 R)
• M17: 6,904,241 km (0.109 R)
• M18: 10,502,070 km (0.106 R)
• M19: 10,892,520 km (0.098 R)
• M20: 11,360,163 km (0.093 R)
• M21: 11,702,293 km (0.062 R)
• M22: 13,900,933 km (0.032 R)
• M23: 16,620,772 km (0.118 R)
• M24: 18,337,258 km (0.073 R)
• M25: 18,998,331 km (0.102 R)
• M26: 21,179,169 km (0.077 R)
• M27: 25,445,251 km (0.117 R)
• M28: 26,385,923 km (0.116 R)
• M29: 27,227,860 km (0.102 R)
• M30: 28,838,430 km (0.1 R)
• M31: 29,731,530 km (0.106 R)
• M32: 43,237,225 km (0.093 R)
• M33: 44,406,034 km (0.107 R)
• M34: 55,887,521 km (0.11 R)
• M35: 57,273,694 km (0.069 R)
• M36: 63,688,002 km (0.067 R)
• M37: 64,117,498 km (0.095 R)
• M38: 70,564,568 km (0.095 R)
• M39: 90,018,574 km (0.07 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 15,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit