🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.1

Radius: 11

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.81 AU - 1.01 AU

Year: 569 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,242,716 km

• M1: 136,732 km (0.118 R)
• M2: 555,906 km (0.071 R)
• M3: 927,806 km (0.046 R)
• M4: 1,673,252 km (0.097 R)
• M5: 2,189,963 km (0.063 R)
• M6: 2,610,632 km (0.08 R)
• M7: 3,095,479 km (0.06 R)
• M8: 3,523,778 km (0.102 R)
• M9: 3,867,853 km (0.092 R)
• M10: 4,419,570 km (0.097 R)
• M11: 4,806,580 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.5

Radius: 11.3

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.92 AU - 1.04 AU

Year: 636 Days

Day: 14.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,242,716 km

• M1: 140,472 km (0.111 R)
• M2: 541,694 km (0.096 R)
• M3: 1,074,113 km (0.051 R)
• M4: 1,549,086 km (0.047 R)
• M5: 2,017,477 km (0.05 R)
• M6: 2,553,187 km (0.11 R)
• M7: 3,479,198 km (0.102 R)
• M8: 4,179,166 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 9.6

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.35 AU - 1.67 AU

Year: 1217 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,242,716 km

• M1: 119,529 km (0.063 R)
• M2: 693,985 km (0.089 R)
• M3: 1,084,435 km (0.102 R)
• M4: 1,517,521 km (0.118 R)
• M5: 1,951,055 km (0.077 R)
• M6: 2,893,073 km (0.098 R)
• M7: 3,799,936 km (0.079 R)
• M8: 4,372,147 km (0.116 R)
• M9: 5,479,920 km (0.101 R)
• M10: 6,908,729 km (0.086 R)
• M11: 7,226,924 km (0.065 R)
• M12: 7,761,736 km (0.032 R)
• M13: 8,079,033 km (0.083 R)
• M14: 8,571,210 km (0.096 R)
• M15: 9,736,727 km (0.037 R)
• M16: 10,389,423 km (0.087 R)
• M17: 11,170,772 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.7

Radius: 8.7

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.6 AU - 1.66 AU

Year: 1365 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,242,716 km

• M1: 111,450 km (0.081 R)
• M2: 388,805 km (0.059 R)
• M3: 663,467 km (0.108 R)
• M4: 1,006,794 km (0.087 R)
• M5: 1,724,265 km (0.094 R)
• M6: 2,100,803 km (0.034 R)
• M7: 2,638,308 km (0.097 R)
• M8: 2,918,206 km (0.082 R)
• M9: 3,375,526 km (0.103 R)
• M10: 3,844,815 km (0.116 R)
• M11: 4,187,544 km (0.073 R)
• M12: 4,831,562 km (0.11 R)
• M13: 5,698,931 km (0.107 R)
• M14: 8,228,930 km (0.077 R)
• M15: 9,365,575 km (0.116 R)
• M16: 9,788,787 km (0.053 R)
• M17: 10,849,586 km (0.109 R)
• M18: 11,647,541 km (0.094 R)
• M19: 12,406,451 km (0.102 R)
• M20: 13,730,242 km (0.073 R)
• M21: 14,191,752 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 13.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.79 AU - 6.29 AU

Year: 7423 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,242,716 km

• M1: 165,455 km (0.119 R)
• M2: 654,042 km (0.062 R)
• M3: 1,162,375 km (0.106 R)
• M4: 2,169,020 km (0.104 R)
• M5: 2,605,247 km (0.05 R)
• M6: 3,606,954 km (0.118 R)
• M7: 4,073,999 km (0.112 R)
• M8: 5,022,150 km (0.083 R)
• M9: 6,162,086 km (0.101 R)
• M10: 6,674,309 km (0.039 R)
• M11: 7,242,781 km (0.06 R)
• M12: 8,445,997 km (0.034 R)
• M13: 8,918,127 km (0.098 R)
• M14: 9,778,614 km (0.074 R)
• M15: 10,549,043 km (0.083 R)
• M16: 11,359,864 km (0.046 R)
• M17: 11,780,533 km (0.073 R)
• M18: 14,394,457 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.8

Radius: 6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.92 AU - 8.14 AU

Year: 10947 Days

Day: 16.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 116.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,242,716 km

• M1: 74,649 km (0.064 R)
• M2: 512,223 km (0.057 R)
• M3: 719,865 km (0.073 R)
• M4: 1,111,811 km (0.045 R)
• M5: 1,492,089 km (0.107 R)
• M6: 1,764,956 km (0.062 R)
• M7: 1,983,967 km (0.059 R)
• M8: 2,460,735 km (0.096 R)
• M9: 3,617,875 km (0.047 R)
• M10: 3,882,364 km (0.076 R)
• M11: 4,525,036 km (0.114 R)
• M12: 5,460,621 km (0.117 R)
• M13: 8,409,794 km (0.082 R)
• M14: 12,178,912 km (0.1 R)
• M15: 18,188,408 km (0.1 R)
• M16: 22,442,972 km (0.049 R)
• M17: 26,651,309 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.5

Radius: 7.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.97 AU - 7.11 AU

Year: 12254 Days

Day: 18.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,242,716 km

• M1: 96,341 km (0.075 R)
• M2: 1,063,940 km (0.042 R)
• M3: 1,423,873 km (0.066 R)
• M4: 4,247,532 km (0.1 R)
• M5: 4,775,014 km (0.11 R)
• M6: 8,017,399 km (0.111 R)
• M7: 11,834,837 km (0.039 R)
• M8: 23,732,057 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.3

Radius: 7

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.2 AU - 7.4 AU

Year: 12939 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,242,716 km

• M1: 95,443 km (0.078 R)
• M2: 467,942 km (0.106 R)
• M3: 857,794 km (0.112 R)
• M4: 1,108,221 km (0.11 R)
• M5: 1,379,442 km (0.066 R)
• M6: 1,600,248 km (0.03 R)
• M7: 1,896,602 km (0.114 R)
• M8: 2,114,267 km (0.11 R)
• M9: 2,409,872 km (0.091 R)
• M10: 3,493,260 km (0.095 R)
• M11: 5,495,927 km (0.113 R)
• M12: 6,135,308 km (0.062 R)
• M13: 7,427,534 km (0.08 R)
• M14: 8,399,920 km (0.108 R)
• M15: 9,612,112 km (0.117 R)
• M16: 10,370,872 km (0.08 R)
• M17: 10,822,060 km (0.037 R)
• M18: 11,582,914 km (0.117 R)
• M19: 12,316,542 km (0.036 R)
• M20: 14,079,703 km (0.084 R)
• M21: 14,703,077 km (0.027 R)
• M22: 16,607,308 km (0.089 R)
• M23: 17,224,848 km (0.099 R)
• M24: 19,001,922 km (0.119 R)
• M25: 25,363,870 km (0.108 R)
• M26: 26,182,470 km (0.11 R)
• M27: 27,018,572 km (0.106 R)
• M28: 29,297,845 km (0.066 R)
• M29: 29,521,494 km (0.093 R)
• M30: 30,085,329 km (0.062 R)
• M31: 34,111,606 km (0.104 R)
• M32: 34,857,650 km (0.114 R)
• M33: 35,234,637 km (0.099 R)
• M34: 43,648,769 km (0.109 R)
• M35: 44,527,806 km (0.069 R)
• M36: 56,878,606 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 18,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit