🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 11

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.63 AU - 1.01 AU

Year: 504 Days

Day: 13.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,590,811 km

• M1: 136,732 km (0.108 R)
• M2: 509,381 km (0.089 R)
• M3: 875,746 km (0.119 R)
• M4: 1,324,689 km (0.111 R)
• M5: 2,146,729 km (0.102 R)
• M6: 2,530,298 km (0.062 R)
• M7: 2,948,724 km (0.117 R)
• M8: 3,980,500 km (0.095 R)
• M9: 5,107,870 km (0.089 R)
• M10: 5,607,377 km (0.099 R)
• M11: 6,194,249 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 10.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.85 AU - 0.95 AU

Year: 579 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,590,811 km

• M1: 130,749 km (0.111 R)
• M2: 487,988 km (0.053 R)
• M3: 1,018,612 km (0.095 R)
• M4: 1,652,757 km (0.119 R)
• M5: 2,037,224 km (0.084 R)
• M6: 2,683,636 km (0.077 R)
• M7: 3,158,310 km (0.105 R)
• M8: 3,812,502 km (0.056 R)
• M9: 4,262,043 km (0.072 R)
• M10: 5,408,412 km (0.118 R)
• M11: 5,845,537 km (0.083 R)
• M12: 6,306,149 km (0.048 R)
• M13: 6,749,407 km (0.108 R)
• M14: 7,084,806 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 15

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.96 AU - 1.6 AU

Year: 982 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,590,811 km

• M1: 187,147 km (0.118 R)
• M2: 665,112 km (0.089 R)
• M3: 1,193,492 km (0.12 R)
• M4: 2,337,168 km (0.111 R)
• M5: 2,916,710 km (0.056 R)
• M6: 3,650,487 km (0.119 R)
• M7: 4,141,617 km (0.099 R)
• M8: 5,587,780 km (0.051 R)
• M9: 6,201,729 km (0.103 R)
• M10: 6,883,297 km (0.095 R)
• M11: 7,493,208 km (0.12 R)
• M12: 8,423,258 km (0.11 R)
• M13: 8,984,699 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 8.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.28 AU - 1.8 AU

Year: 1296 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,590,811 km

• M1: 112,498 km (0.107 R)
• M2: 424,260 km (0.106 R)
• M3: 796,160 km (0.054 R)
• M4: 1,109,567 km (0.101 R)
• M5: 1,447,958 km (0.097 R)
• M6: 1,893,759 km (0.084 R)
• M7: 2,373,819 km (0.09 R)
• M8: 2,677,802 km (0.102 R)
• M9: 4,031,962 km (0.097 R)
• M10: 4,595,198 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 14.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.43 AU - 2.05 AU

Year: 1557 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,590,811 km

• M1: 186,399 km (0.086 R)
• M2: 860,038 km (0.115 R)
• M3: 1,417,290 km (0.116 R)
• M4: 2,302,012 km (0.101 R)
• M5: 2,821,565 km (0.109 R)
• M6: 4,066,070 km (0.112 R)
• M7: 5,296,213 km (0.113 R)
• M8: 5,951,302 km (0.04 R)
• M9: 6,762,123 km (0.118 R)
• M10: 8,394,984 km (0.092 R)
• M11: 10,553,531 km (0.055 R)
• M12: 12,584,921 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 13.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.89 AU - 4.21 AU

Year: 5528 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,590,811 km

• M1: 162,912 km (0.095 R)
• M2: 583,581 km (0.105 R)
• M3: 1,126,771 km (0.097 R)
• M4: 2,251,897 km (0.1 R)
• M5: 4,024,482 km (0.114 R)
• M6: 4,542,988 km (0.119 R)
• M7: 5,052,818 km (0.066 R)
• M8: 5,572,371 km (0.097 R)
• M9: 6,127,529 km (0.099 R)
• M10: 6,655,310 km (0.111 R)
• M11: 7,247,269 km (0.116 R)
• M12: 7,696,362 km (0.092 R)
• M13: 9,437,382 km (0.111 R)
• M14: 10,271,091 km (0.109 R)
• M15: 11,847,852 km (0.118 R)
• M16: 14,052,326 km (0.11 R)
• M17: 15,704,186 km (0.052 R)
• M18: 17,116,240 km (0.092 R)
• M19: 18,739,676 km (0.086 R)
• M20: 20,463,642 km (0.109 R)
• M21: 24,301,576 km (0.089 R)
• M22: 26,919,688 km (0.06 R)
• M23: 27,415,156 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 10.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.77 AU - 4.85 AU

Year: 6069 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,590,811 km

• M1: 128,056 km (0.084 R)
• M2: 730,935 km (0.052 R)
• M3: 1,452,595 km (0.057 R)
• M4: 1,822,102 km (0.12 R)
• M5: 2,413,612 km (0.089 R)
• M6: 3,865,609 km (0.08 R)
• M7: 11,752,110 km (0.102 R)
• M8: 13,362,531 km (0.114 R)
• M9: 14,607,634 km (0.077 R)
• M10: 16,893,040 km (0.104 R)
• M11: 17,327,024 km (0.118 R)
• M12: 20,930,238 km (0.098 R)
• M13: 27,058,216 km (0.109 R)
• M14: 30,209,644 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.4

Radius: 6.6

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.62 AU - 8.12 AU

Year: 12213 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,590,811 km

• M1: 82,129 km (0.075 R)
• M2: 446,101 km (0.097 R)
• M3: 661,223 km (0.099 R)
• M4: 1,365,679 km (0.091 R)
• M5: 1,603,390 km (0.073 R)
• M6: 1,853,218 km (0.114 R)
• M7: 2,702,934 km (0.113 R)
• M8: 3,422,051 km (0.044 R)
• M9: 3,763,134 km (0.064 R)
• M10: 4,020,443 km (0.105 R)
• M11: 5,553,372 km (0.102 R)
• M12: 6,522,916 km (0.088 R)
• M13: 7,281,377 km (0.112 R)
• M14: 8,792,615 km (0.107 R)
• M15: 9,764,702 km (0.094 R)
• M16: 11,648,737 km (0.075 R)
• M17: 13,522,600 km (0.079 R)
• M18: 14,251,142 km (0.091 R)
• M19: 15,392,574 km (0.043 R)
• M20: 17,287,530 km (0.086 R)
• M21: 17,712,837 km (0.116 R)
• M22: 18,145,175 km (0.103 R)
• M23: 18,881,346 km (0.099 R)
• M24: 20,968,386 km (0.107 R)
• M25: 21,778,907 km (0.036 R)
• M26: 23,290,144 km (0.108 R)
• M27: 23,983,680 km (0.083 R)
• M28: 24,780,438 km (0.082 R)
• M29: 26,426,464 km (0.046 R)
• M30: 28,339,372 km (0.108 R)
• M31: 31,588,937 km (0.066 R)
• M32: 36,916,117 km (0.088 R)
• M33: 38,455,629 km (0.055 R)
• M34: 39,302,053 km (0.042 R)
• M35: 40,781,876 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit