🌌 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: 414

Radius: 9.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.73 AU - 0.91 AU

Year: 479 Days

Day: 8.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,513,014 km

• M1: 116,088 km (0.063 R)
• M2: 439,369 km (0.08 R)
• M3: 792,570 km (0.061 R)
• M4: 1,119,890 km (0.116 R)
• M5: 1,505,852 km (0.1 R)
• M6: 1,871,469 km (0.089 R)
• M7: 2,226,764 km (0.063 R)
• M8: 2,646,237 km (0.085 R)
• M9: 2,968,770 km (0.096 R)
• M10: 3,408,887 km (0.11 R)
• M11: 4,310,812 km (0.118 R)
• M12: 4,716,222 km (0.085 R)
• M13: 5,131,656 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 8.9

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.09 AU - 1.09 AU

Year: 735 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 73.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,513,014 km

• M1: 112,647 km (0.117 R)
• M2: 451,038 km (0.079 R)
• M3: 827,725 km (0.113 R)
• M4: 1,119,142 km (0.098 R)
• M5: 1,837,062 km (0.108 R)
• M6: 2,149,422 km (0.098 R)
• M7: 2,610,184 km (0.1 R)
• M8: 3,032,648 km (0.089 R)
• M9: 3,348,150 km (0.12 R)
• M10: 3,700,303 km (0.078 R)
• M11: 4,613,598 km (0.087 R)
• M12: 4,925,659 km (0.067 R)
• M13: 5,669,909 km (0.082 R)
• M14: 6,402,190 km (0.101 R)
• M15: 7,357,672 km (0.071 R)
• M16: 8,228,481 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.2

Radius: 10.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.26 AU - 1.42 AU

Year: 1002 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,513,014 km

• M1: 132,245 km (0.096 R)
• M2: 485,894 km (0.118 R)
• M3: 822,190 km (0.106 R)
• M4: 1,233,584 km (0.086 R)
• M5: 1,645,876 km (0.048 R)
• M6: 1,983,817 km (0.109 R)
• M7: 2,522,968 km (0.058 R)
• M8: 3,131,383 km (0.107 R)
• M9: 3,499,094 km (0.106 R)
• M10: 4,003,389 km (0.083 R)
• M11: 4,538,799 km (0.106 R)
• M12: 5,793,028 km (0.093 R)
• M13: 6,265,757 km (0.117 R)
• M14: 6,764,068 km (0.09 R)
• M15: 7,359,018 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 14.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.4 AU - 1.58 AU

Year: 1174 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,513,014 km

• M1: 179,069 km (0.059 R)
• M2: 765,642 km (0.062 R)
• M3: 1,363,884 km (0.114 R)
• M4: 1,904,530 km (0.074 R)
• M5: 2,863,303 km (0.037 R)
• M6: 3,796,345 km (0.049 R)
• M7: 4,247,981 km (0.103 R)
• M8: 5,064,038 km (0.118 R)
• M9: 8,053,153 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 11

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.63 AU - 2.13 AU

Year: 1664 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,513,014 km

• M1: 146,456 km (0.118 R)
• M2: 565,031 km (0.097 R)
• M3: 1,177,485 km (0.113 R)
• M4: 1,916,050 km (0.061 R)
• M5: 2,670,172 km (0.044 R)
• M6: 3,840,177 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 11.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.38 AU - 2.38 AU

Year: 2371 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,513,014 km

• M1: 138,528 km (0.1 R)
• M2: 590,463 km (0.066 R)
• M3: 944,711 km (0.068 R)
• M4: 1,335,311 km (0.041 R)
• M5: 2,992,257 km (0.07 R)
• M6: 3,372,983 km (0.107 R)
• M7: 4,599,087 km (0.069 R)
• M8: 5,963,420 km (0.118 R)
• M9: 6,343,249 km (0.112 R)
• M10: 6,910,823 km (0.064 R)
• M11: 7,375,474 km (0.074 R)
• M12: 7,813,796 km (0.108 R)
• M13: 8,196,318 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.5

Radius: 12.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.48 AU - 3.34 AU

Year: 3205 Days

Day: 12 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,513,014 km

• M1: 157,975 km (0.084 R)
• M2: 731,683 km (0.096 R)
• M3: 1,127,669 km (0.072 R)
• M4: 1,551,180 km (0.09 R)
• M5: 2,270,148 km (0.092 R)
• M6: 3,842,870 km (0.098 R)
• M7: 4,607,465 km (0.112 R)
• M8: 6,121,246 km (0.071 R)
• M9: 6,822,112 km (0.098 R)
• M10: 7,219,144 km (0.038 R)
• M11: 8,265,432 km (0.11 R)
• M12: 8,871,752 km (0.034 R)
• M13: 9,638,292 km (0.078 R)
• M14: 10,728,561 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.1

Radius: 12.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.41 AU - 3.79 AU

Year: 3524 Days

Day: 9.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,513,014 km

• M1: 153,787 km (0.096 R)
• M2: 562,937 km (0.086 R)
• M3: 1,150,258 km (0.098 R)
• M4: 1,650,214 km (0.052 R)
• M5: 2,130,274 km (0.116 R)
• M6: 2,662,842 km (0.117 R)
• M7: 3,160,853 km (0.096 R)
• M8: 3,636,874 km (0.108 R)
• M9: 5,580,898 km (0.113 R)
• M10: 7,437,707 km (0.107 R)
• M11: 8,197,664 km (0.088 R)
• M12: 9,070,717 km (0.075 R)
• M13: 9,546,139 km (0.103 R)
• M14: 9,971,745 km (0.078 R)
• M15: 10,651,069 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 10.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.52 AU - 6.08 AU

Year: 9019 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,513,014 km

• M1: 130,599 km (0.083 R)
• M2: 602,879 km (0.1 R)
• M3: 1,389,615 km (0.05 R)
• M4: 2,440,689 km (0.081 R)
• M5: 2,819,920 km (0.11 R)
• M6: 5,495,328 km (0.118 R)
• M7: 5,833,120 km (0.08 R)
• M8: 7,001,480 km (0.118 R)
• M9: 8,359,529 km (0.105 R)
• M10: 9,271,478 km (0.118 R)
• M11: 9,707,406 km (0.113 R)
• M12: 10,156,947 km (0.073 R)
• M13: 10,526,604 km (0.087 R)
• M14: 11,146,388 km (0.066 R)
• M15: 12,095,885 km (0.072 R)
• M16: 13,481,311 km (0.108 R)
• M17: 13,984,708 km (0.115 R)
• M18: 16,564,972 km (0.109 R)
• M19: 18,406,372 km (0.08 R)
• M20: 18,749,101 km (0.11 R)
• M21: 20,380,616 km (0.069 R)
• M22: 23,842,909 km (0.029 R)
• M23: 26,098,396 km (0.062 R)
• M24: 27,948,323 km (0.108 R)
• M25: 29,136,429 km (0.081 R)
• M26: 33,408,047 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255

Radius: 7.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.41 AU - 7.83 AU

Year: 12267 Days

Day: 22 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,513,014 km

• M1: 98,286 km (0.062 R)
• M2: 440,267 km (0.109 R)
• M3: 788,530 km (0.048 R)
• M4: 2,451,909 km (0.064 R)
• M5: 3,430,578 km (0.103 R)
• M6: 6,406,529 km (0.077 R)
• M7: 8,781,245 km (0.083 R)
• M8: 12,004,182 km (0.029 R)
• M9: 13,101,034 km (0.059 R)
• M10: 13,385,419 km (0.106 R)
• M11: 15,304,012 km (0.037 R)
• M12: 16,526,226 km (0.095 R)
• M13: 25,962,710 km (0.05 R)
• M14: 27,417,999 km (0.118 R)
• M15: 27,883,697 km (0.103 R)
• M16: 28,449,476 km (0.118 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 14,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit