🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.7

Radius: 9.6

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,565,941 km

• M1: 119,379 km (0.069 R)
• M2: 502,948 km (0.043 R)
• M3: 921,074 km (0.091 R)
• M4: 1,282,652 km (0.036 R)
• M5: 1,698,534 km (0.035 R)
• M6: 2,203,277 km (0.11 R)
• M7: 2,554,234 km (0.085 R)
• M8: 2,982,383 km (0.113 R)
• M9: 3,447,034 km (0.119 R)
• M10: 3,802,778 km (0.119 R)
• M11: 4,157,774 km (0.116 R)
• M12: 4,535,059 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.9

Radius: 14.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,565,941 km

• M1: 184,155 km (0.073 R)
• M2: 715,377 km (0.106 R)
• M3: 1,302,549 km (0.072 R)
• M4: 1,996,084 km (0.118 R)
• M5: 2,544,660 km (0.085 R)
• M6: 3,121,210 km (0.066 R)
• M7: 3,599,026 km (0.101 R)
• M8: 4,252,918 km (0.117 R)
• M9: 4,787,581 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.9

Radius: 9.5

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.1 AU - 1.24 AU

Year: 844 Days

Day: 10.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,565,941 km

• M1: 118,332 km (0.063 R)
• M2: 466,895 km (0.066 R)
• M3: 784,641 km (0.105 R)
• M4: 1,179,878 km (0.096 R)
• M5: 1,639,293 km (0.044 R)
• M6: 2,405,833 km (0.03 R)
• M7: 3,111,785 km (0.075 R)
• M8: 3,903,906 km (0.119 R)
• M9: 4,877,938 km (0.042 R)
• M10: 5,704,017 km (0.108 R)
• M11: 6,403,986 km (0.054 R)
• M12: 7,022,573 km (0.095 R)
• M13: 7,851,195 km (0.107 R)
• M14: 8,276,652 km (0.119 R)
• M15: 9,119,037 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369

Radius: 13.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.36 AU - 1.82 AU

Year: 1337 Days

Day: 8.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,565,941 km

• M1: 164,258 km (0.108 R)
• M2: 620,682 km (0.054 R)
• M3: 1,084,585 km (0.097 R)
• M4: 1,534,575 km (0.066 R)
• M5: 2,309,791 km (0.08 R)
• M6: 3,532,455 km (0.077 R)
• M7: 4,870,757 km (0.1 R)
• M8: 6,703,032 km (0.073 R)
• M9: 8,418,171 km (0.114 R)
• M10: 9,208,497 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591

Radius: 8.2

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.46 AU - 3.66 AU

Year: 3570 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,565,941 km

• M1: 103,671 km (0.029 R)
• M2: 406,308 km (0.116 R)
• M3: 665,262 km (0.088 R)
• M4: 1,259,913 km (0.091 R)
• M5: 1,712,297 km (0.084 R)
• M6: 2,841,163 km (0.043 R)
• M7: 3,505,228 km (0.109 R)
• M8: 4,095,092 km (0.102 R)
• M9: 4,844,877 km (0.082 R)
• M10: 6,496,437 km (0.073 R)
• M11: 6,885,392 km (0.1 R)
• M12: 11,244,823 km (0.072 R)
• M13: 13,651,105 km (0.079 R)
• M14: 14,339,853 km (0.063 R)
• M15: 14,642,191 km (0.028 R)
• M16: 15,468,869 km (0.102 R)
• M17: 16,109,148 km (0.09 R)
• M18: 20,263,780 km (0.048 R)
• M19: 21,420,470 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.1

Radius: 5.8

Gravity: 20.51 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.06 AU - 7.78 AU

Year: 10848 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 43,565,941 km

• M1: 73,602 km (0.049 R)
• M2: 442,062 km (0.094 R)
• M3: 1,004,251 km (0.096 R)
• M4: 1,993,691 km (0.088 R)
• M5: 2,940,496 km (0.026 R)
• M6: 3,123,604 km (0.085 R)
• M7: 4,476,267 km (0.069 R)
• M8: 4,657,580 km (0.095 R)
• M9: 5,165,465 km (0.088 R)
• M10: 5,851,371 km (0.108 R)
• M11: 6,674,010 km (0.114 R)
• M12: 7,360,664 km (0.107 R)
• M13: 8,592,602 km (0.077 R)
• M14: 13,351,760 km (0.113 R)
• M15: 13,539,355 km (0.075 R)
• M16: 13,728,746 km (0.088 R)
• M17: 15,651,677 km (0.07 R)
• M18: 16,569,311 km (0.071 R)
• M19: 17,898,338 km (0.047 R)
• M20: 19,697,851 km (0.11 R)
• M21: 20,516,600 km (0.099 R)
• M22: 21,103,173 km (0.08 R)
• M23: 21,614,648 km (0.1 R)
• M24: 22,574,019 km (0.104 R)
• M25: 23,561,216 km (0.042 R)
• M26: 24,297,088 km (0.115 R)
• M27: 25,143,213 km (0.057 R)
• M28: 25,525,585 km (0.08 R)
• M29: 26,203,862 km (0.11 R)
• M30: 26,993,589 km (0.112 R)
• M31: 30,419,829 km (0.112 R)
• M32: 31,623,494 km (0.069 R)
• M33: 32,744,880 km (0.057 R)
• M34: 36,633,377 km (0.082 R)
• M35: 37,001,537 km (0.095 R)
• M36: 43,917,447 km (0.064 R)
• M37: 44,471,857 km (0.113 R)
• M38: 48,631,725 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.4

Radius: 4.4

Gravity: 37.62 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.95 AU - 7.21 AU

Year: 11256 Days

Day: 22.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,565,941 km

• M1: 55,950 km (0.094 R)
• M2: 267,331 km (0.058 R)
• M3: 822,938 km (0.095 R)
• M4: 1,130,661 km (0.093 R)
• M5: 4,085,817 km (0.045 R)
• M6: 7,927,939 km (0.082 R)
• M7: 8,381,969 km (0.108 R)
• M8: 9,095,401 km (0.109 R)
• M9: 9,848,477 km (0.096 R)
• M10: 12,296,047 km (0.089 R)
• M11: 12,904,013 km (0.108 R)
• M12: 19,875,872 km (0.103 R)
• M13: 20,124,354 km (0.081 R)
• M14: 21,484,498 km (0.03 R)
• M15: 24,576,088 km (0.084 R)
• M16: 25,734,424 km (0.09 R)
• M17: 30,953,595 km (0.118 R)
• M18: 31,849,087 km (0.057 R)
• M19: 33,691,834 km (0.085 R)
• M20: 42,592,159 km (0.041 R)
• M21: 44,683,837 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.2

Radius: 3.4

Gravity: 68.44 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.67 AU - 6.99 AU

Year: 11903 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,565,941 km

• M1: 42,336 km (0.108 R)
• M2: 149,897 km (0.088 R)
• M3: 1,228,947 km (0.111 R)
• M4: 1,535,921 km (0.065 R)
• M5: 3,494,606 km (0.12 R)
• M6: 3,847,657 km (0.044 R)
• M7: 4,785,037 km (0.092 R)
• M8: 6,682,836 km (0.051 R)
• M9: 6,888,234 km (0.067 R)
• M10: 7,225,428 km (0.053 R)
• M11: 7,441,896 km (0.12 R)
• M12: 8,445,398 km (0.119 R)
• M13: 9,954,691 km (0.118 R)
• M14: 11,284,467 km (0.071 R)
• M15: 13,364,625 km (0.104 R)
• M16: 15,831,045 km (0.105 R)
• M17: 21,022,091 km (0.069 R)
• M18: 23,381,250 km (0.085 R)
• M19: 27,137,951 km (0.113 R)
• M20: 30,710,199 km (0.086 R)

Asteroid Belt

Center: 7.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.6

Radius: 6.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.78 AU - 8.42 AU

Year: 15373 Days

Day: 20.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,565,941 km

• M1: 87,066 km (0.045 R)
• M2: 423,212 km (0.092 R)
• M3: 750,832 km (0.107 R)
• M4: 1,242,111 km (0.074 R)
• M5: 1,505,104 km (0.08 R)
• M6: 1,760,019 km (0.065 R)
• M7: 2,043,806 km (0.065 R)
• M8: 2,357,812 km (0.048 R)
• M9: 2,764,718 km (0.089 R)
• M10: 3,039,530 km (0.119 R)
• M11: 3,819,832 km (0.068 R)
• M12: 4,134,586 km (0.108 R)
• M13: 5,278,262 km (0.116 R)
• M14: 5,536,767 km (0.109 R)
• M15: 6,184,825 km (0.075 R)
• M16: 6,806,404 km (0.116 R)
• M17: 8,520,197 km (0.103 R)
• M18: 10,758,032 km (0.095 R)
• M19: 11,333,385 km (0.118 R)
• M20: 13,006,637 km (0.073 R)
• M21: 15,354,426 km (0.075 R)
• M22: 16,286,271 km (0.096 R)
• M23: 22,429,957 km (0.1 R)
• M24: 34,790,930 km (0.05 R)
• M25: 36,861,215 km (0.118 R)
• M26: 37,096,233 km (0.08 R)
• M27: 39,012,282 km (0.098 R)
• M28: 39,256,276 km (0.094 R)
• M29: 40,993,257 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.6

Radius: 6.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.07 AU - 12.05 AU

Year: 21278 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,565,941 km

• M1: 85,869 km (0.099 R)
• M2: 1,100,592 km (0.111 R)
• M3: 1,317,060 km (0.102 R)
• M4: 2,285,855 km (0.089 R)
• M5: 2,642,946 km (0.093 R)
• M6: 3,213,661 km (0.077 R)
• M7: 4,399,075 km (0.092 R)
• M8: 6,520,373 km (0.034 R)
• M9: 7,006,566 km (0.076 R)
• M10: 7,278,385 km (0.065 R)
• M11: 10,050,434 km (0.088 R)
• M12: 12,584,472 km (0.045 R)
• M13: 17,560,995 km (0.099 R)
• M14: 17,775,069 km (0.095 R)
• M15: 25,307,322 km (0.08 R)
• M16: 33,942,710 km (0.062 R)
• M17: 42,146,807 km (0.077 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: 165 - 13,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit