🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.25 AU - 3.03 AU

Year: 1797 Days

Day: 18.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 91,962,240 km

• M1: 65,823 km (0.087 R)
• M2: 1,264,850 km (0.071 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 11.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.31 AU - 3.81 AU

Year: 2814 Days

Day: 8.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,962,240 km

• M1: 138,079 km (0.109 R)
• M2: 503,098 km (0.118 R)
• M3: 1,153,848 km (0.057 R)
• M4: 1,687,165 km (0.082 R)
• M5: 2,261,621 km (0.079 R)
• M6: 3,090,393 km (0.099 R)
• M7: 3,513,156 km (0.086 R)
• M8: 3,897,922 km (0.072 R)
• M9: 4,796,856 km (0.079 R)
• M10: 6,640,649 km (0.105 R)
• M11: 8,328,113 km (0.12 R)
• M12: 9,566,485 km (0.065 R)
• M13: 11,748,968 km (0.071 R)
• M14: 12,447,141 km (0.042 R)
• M15: 13,347,421 km (0.077 R)
• M16: 14,016,722 km (0.091 R)
• M17: 16,612,694 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 12

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.39 AU - 8.89 AU

Year: 9730 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,962,240 km

• M1: 149,299 km (0.075 R)
• M2: 842,834 km (0.053 R)
• M3: 1,230,891 km (0.104 R)
• M4: 1,850,825 km (0.109 R)
• M5: 2,280,320 km (0.084 R)
• M6: 2,862,256 km (0.117 R)
• M7: 4,472,228 km (0.107 R)
• M8: 4,995,372 km (0.087 R)
• M9: 5,662,878 km (0.063 R)
• M10: 6,164,928 km (0.095 R)
• M11: 6,774,988 km (0.093 R)
• M12: 10,501,920 km (0.111 R)
• M13: 12,589,259 km (0.098 R)
• M14: 15,007,359 km (0.113 R)
• M15: 17,123,571 km (0.099 R)
• M16: 18,023,402 km (0.094 R)
• M17: 23,545,059 km (0.108 R)
• M18: 24,657,469 km (0.102 R)
• M19: 26,490,043 km (0.038 R)
• M20: 27,087,088 km (0.094 R)
• M21: 29,142,563 km (0.1 R)
• M22: 30,424,617 km (0.04 R)
• M23: 39,174,297 km (0.032 R)
• M24: 39,949,513 km (0.097 R)
• M25: 47,540,408 km (0.066 R)
• M26: 48,274,634 km (0.032 R)
• M27: 49,916,920 km (0.062 R)
• M28: 51,134,347 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.97 AU - 9.55 AU

Year: 9946 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,962,240 km

• M1: 186,848 km (0.115 R)
• M2: 727,195 km (0.086 R)
• M3: 1,387,371 km (0.066 R)
• M4: 1,881,492 km (0.08 R)
• M5: 3,111,037 km (0.111 R)
• M6: 3,953,273 km (0.115 R)
• M7: 4,709,939 km (0.107 R)
• M8: 5,626,376 km (0.104 R)
• M9: 6,768,705 km (0.045 R)
• M10: 7,298,132 km (0.077 R)
• M11: 8,526,480 km (0.084 R)
• M12: 9,373,204 km (0.112 R)
• M13: 10,129,272 km (0.092 R)
• M14: 11,028,056 km (0.087 R)
• M15: 14,046,043 km (0.087 R)
• M16: 15,228,166 km (0.099 R)
• M17: 16,678,517 km (0.062 R)
• M18: 19,624,847 km (0.111 R)
• M19: 23,071,283 km (0.041 R)
• M20: 23,582,459 km (0.114 R)
• M21: 25,611,903 km (0.073 R)
• M22: 28,236,897 km (0.106 R)
• M23: 28,821,975 km (0.103 R)
• M24: 33,146,550 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 10.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.97 AU - 11.59 AU

Year: 11844 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,962,240 km

• M1: 134,788 km (0.087 R)
• M2: 480,060 km (0.043 R)
• M3: 957,127 km (0.092 R)
• M4: 1,400,236 km (0.107 R)
• M5: 2,078,962 km (0.105 R)
• M6: 2,418,250 km (0.104 R)
• M7: 3,097,424 km (0.077 R)
• M8: 3,446,137 km (0.101 R)
• M9: 3,925,747 km (0.085 R)
• M10: 4,804,186 km (0.094 R)
• M11: 5,437,284 km (0.086 R)
• M12: 5,947,862 km (0.113 R)
• M13: 7,026,163 km (0.085 R)
• M14: 7,467,627 km (0.114 R)
• M15: 8,585,272 km (0.041 R)
• M16: 10,312,230 km (0.074 R)
• M17: 11,585,308 km (0.039 R)
• M18: 13,019,802 km (0.116 R)
• M19: 14,123,685 km (0.093 R)
• M20: 18,481,171 km (0.092 R)
• M21: 21,335,648 km (0.102 R)
• M22: 21,922,970 km (0.055 R)
• M23: 23,394,265 km (0.088 R)
• M24: 28,202,639 km (0.09 R)
• M25: 33,519,049 km (0.102 R)
• M26: 33,971,133 km (0.082 R)
• M27: 36,174,710 km (0.09 R)
• M28: 43,088,376 km (0.065 R)
• M29: 45,529,364 km (0.104 R)
• M30: 47,206,954 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227

Radius: 4.1

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 8.29 AU - 13.03 AU

Year: 14582 Days

Day: 19.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,962,240 km

• M1: 51,013 km (0.111 R)
• M2: 271,520 km (0.042 R)
• M3: 462,706 km (0.088 R)
• M4: 732,730 km (0.041 R)
• M5: 946,655 km (0.114 R)
• M6: 1,111,662 km (0.11 R)
• M7: 1,344,885 km (0.12 R)
• M8: 2,005,659 km (0.073 R)
• M9: 2,798,079 km (0.111 R)
• M10: 3,856,035 km (0.115 R)
• M11: 4,143,861 km (0.059 R)
• M12: 4,445,899 km (0.114 R)
• M13: 5,570,426 km (0.025 R)
• M14: 6,759,430 km (0.114 R)
• M15: 7,216,601 km (0.118 R)
• M16: 7,653,577 km (0.116 R)
• M17: 8,192,578 km (0.118 R)
• M18: 10,552,185 km (0.078 R)
• M19: 11,219,092 km (0.06 R)
• M20: 12,022,882 km (0.114 R)
• M21: 12,188,187 km (0.09 R)
• M22: 15,363,552 km (0.098 R)
• M23: 15,820,274 km (0.041 R)
• M24: 16,420,760 km (0.094 R)
• M25: 16,760,796 km (0.074 R)
• M26: 20,738,454 km (0.046 R)
• M27: 25,301,937 km (0.078 R)
• M28: 25,846,772 km (0.091 R)
• M29: 27,148,722 km (0.067 R)
• M30: 30,901,834 km (0.061 R)
• M31: 31,524,460 km (0.099 R)
• M32: 32,473,808 km (0.072 R)
• M33: 37,274,105 km (0.112 R)
• M34: 41,013,902 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.3

Radius: 3.4

Gravity: 62.92 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 15.28 AU - 15.9 AU

Year: 25790 Days

Day: 20.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,962,240 km

• M1: 43,832 km (0.117 R)
• M2: 239,656 km (0.081 R)
• M3: 788,680 km (0.074 R)
• M4: 1,345,034 km (0.092 R)
• M5: 1,548,637 km (0.107 R)
• M6: 1,695,393 km (0.066 R)
• M7: 2,402,093 km (0.057 R)
• M8: 2,970,415 km (0.074 R)
• M9: 3,882,813 km (0.108 R)
• M10: 4,224,644 km (0.031 R)
• M11: 6,239,428 km (0.113 R)
• M12: 6,517,530 km (0.072 R)
• M13: 7,660,757 km (0.046 R)
• M14: 9,165,562 km (0.077 R)
• M15: 10,856,617 km (0.109 R)
• M16: 14,436,045 km (0.05 R)
• M17: 15,169,224 km (0.116 R)
• M18: 15,841,517 km (0.106 R)
• M19: 16,709,334 km (0.099 R)
• M20: 19,502,476 km (0.067 R)
• M21: 23,026,553 km (0.05 R)
• M22: 24,025,717 km (0.118 R)
• M23: 24,138,514 km (0.072 R)
• M24: 25,519,602 km (0.101 R)
• M25: 25,636,886 km (0.101 R)
• M26: 26,468,950 km (0.093 R)
• M27: 26,709,802 km (0.087 R)
• M28: 31,706,072 km (0.028 R)
• M29: 35,800,715 km (0.08 R)
• M30: 40,233,899 km (0.067 R)
• M31: 41,518,196 km (0.11 R)
• M32: 45,707,535 km (0.086 R)
• M33: 47,282,053 km (0.038 R)
• M34: 53,556,487 km (0.059 R)
• M35: 58,101,569 km (0.096 R)
• M36: 73,265,557 km (0.083 R)
• M37: 73,978,690 km (0.09 R)
• M38: 76,633,454 km (0.052 R)
• M39: 87,087,353 km (0.112 R)
• M40: 87,353,637 km (0.05 R)
• M41: 91,411,779 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 16,275 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit