🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 12.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.85 AU - 2.11 AU

Year: 1923 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,106,768 km

• M1: 156,779 km (0.025 R)
• M2: 637,287 km (0.077 R)
• M3: 1,209,349 km (0.11 R)
• M4: 1,908,420 km (0.104 R)
• M5: 2,482,876 km (0.065 R)
• M6: 3,123,304 km (0.043 R)
• M7: 4,114,839 km (0.093 R)
• M8: 4,842,633 km (0.032 R)
• M9: 5,260,460 km (0.052 R)
• M10: 5,678,436 km (0.087 R)
• M11: 6,450,810 km (0.082 R)
• M12: 6,957,947 km (0.112 R)
• M13: 7,724,636 km (0.1 R)
• M14: 9,940,479 km (0.098 R)
• M15: 11,289,553 km (0.072 R)
• M16: 12,107,554 km (0.045 R)
• M17: 12,510,870 km (0.118 R)
• M18: 13,429,700 km (0.117 R)
• M19: 14,214,640 km (0.117 R)
• M20: 15,590,342 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.1

Radius: 10.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.88 AU - 2.62 AU

Year: 2330 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,106,768 km

• M1: 126,859 km (0.085 R)
• M2: 566,078 km (0.119 R)
• M3: 1,139,038 km (0.119 R)
• M4: 1,461,870 km (0.047 R)
• M5: 1,888,224 km (0.044 R)
• M6: 2,396,857 km (0.091 R)
• M7: 2,854,028 km (0.108 R)
• M8: 3,185,537 km (0.03 R)
• M9: 4,507,982 km (0.037 R)
• M10: 4,960,217 km (0.104 R)
• M11: 5,292,473 km (0.112 R)
• M12: 5,887,125 km (0.066 R)
• M13: 6,673,711 km (0.086 R)
• M14: 7,105,600 km (0.099 R)
• M15: 7,774,452 km (0.116 R)
• M16: 8,281,589 km (0.112 R)
• M17: 9,424,965 km (0.117 R)
• M18: 9,774,725 km (0.099 R)
• M19: 10,738,883 km (0.106 R)
• M20: 11,297,182 km (0.065 R)
• M21: 12,624,564 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 14.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.35 AU - 2.83 AU

Year: 2877 Days

Day: 13.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,106,768 km

• M1: 182,061 km (0.094 R)
• M2: 667,207 km (0.084 R)
• M3: 1,294,919 km (0.102 R)
• M4: 1,975,141 km (0.078 R)
• M5: 2,445,028 km (0.079 R)
• M6: 4,002,641 km (0.115 R)
• M7: 5,080,493 km (0.066 R)
• M8: 6,909,327 km (0.117 R)
• M9: 8,701,211 km (0.092 R)
• M10: 10,381,344 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.5

Radius: 13.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.44 AU - 3.64 AU

Year: 4597 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,106,768 km

• M1: 171,738 km (0.113 R)
• M2: 682,017 km (0.105 R)
• M3: 1,136,794 km (0.063 R)
• M4: 1,803,402 km (0.063 R)
• M5: 2,459,389 km (0.056 R)
• M6: 4,167,946 km (0.092 R)
• M7: 4,877,040 km (0.05 R)
• M8: 6,596,518 km (0.101 R)
• M9: 7,400,008 km (0.114 R)
• M10: 8,798,748 km (0.102 R)
• M11: 9,890,065 km (0.051 R)
• M12: 12,801,539 km (0.06 R)
• M13: 13,369,113 km (0.103 R)
• M14: 14,002,809 km (0.099 R)
• M15: 14,656,552 km (0.1 R)
• M16: 16,684,950 km (0.082 R)
• M17: 17,362,628 km (0.102 R)
• M18: 18,533,082 km (0.07 R)
• M19: 19,076,571 km (0.062 R)
• M20: 20,386,450 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 10.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.34 AU - 3.92 AU

Year: 4774 Days

Day: 8.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,106,768 km

• M1: 134,339 km (0.094 R)
• M2: 502,499 km (0.089 R)
• M3: 1,421,629 km (0.059 R)
• M4: 2,814,834 km (0.05 R)
• M5: 3,425,193 km (0.097 R)
• M6: 4,776,810 km (0.086 R)
• M7: 5,157,387 km (0.088 R)
• M8: 6,230,452 km (0.1 R)
• M9: 10,982,428 km (0.095 R)
• M10: 13,754,178 km (0.034 R)
• M11: 21,504,694 km (0.102 R)
• M12: 23,622,701 km (0.105 R)
• M13: 26,461,021 km (0.105 R)
• M14: 29,248,478 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 10.7

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.63 AU - 5.07 AU

Year: 7373 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,106,768 km

• M1: 133,142 km (0.116 R)
• M2: 617,690 km (0.106 R)
• M3: 979,716 km (0.108 R)
• M4: 1,328,130 km (0.116 R)
• M5: 2,579,666 km (0.097 R)
• M6: 3,173,569 km (0.043 R)
• M7: 4,956,177 km (0.106 R)
• M8: 10,820,713 km (0.12 R)
• M9: 14,229,600 km (0.103 R)
• M10: 15,422,942 km (0.065 R)
• M11: 18,079,501 km (0.097 R)
• M12: 20,789,915 km (0.088 R)
• M13: 21,669,401 km (0.094 R)
• M14: 24,544,822 km (0.118 R)
• M15: 29,920,621 km (0.111 R)
• M16: 31,351,824 km (0.028 R)
• M17: 33,474,768 km (0.082 R)
• M18: 34,460,767 km (0.082 R)
• M19: 41,660,165 km (0.075 R)
• M20: 42,545,485 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.1

Radius: 7.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.81 AU - 7.09 AU

Year: 10018 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,106,768 km

• M1: 95,144 km (0.07 R)
• M2: 368,759 km (0.094 R)
• M3: 601,683 km (0.077 R)
• M4: 856,597 km (0.078 R)
• M5: 1,230,143 km (0.109 R)
• M6: 1,595,760 km (0.037 R)
• M7: 1,842,597 km (0.117 R)
• M8: 2,451,760 km (0.106 R)
• M9: 3,165,790 km (0.073 R)
• M10: 3,487,426 km (0.064 R)
• M11: 4,223,597 km (0.038 R)
• M12: 4,671,942 km (0.084 R)
• M13: 5,898,046 km (0.084 R)
• M14: 6,314,975 km (0.117 R)
• M15: 7,644,451 km (0.062 R)
• M16: 8,140,518 km (0.115 R)
• M17: 8,924,411 km (0.111 R)
• M18: 9,196,679 km (0.098 R)
• M19: 10,095,463 km (0.115 R)
• M20: 10,341,402 km (0.069 R)
• M21: 13,318,250 km (0.075 R)
• M22: 14,654,009 km (0.085 R)
• M23: 16,548,367 km (0.12 R)
• M24: 18,018,016 km (0.053 R)
• M25: 18,895,857 km (0.06 R)
• M26: 26,409,559 km (0.06 R)
• M27: 26,971,449 km (0.083 R)
• M28: 29,199,560 km (0.096 R)
• M29: 32,180,148 km (0.054 R)
• M30: 34,460,917 km (0.068 R)
• M31: 37,314,197 km (0.114 R)
• M32: 42,200,512 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.9

Radius: 3.7

Gravity: 51.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.89 AU - 7.11 AU

Year: 12784 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,106,768 km

• M1: 46,076 km (0.098 R)
• M2: 173,982 km (0.059 R)
• M3: 292,464 km (0.12 R)
• M4: 521,947 km (0.12 R)
• M5: 784,491 km (0.109 R)
• M6: 1,023,249 km (0.075 R)
• M7: 1,229,395 km (0.056 R)
• M8: 1,377,198 km (0.119 R)
• M9: 2,109,480 km (0.1 R)
• M10: 4,083,573 km (0.086 R)
• M11: 5,300,552 km (0.103 R)
• M12: 5,657,043 km (0.077 R)
• M13: 6,067,540 km (0.101 R)
• M14: 7,461,643 km (0.076 R)
• M15: 8,906,758 km (0.059 R)
• M16: 9,985,359 km (0.071 R)
• M17: 10,920,046 km (0.095 R)
• M18: 11,791,903 km (0.079 R)
• M19: 18,016,670 km (0.064 R)
• M20: 18,335,164 km (0.064 R)
• M21: 19,147,929 km (0.115 R)
• M22: 19,646,988 km (0.11 R)
• M23: 19,984,331 km (0.105 R)
• M24: 20,670,835 km (0.095 R)
• M25: 22,824,446 km (0.113 R)
• M26: 25,922,319 km (0.114 R)
• M27: 27,994,250 km (0.105 R)
• M28: 30,735,930 km (0.03 R)
• M29: 34,134,345 km (0.084 R)
• M30: 34,499,513 km (0.057 R)
• M31: 37,001,238 km (0.075 R)
• M32: 43,778,919 km (0.115 R)
• M33: 44,644,044 km (0.104 R)
• M34: 47,156,690 km (0.093 R)
• M35: 48,524,313 km (0.115 R)
• M36: 51,657,790 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.4

Radius: 3.5

Gravity: 49.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.05 AU - 9.81 AU

Year: 16895 Days

Day: 22.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,106,768 km

• M1: 43,683 km (0.074 R)
• M2: 153,188 km (0.082 R)
• M3: 681,119 km (0.043 R)
• M4: 824,883 km (0.087 R)
• M5: 1,072,318 km (0.103 R)
• M6: 1,426,416 km (0.119 R)
• M7: 1,835,566 km (0.059 R)
• M8: 2,360,505 km (0.113 R)
• M9: 2,669,125 km (0.115 R)
• M10: 3,130,036 km (0.103 R)
• M11: 3,903,008 km (0.104 R)
• M12: 5,325,535 km (0.108 R)
• M13: 5,932,902 km (0.117 R)
• M14: 6,253,490 km (0.116 R)
• M15: 7,604,808 km (0.025 R)
• M16: 7,839,676 km (0.04 R)
• M17: 9,086,724 km (0.06 R)
• M18: 9,351,213 km (0.119 R)
• M19: 9,895,301 km (0.031 R)
• M20: 10,750,701 km (0.117 R)
• M21: 11,106,296 km (0.082 R)
• M22: 13,474,280 km (0.063 R)
• M23: 13,611,013 km (0.066 R)
• M24: 16,781,590 km (0.077 R)
• M25: 23,232,101 km (0.101 R)
• M26: 31,396,853 km (0.026 R)
• M27: 32,244,175 km (0.101 R)
• M28: 38,606,722 km (0.068 R)
• M29: 41,139,265 km (0.106 R)
• M30: 41,861,972 km (0.053 R)
• M31: 44,382,247 km (0.109 R)
• M32: 45,911,138 km (0.092 R)
• M33: 49,885,953 km (0.078 R)
• M34: 51,705,213 km (0.026 R)
• M35: 57,248,263 km (0.046 R)
• M36: 62,412,232 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit