🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 12.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.09 AU - 1.09 AU

Year: 735 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,439,274 km

• M1: 155,432 km (0.087 R)
• M2: 583,731 km (0.115 R)
• M3: 1,045,689 km (0.091 R)
• M4: 1,880,744 km (0.097 R)
• M5: 2,380,850 km (0.101 R)
• M6: 2,956,802 km (0.101 R)
• M7: 4,087,463 km (0.107 R)
• M8: 4,812,713 km (0.108 R)
• M9: 5,998,725 km (0.053 R)
• M10: 7,702,346 km (0.074 R)
• M11: 8,370,001 km (0.03 R)
• M12: 8,968,991 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 10.2

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.04 AU - 1.38 AU

Year: 859 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,439,274 km

• M1: 126,859 km (0.09 R)
• M2: 453,282 km (0.099 R)
• M3: 787,483 km (0.032 R)
• M4: 1,170,304 km (0.064 R)
• M5: 2,064,451 km (0.077 R)
• M6: 2,498,434 km (0.057 R)
• M7: 2,825,305 km (0.116 R)
• M8: 3,291,901 km (0.035 R)
• M9: 3,686,391 km (0.04 R)
• M10: 4,031,214 km (0.037 R)
• M11: 4,642,172 km (0.077 R)
• M12: 5,652,855 km (0.069 R)
• M13: 6,352,524 km (0.047 R)
• M14: 8,183,153 km (0.07 R)
• M15: 9,078,646 km (0.111 R)
• M16: 9,419,879 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.9

Radius: 8.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.28 AU - 1.8 AU

Year: 1234 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,439,274 km

• M1: 110,852 km (0.042 R)
• M2: 424,708 km (0.113 R)
• M3: 1,126,921 km (0.099 R)
• M4: 1,471,445 km (0.107 R)
• M5: 1,754,783 km (0.081 R)
• M6: 2,095,567 km (0.119 R)
• M7: 3,098,770 km (0.105 R)
• M8: 4,007,727 km (0.111 R)
• M9: 4,358,833 km (0.08 R)
• M10: 4,693,932 km (0.094 R)
• M11: 4,970,688 km (0.094 R)
• M12: 5,516,721 km (0.092 R)
• M13: 6,705,425 km (0.088 R)
• M14: 7,057,429 km (0.118 R)
• M15: 7,875,281 km (0.113 R)
• M16: 8,590,359 km (0.075 R)
• M17: 9,034,215 km (0.115 R)
• M18: 10,028,144 km (0.075 R)
• M19: 10,520,321 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 10.6

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.36 AU - 3.4 AU

Year: 3156 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,439,274 km

• M1: 131,796 km (0.078 R)
• M2: 531,222 km (0.12 R)
• M3: 921,074 km (0.093 R)
• M4: 1,293,423 km (0.027 R)
• M5: 2,020,170 km (0.047 R)
• M6: 3,035,341 km (0.093 R)
• M7: 4,117,083 km (0.114 R)
• M8: 5,282,301 km (0.101 R)
• M9: 6,068,587 km (0.073 R)
• M10: 6,504,815 km (0.034 R)
• M11: 9,158,980 km (0.077 R)
• M12: 10,621,299 km (0.108 R)
• M13: 11,473,558 km (0.114 R)
• M14: 11,961,547 km (0.08 R)
• M15: 12,555,899 km (0.077 R)
• M16: 14,458,036 km (0.086 R)
• M17: 15,080,064 km (0.109 R)
• M18: 17,456,576 km (0.071 R)
• M19: 19,132,072 km (0.104 R)
• M20: 19,755,596 km (0.074 R)
• M21: 20,521,836 km (0.08 R)
• M22: 20,977,810 km (0.115 R)
• M23: 23,501,227 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 10.3

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.63 AU - 3.41 AU

Year: 3389 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,439,274 km

• M1: 128,205 km (0.069 R)
• M2: 548,127 km (0.05 R)
• M3: 908,957 km (0.104 R)
• M4: 1,244,654 km (0.058 R)
• M5: 1,948,512 km (0.036 R)
• M6: 2,568,446 km (0.115 R)
• M7: 3,875,333 km (0.12 R)
• M8: 5,581,197 km (0.113 R)
• M9: 6,316,172 km (0.055 R)
• M10: 7,875,281 km (0.106 R)
• M11: 9,098,243 km (0.086 R)
• M12: 9,519,810 km (0.065 R)
• M13: 10,736,340 km (0.088 R)
• M14: 11,382,154 km (0.08 R)
• M15: 13,723,211 km (0.098 R)
• M16: 16,650,243 km (0.041 R)
• M17: 16,992,822 km (0.097 R)
• M18: 17,515,667 km (0.113 R)
• M19: 17,870,064 km (0.104 R)
• M20: 19,273,292 km (0.077 R)
• M21: 20,486,830 km (0.09 R)
• M22: 23,420,295 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 9.7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.85 AU - 5.95 AU

Year: 7003 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,439,274 km

• M1: 124,914 km (0.099 R)
• M2: 503,546 km (0.116 R)
• M3: 1,175,540 km (0.107 R)
• M4: 1,928,317 km (0.084 R)
• M5: 2,933,315 km (0.062 R)
• M6: 3,752,513 km (0.025 R)
• M7: 4,717,120 km (0.069 R)
• M8: 6,799,672 km (0.076 R)
• M9: 8,901,672 km (0.117 R)
• M10: 9,659,086 km (0.089 R)
• M11: 13,179,722 km (0.12 R)
• M12: 13,986,204 km (0.107 R)
• M13: 14,947,520 km (0.058 R)
• M14: 15,381,803 km (0.086 R)
• M15: 15,697,155 km (0.119 R)
• M16: 16,405,950 km (0.053 R)
• M17: 18,236,429 km (0.092 R)
• M18: 20,730,226 km (0.042 R)
• M19: 21,348,514 km (0.043 R)
• M20: 22,298,909 km (0.103 R)
• M21: 24,198,802 km (0.078 R)
• M22: 26,115,001 km (0.081 R)
• M23: 27,293,533 km (0.103 R)
• M24: 30,543,397 km (0.078 R)
• M25: 31,546,301 km (0.113 R)
• M26: 33,091,498 km (0.109 R)
• M27: 36,779,833 km (0.107 R)
• M28: 39,072,869 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.2

Radius: 5.8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.75 AU - 7.41 AU

Year: 9680 Days

Day: 22.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,439,274 km

• M1: 72,106 km (0.077 R)
• M2: 380,876 km (0.096 R)
• M3: 662,419 km (0.104 R)
• M4: 886,816 km (0.078 R)
• M5: 2,104,992 km (0.097 R)
• M6: 2,431,713 km (0.093 R)
• M7: 2,933,016 km (0.116 R)
• M8: 3,341,119 km (0.04 R)
• M9: 3,665,447 km (0.091 R)
• M10: 3,985,287 km (0.1 R)
• M11: 4,596,544 km (0.088 R)
• M12: 4,880,930 km (0.11 R)
• M13: 5,772,832 km (0.07 R)
• M14: 6,138,001 km (0.078 R)
• M15: 8,117,180 km (0.11 R)
• M16: 11,385,146 km (0.117 R)
• M17: 13,507,940 km (0.103 R)
• M18: 14,270,590 km (0.119 R)
• M19: 16,074,441 km (0.077 R)
• M20: 24,043,669 km (0.116 R)
• M21: 24,469,574 km (0.077 R)
• M22: 26,766,500 km (0.118 R)
• M23: 28,154,918 km (0.075 R)
• M24: 32,296,984 km (0.104 R)
• M25: 33,024,628 km (0.111 R)
• M26: 36,490,511 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.4

Radius: 4.8

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.58 AU - 6.72 AU

Year: 11073 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,439,274 km

• M1: 59,690 km (0.116 R)
• M2: 361,129 km (0.063 R)
• M3: 534,364 km (0.064 R)
• M4: 897,438 km (0.119 R)
• M5: 1,213,688 km (0.028 R)
• M6: 1,988,305 km (0.087 R)
• M7: 4,129,649 km (0.076 R)
• M8: 6,832,733 km (0.083 R)
• M9: 10,384,187 km (0.071 R)
• M10: 10,766,559 km (0.062 R)
• M11: 15,488,915 km (0.112 R)
• M12: 17,886,969 km (0.119 R)
• M13: 19,712,811 km (0.101 R)
• M14: 21,814,062 km (0.106 R)
• M15: 23,812,391 km (0.039 R)
• M16: 26,988,802 km (0.102 R)
• M17: 30,243,005 km (0.119 R)
• M18: 30,728,300 km (0.046 R)
• M19: 31,120,247 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976

Radius: 4.6

Gravity: 46.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.87 AU - 10.97 AU

Year: 17201 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,439,274 km

• M1: 58,792 km (0.076 R)
• M2: 974,331 km (0.069 R)
• M3: 1,448,855 km (0.085 R)
• M4: 3,548,312 km (0.116 R)
• M5: 4,040,489 km (0.028 R)
• M6: 4,576,797 km (0.057 R)
• M7: 4,898,732 km (0.103 R)
• M8: 5,508,044 km (0.091 R)
• M9: 6,558,969 km (0.075 R)
• M10: 6,784,114 km (0.111 R)
• M11: 7,490,814 km (0.09 R)
• M12: 8,454,972 km (0.107 R)
• M13: 8,614,444 km (0.115 R)
• M14: 9,499,016 km (0.096 R)
• M15: 10,936,951 km (0.095 R)
• M16: 12,582,827 km (0.104 R)
• M17: 12,860,630 km (0.106 R)
• M18: 16,438,412 km (0.036 R)
• M19: 18,767,053 km (0.118 R)
• M20: 22,302,499 km (0.062 R)
• M21: 23,538,178 km (0.109 R)
• M22: 24,172,772 km (0.114 R)
• M23: 26,483,610 km (0.067 R)
• M24: 30,780,659 km (0.106 R)
• M25: 32,831,048 km (0.102 R)
• M26: 38,642,925 km (0.088 R)
• M27: 40,421,345 km (0.071 R)
• M28: 41,944,251 km (0.032 R)
• M29: 45,591,597 km (0.073 R)
• M30: 48,759,481 km (0.112 R)
• M31: 59,526,638 km (0.102 R)
• M32: 63,304,583 km (0.081 R)
• M33: 68,728,852 km (0.087 R)
• M34: 76,739,070 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.5

Radius: 5.6

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.41 AU - 11.03 AU

Year: 22662 Days

Day: 16.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,439,274 km

• M1: 69,713 km (0.09 R)
• M2: 608,115 km (0.112 R)
• M3: 2,993,154 km (0.025 R)
• M4: 3,583,467 km (0.085 R)
• M5: 4,377,383 km (0.12 R)
• M6: 5,027,685 km (0.07 R)
• M7: 6,777,831 km (0.116 R)
• M8: 11,611,039 km (0.109 R)
• M9: 13,957,481 km (0.087 R)
• M10: 17,581,041 km (0.102 R)
• M11: 19,563,362 km (0.095 R)
• M12: 20,103,859 km (0.114 R)
• M13: 29,687,548 km (0.093 R)
• M14: 34,012,422 km (0.07 R)
• M15: 36,799,131 km (0.062 R)
• M16: 39,448,211 km (0.101 R)
• M17: 43,885,433 km (0.114 R)
• M18: 45,592,345 km (0.044 R)
• M19: 48,480,182 km (0.052 R)
• M20: 53,385,496 km (0.08 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: 471 - 12,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit