🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.8

Radius: 8.2

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,311,885 km

• M1: 102,475 km (0.056 R)
• M2: 570,716 km (0.088 R)
• M3: 884,123 km (0.064 R)
• M4: 1,148,912 km (0.112 R)
• M5: 1,641,687 km (0.09 R)
• M6: 2,182,783 km (0.054 R)
• M7: 2,448,768 km (0.094 R)
• M8: 3,047,159 km (0.106 R)
• M9: 3,427,437 km (0.086 R)
• M10: 3,864,412 km (0.081 R)
• M11: 4,365,415 km (0.096 R)
• M12: 4,791,021 km (0.09 R)
• M13: 5,059,400 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 12.2

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,311,885 km

• M1: 151,692 km (0.074 R)
• M2: 534,364 km (0.092 R)
• M3: 1,038,658 km (0.06 R)
• M4: 1,425,817 km (0.091 R)
• M5: 2,125,187 km (0.109 R)
• M6: 2,879,161 km (0.071 R)
• M7: 3,546,068 km (0.081 R)
• M8: 4,389,950 km (0.114 R)
• M9: 4,901,125 km (0.117 R)
• M10: 5,596,008 km (0.095 R)
• M11: 6,335,769 km (0.11 R)
• M12: 7,182,643 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 12.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.15 AU - 1.71 AU

Year: 1180 Days

Day: 10 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,311,885 km

• M1: 156,629 km (0.077 R)
• M2: 548,426 km (0.098 R)
• M3: 1,025,493 km (0.093 R)
• M4: 1,417,739 km (0.073 R)
• M5: 2,253,542 km (0.107 R)
• M6: 2,648,032 km (0.093 R)
• M7: 3,380,164 km (0.026 R)
• M8: 4,138,775 km (0.11 R)
• M9: 4,586,820 km (0.069 R)
• M10: 5,167,260 km (0.095 R)
• M11: 5,928,264 km (0.047 R)
• M12: 7,412,724 km (0.08 R)
• M13: 7,886,949 km (0.103 R)
• M14: 9,341,789 km (0.03 R)
• M15: 10,537,076 km (0.119 R)
• M16: 10,935,006 km (0.094 R)
• M17: 11,411,924 km (0.075 R)
• M18: 11,974,113 km (0.088 R)

Asteroid Belt

Center: 1.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 10.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.78 AU - 2.28 AU

Year: 1996 Days

Day: 13.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,311,885 km

• M1: 132,993 km (0.118 R)
• M2: 491,130 km (0.076 R)
• M3: 921,672 km (0.119 R)
• M4: 1,319,004 km (0.11 R)
• M5: 1,831,527 km (0.078 R)
• M6: 2,231,252 km (0.106 R)
• M7: 2,871,232 km (0.059 R)
• M8: 3,575,090 km (0.112 R)
• M9: 3,929,637 km (0.113 R)
• M10: 4,601,780 km (0.1 R)
• M11: 5,091,264 km (0.061 R)
• M12: 5,789,438 km (0.053 R)
• M13: 6,441,535 km (0.079 R)
• M14: 6,940,743 km (0.105 R)
• M15: 7,676,914 km (0.054 R)
• M16: 8,270,668 km (0.059 R)
• M17: 9,585,035 km (0.109 R)
• M18: 10,348,134 km (0.048 R)
• M19: 10,687,421 km (0.079 R)
• M20: 11,151,324 km (0.079 R)
• M21: 13,274,417 km (0.104 R)
• M22: 16,506,928 km (0.09 R)
• M23: 17,232,328 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.8

Radius: 14.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.27 AU - 2.49 AU

Year: 2534 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,311,885 km

• M1: 181,761 km (0.055 R)
• M2: 900,729 km (0.114 R)
• M3: 1,659,340 km (0.039 R)
• M4: 2,178,295 km (0.107 R)
• M5: 2,790,748 km (0.118 R)
• M6: 3,355,181 km (0.091 R)
• M7: 4,474,472 km (0.075 R)
• M8: 5,229,194 km (0.075 R)
• M9: 6,589,637 km (0.105 R)
• M10: 7,980,149 km (0.061 R)
• M11: 8,676,677 km (0.067 R)
• M12: 11,254,846 km (0.045 R)
• M13: 12,697,418 km (0.069 R)
• M14: 13,463,509 km (0.092 R)
• M15: 14,500,522 km (0.075 R)
• M16: 16,521,589 km (0.079 R)
• M17: 18,268,892 km (0.111 R)
• M18: 19,480,784 km (0.105 R)
• M19: 20,136,621 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.3

Radius: 12.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.89 AU - 6.17 AU

Year: 7787 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,311,885 km

• M1: 151,842 km (0.116 R)
• M2: 639,830 km (0.045 R)
• M3: 1,075,160 km (0.055 R)
• M4: 1,917,246 km (0.089 R)
• M5: 2,787,308 km (0.098 R)
• M6: 3,612,041 km (0.044 R)
• M7: 4,005,184 km (0.081 R)
• M8: 5,455,236 km (0.109 R)
• M9: 9,777,418 km (0.061 R)
• M10: 11,883,606 km (0.095 R)
• M11: 14,276,574 km (0.115 R)
• M12: 16,502,889 km (0.069 R)
• M13: 18,805,649 km (0.043 R)
• M14: 22,117,746 km (0.071 R)
• M15: 23,697,948 km (0.096 R)
• M16: 25,352,351 km (0.09 R)
• M17: 26,804,049 km (0.105 R)
• M18: 30,172,095 km (0.073 R)
• M19: 31,286,300 km (0.08 R)
• M20: 34,355,301 km (0.073 R)
• M21: 35,014,429 km (0.11 R)
• M22: 38,673,294 km (0.085 R)
• M23: 40,962,291 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876

Radius: 5.5

Gravity: 28.96 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.47 AU - 6.77 AU

Year: 11757 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,311,885 km

• M1: 80,334 km (0.097 R)
• M2: 511,026 km (0.112 R)
• M3: 899,083 km (0.11 R)
• M4: 1,074,113 km (0.117 R)
• M5: 1,539,512 km (0.088 R)
• M6: 2,148,674 km (0.07 R)
• M7: 2,702,336 km (0.085 R)
• M8: 3,194,962 km (0.117 R)
• M9: 3,885,505 km (0.085 R)
• M10: 4,670,894 km (0.103 R)
• M11: 4,866,269 km (0.029 R)
• M12: 5,067,029 km (0.096 R)
• M13: 5,449,701 km (0.055 R)
• M14: 6,155,653 km (0.07 R)
• M15: 8,114,338 km (0.066 R)
• M16: 9,858,051 km (0.066 R)
• M17: 10,509,250 km (0.043 R)
• M18: 10,788,849 km (0.088 R)
• M19: 12,572,205 km (0.095 R)
• M20: 19,085,248 km (0.082 R)
• M21: 21,406,109 km (0.09 R)
• M22: 23,908,582 km (0.076 R)
• M23: 25,379,728 km (0.086 R)
• M24: 26,393,403 km (0.066 R)
• M25: 27,223,671 km (0.105 R)
• M26: 30,041,945 km (0.112 R)
• M27: 31,061,006 km (0.108 R)
• M28: 31,521,319 km (0.108 R)
• M29: 33,168,092 km (0.038 R)
• M30: 37,664,555 km (0.117 R)
• M31: 39,383,285 km (0.072 R)
• M32: 46,033,060 km (0.084 R)
• M33: 47,083,237 km (0.119 R)
• M34: 51,444,464 km (0.106 R)
• M35: 51,927,066 km (0.112 R)
• M36: 53,228,867 km (0.072 R)
• M37: 56,237,280 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.3

Radius: 3.9

Gravity: 56.63 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.85 AU - 7.15 AU

Year: 12784 Days

Day: 19.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,311,885 km

• M1: 48,470 km (0.066 R)
• M2: 293,212 km (0.085 R)
• M3: 1,156,242 km (0.101 R)
• M4: 1,328,728 km (0.113 R)
• M5: 2,636,812 km (0.12 R)
• M6: 3,337,229 km (0.095 R)
• M7: 3,945,494 km (0.038 R)
• M8: 4,400,571 km (0.102 R)
• M9: 6,740,431 km (0.05 R)
• M10: 9,216,725 km (0.1 R)
• M11: 10,014,231 km (0.05 R)
• M12: 10,401,690 km (0.1 R)
• M13: 13,004,543 km (0.035 R)
• M14: 15,419,352 km (0.102 R)
• M15: 17,237,863 km (0.096 R)
• M16: 22,119,242 km (0.108 R)
• M17: 27,202,129 km (0.103 R)
• M18: 40,006,809 km (0.116 R)
• M19: 40,700,494 km (0.119 R)
• M20: 43,995,088 km (0.111 R)
• M21: 44,437,449 km (0.094 R)
• M22: 44,734,102 km (0.1 R)
• M23: 58,417,071 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.6

Radius: 4.9

Gravity: 30.93 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.7 AU - 9.02 AU

Year: 15211 Days

Day: 23.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,311,885 km

• M1: 68,067 km (0.055 R)
• M2: 293,960 km (0.091 R)
• M3: 536,009 km (0.086 R)
• M4: 725,849 km (0.031 R)
• M5: 927,058 km (0.107 R)
• M6: 1,782,758 km (0.093 R)
• M7: 2,507,111 km (0.097 R)
• M8: 3,356,677 km (0.112 R)
• M9: 4,101,375 km (0.025 R)
• M10: 4,319,489 km (0.063 R)
• M11: 4,512,470 km (0.076 R)
• M12: 5,989,899 km (0.046 R)
• M13: 6,859,362 km (0.085 R)
• M14: 8,691,786 km (0.045 R)
• M15: 9,368,866 km (0.106 R)
• M16: 9,912,953 km (0.076 R)
• M17: 10,249,399 km (0.051 R)
• M18: 10,768,354 km (0.102 R)
• M19: 14,612,570 km (0.115 R)
• M20: 19,629,933 km (0.119 R)
• M21: 21,249,929 km (0.081 R)
• M22: 26,001,456 km (0.078 R)
• M23: 27,510,151 km (0.108 R)
• M24: 39,737,383 km (0.056 R)
• M25: 40,728,020 km (0.06 R)
• M26: 55,144,019 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392

Radius: 6

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.08 AU - 10.92 AU

Year: 23485 Days

Day: 17.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,311,885 km

• M1: 77,193 km (0.052 R)
• M2: 271,520 km (0.05 R)
• M3: 636,539 km (0.111 R)
• M4: 940,372 km (0.093 R)
• M5: 1,158,935 km (0.09 R)
• M6: 2,644,890 km (0.107 R)
• M7: 2,884,247 km (0.111 R)
• M8: 4,950,942 km (0.04 R)
• M9: 5,278,411 km (0.065 R)
• M10: 5,816,216 km (0.084 R)
• M11: 7,745,579 km (0.116 R)
• M12: 8,038,043 km (0.098 R)
• M13: 9,501,709 km (0.069 R)
• M14: 9,893,655 km (0.039 R)
• M15: 11,382,004 km (0.077 R)
• M16: 12,810,215 km (0.062 R)
• M17: 13,778,712 km (0.067 R)
• M18: 16,492,268 km (0.077 R)
• M19: 18,058,707 km (0.093 R)
• M20: 18,573,324 km (0.112 R)
• M21: 28,652,031 km (0.045 R)
• M22: 29,234,416 km (0.11 R)
• M23: 30,664,272 km (0.075 R)
• M24: 34,572,966 km (0.114 R)
• M25: 38,943,019 km (0.069 R)
• M26: 42,905,268 km (0.098 R)
• M27: 46,806,182 km (0.08 R)
• M28: 50,937,028 km (0.104 R)
• M29: 51,448,503 km (0.044 R)
• M30: 51,791,381 km (0.098 R)
• M31: 55,484,055 km (0.098 R)
• M32: 57,302,567 km (0.048 R)
• M33: 62,022,080 km (0.103 R)
• M34: 62,996,112 km (0.094 R)
• M35: 64,974,544 km (0.075 R)
• M36: 66,383,906 km (0.107 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 12,479 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit