🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 9.8

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.12 AU - 1.16 AU

Year: 786 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,531,921 km

• M1: 121,922 km (0.051 R)
• M2: 1,018,163 km (0.062 R)
• M3: 1,333,216 km (0.104 R)
• M4: 1,827,637 km (0.039 R)
• M5: 2,856,871 km (0.087 R)
• M6: 3,772,410 km (0.061 R)
• M7: 5,178,330 km (0.037 R)
• M8: 5,573,867 km (0.043 R)
• M9: 6,194,549 km (0.072 R)
• M10: 6,684,482 km (0.11 R)
• M11: 7,502,932 km (0.106 R)
• M12: 8,134,534 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 10.9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.96 AU - 1.5 AU

Year: 881 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,531,921 km

• M1: 135,536 km (0.108 R)
• M2: 822,190 km (0.074 R)
• M3: 1,255,575 km (0.079 R)
• M4: 1,704,219 km (0.1 R)
• M5: 2,158,548 km (0.104 R)
• M6: 2,512,945 km (0.082 R)
• M7: 3,422,500 km (0.082 R)
• M8: 4,183,953 km (0.119 R)
• M9: 4,672,540 km (0.103 R)
• M10: 5,882,487 km (0.117 R)
• M11: 6,754,493 km (0.066 R)
• M12: 7,475,256 km (0.088 R)
• M13: 8,754,767 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.8

Radius: 13.8

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.29 AU - 1.41 AU

Year: 1013 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 116.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,531,921 km

• M1: 172,636 km (0.092 R)
• M2: 604,675 km (0.049 R)
• M3: 1,543,850 km (0.076 R)
• M4: 2,118,156 km (0.104 R)
• M5: 2,740,483 km (0.103 R)
• M6: 4,785,636 km (0.04 R)
• M7: 7,261,331 km (0.066 R)
• M8: 7,796,443 km (0.073 R)
• M9: 8,712,430 km (0.1 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 11.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.22 AU - 2.24 AU

Year: 2150 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,531,921 km

• M1: 148,102 km (0.12 R)
• M2: 687,402 km (0.104 R)
• M3: 1,068,428 km (0.064 R)
• M4: 1,576,911 km (0.079 R)
• M5: 2,133,565 km (0.107 R)
• M6: 2,645,190 km (0.106 R)
• M7: 3,046,710 km (0.072 R)
• M8: 3,681,304 km (0.12 R)
• M9: 4,243,194 km (0.066 R)
• M10: 4,861,632 km (0.089 R)
• M11: 6,781,122 km (0.033 R)
• M12: 8,138,723 km (0.086 R)
• M13: 8,736,216 km (0.087 R)
• M14: 9,128,462 km (0.068 R)
• M15: 9,878,396 km (0.084 R)
• M16: 10,268,398 km (0.034 R)
• M17: 10,779,873 km (0.042 R)
• M18: 11,462,338 km (0.119 R)
• M19: 13,466,800 km (0.098 R)
• M20: 14,035,571 km (0.109 R)
• M21: 14,529,394 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 11.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.07 AU - 2.49 AU

Year: 2223 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,531,921 km

• M1: 144,212 km (0.114 R)
• M2: 531,671 km (0.057 R)
• M3: 952,190 km (0.108 R)
• M4: 1,312,871 km (0.096 R)
• M5: 1,900,043 km (0.069 R)
• M6: 2,287,950 km (0.095 R)
• M7: 2,909,230 km (0.071 R)
• M8: 3,785,574 km (0.087 R)
• M9: 4,917,731 km (0.107 R)
• M10: 5,372,658 km (0.115 R)
• M11: 5,781,509 km (0.104 R)
• M12: 6,289,094 km (0.053 R)
• M13: 6,798,625 km (0.079 R)
• M14: 7,452,218 km (0.095 R)
• M15: 8,023,383 km (0.108 R)
• M16: 9,737,026 km (0.065 R)
• M17: 10,568,192 km (0.103 R)
• M18: 11,563,915 km (0.1 R)
• M19: 13,433,739 km (0.106 R)
• M20: 14,974,298 km (0.102 R)
• M21: 15,885,050 km (0.06 R)
• M22: 17,293,813 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 9.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.01 AU - 2.79 AU

Year: 2401 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,531,921 km

• M1: 116,686 km (0.103 R)
• M2: 423,212 km (0.116 R)
• M3: 736,620 km (0.088 R)
• M4: 1,110,016 km (0.108 R)
• M5: 1,459,477 km (0.066 R)
• M6: 2,102,748 km (0.089 R)
• M7: 2,820,518 km (0.087 R)
• M8: 3,571,350 km (0.055 R)
• M9: 4,717,419 km (0.11 R)
• M10: 5,072,265 km (0.114 R)
• M11: 5,835,813 km (0.058 R)
• M12: 6,513,940 km (0.031 R)
• M13: 7,465,233 km (0.113 R)
• M14: 7,948,284 km (0.077 R)
• M15: 9,700,973 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 12.3

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.28 AU - 3.8 AU

Year: 4301 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,531,921 km

• M1: 153,338 km (0.116 R)
• M2: 578,944 km (0.1 R)
• M3: 1,014,423 km (0.047 R)
• M4: 1,465,760 km (0.074 R)
• M5: 2,247,110 km (0.103 R)
• M6: 2,876,468 km (0.096 R)
• M7: 3,270,957 km (0.1 R)
• M8: 3,681,304 km (0.119 R)
• M9: 4,148,349 km (0.117 R)
• M10: 4,751,378 km (0.095 R)
• M11: 5,228,446 km (0.089 R)
• M12: 5,933,201 km (0.099 R)
• M13: 7,076,129 km (0.12 R)
• M14: 7,532,552 km (0.087 R)
• M15: 8,289,368 km (0.068 R)
• M16: 12,384,759 km (0.113 R)
• M17: 13,538,159 km (0.108 R)
• M18: 14,920,144 km (0.064 R)
• M19: 16,113,935 km (0.097 R)
• M20: 17,429,050 km (0.041 R)
• M21: 21,803,740 km (0.105 R)
• M22: 23,988,467 km (0.117 R)
• M23: 24,797,642 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 8.6

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.85 AU - 4.07 AU

Year: 5088 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,531,921 km

• M1: 106,962 km (0.041 R)
• M2: 419,472 km (0.112 R)
• M3: 1,348,625 km (0.111 R)
• M4: 1,634,058 km (0.11 R)
• M5: 2,728,366 km (0.03 R)
• M6: 3,113,580 km (0.037 R)
• M7: 3,640,763 km (0.114 R)
• M8: 3,925,897 km (0.095 R)
• M9: 4,667,005 km (0.06 R)
• M10: 5,220,068 km (0.106 R)
• M11: 6,084,893 km (0.096 R)
• M12: 7,245,174 km (0.065 R)
• M13: 7,950,379 km (0.117 R)
• M14: 8,700,463 km (0.041 R)
• M15: 9,415,092 km (0.036 R)
• M16: 10,040,111 km (0.116 R)
• M17: 11,097,170 km (0.101 R)
• M18: 11,465,480 km (0.077 R)
• M19: 14,062,200 km (0.101 R)
• M20: 15,101,606 km (0.062 R)
• M21: 16,368,251 km (0.027 R)
• M22: 16,665,652 km (0.088 R)
• M23: 19,574,133 km (0.077 R)
• M24: 22,291,728 km (0.112 R)
• M25: 23,101,502 km (0.108 R)
• M26: 24,468,677 km (0.109 R)
• M27: 25,489,084 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.7

Radius: 3.7

Gravity: 67.18 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.12 AU - 11.04 AU

Year: 19145 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,531,921 km

• M1: 54,454 km (0.096 R)
• M2: 439,369 km (0.045 R)
• M3: 1,144,573 km (0.051 R)
• M4: 1,349,971 km (0.102 R)
• M5: 1,614,460 km (0.12 R)
• M6: 1,777,971 km (0.105 R)
• M7: 2,074,773 km (0.076 R)
• M8: 2,246,062 km (0.094 R)
• M9: 2,617,215 km (0.062 R)
• M10: 4,207,141 km (0.083 R)
• M11: 6,126,332 km (0.039 R)
• M12: 6,615,517 km (0.107 R)
• M13: 7,570,849 km (0.034 R)
• M14: 7,823,370 km (0.109 R)
• M15: 9,399,833 km (0.112 R)
• M16: 11,306,457 km (0.117 R)
• M17: 13,382,577 km (0.116 R)
• M18: 15,136,612 km (0.104 R)
• M19: 16,696,618 km (0.066 R)
• M20: 19,372,625 km (0.118 R)
• M21: 20,713,770 km (0.067 R)
• M22: 21,507,387 km (0.12 R)
• M23: 25,667,853 km (0.079 R)
• M24: 26,237,073 km (0.105 R)
• M25: 26,582,794 km (0.117 R)
• M26: 26,698,582 km (0.089 R)
• M27: 28,842,619 km (0.112 R)
• M28: 29,831,162 km (0.117 R)
• M29: 30,333,960 km (0.04 R)
• M30: 35,816,423 km (0.116 R)
• M31: 38,123,521 km (0.074 R)
• M32: 45,469,674 km (0.06 R)
• M33: 51,875,605 km (0.069 R)
• M34: 58,464,643 km (0.1 R)
• M35: 60,444,870 km (0.113 R)
• M36: 66,013,501 km (0.09 R)
• M37: 68,594,663 km (0.117 R)
• M38: 69,031,189 km (0.105 R)
• M39: 72,591,020 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit