🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 11.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.82 AU

Year: 435 Days

Day: 7 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,984,623 km

• M1: 147,204 km (0.054 R)
• M2: 534,812 km (0.095 R)
• M3: 1,055,263 km (0.052 R)
• M4: 1,555,219 km (0.101 R)
• M5: 2,392,968 km (0.094 R)
• M6: 3,406,344 km (0.103 R)
• M7: 4,192,780 km (0.112 R)
• M8: 5,096,650 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 9.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.1 AU - 1.38 AU

Year: 906 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,984,623 km

• M1: 115,639 km (0.076 R)
• M2: 478,713 km (0.076 R)
• M3: 1,137,692 km (0.096 R)
• M4: 2,191,160 km (0.113 R)
• M5: 2,817,078 km (0.046 R)
• M6: 3,841,673 km (0.044 R)
• M7: 5,060,148 km (0.06 R)
• M8: 5,577,906 km (0.118 R)
• M9: 6,301,212 km (0.114 R)
• M10: 7,202,838 km (0.039 R)
• M11: 8,553,557 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 14.8

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.27 AU - 2.63 AU

Year: 2516 Days

Day: 11.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,984,623 km

• M1: 184,005 km (0.098 R)
• M2: 688,898 km (0.056 R)
• M3: 1,369,419 km (0.073 R)
• M4: 1,986,809 km (0.117 R)
• M5: 2,499,032 km (0.12 R)
• M6: 3,419,957 km (0.079 R)
• M7: 5,170,252 km (0.09 R)
• M8: 5,790,036 km (0.079 R)
• M9: 6,382,144 km (0.087 R)
• M10: 7,776,247 km (0.115 R)
• M11: 8,686,251 km (0.063 R)
• M12: 9,905,473 km (0.116 R)
• M13: 10,502,668 km (0.107 R)
• M14: 11,424,490 km (0.111 R)
• M15: 12,319,684 km (0.113 R)
• M16: 13,052,564 km (0.086 R)
• M17: 15,426,832 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 14.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.83 AU - 4.75 AU

Year: 5829 Days

Day: 9.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,984,623 km

• M1: 177,423 km (0.076 R)
• M2: 952,938 km (0.098 R)
• M3: 3,366,251 km (0.116 R)
• M4: 3,845,563 km (0.081 R)
• M5: 4,943,611 km (0.093 R)
• M6: 9,730,893 km (0.104 R)
• M7: 12,135,978 km (0.116 R)
• M8: 13,681,922 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.04 AU - 5.28 AU

Year: 7689 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 53.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,984,623 km

• M1: 161,566 km (0.092 R)
• M2: 566,378 km (0.097 R)
• M3: 1,102,387 km (0.118 R)
• M4: 1,779,317 km (0.091 R)
• M5: 2,741,082 km (0.064 R)
• M6: 3,719,452 km (0.111 R)
• M7: 5,039,204 km (0.063 R)
• M8: 5,673,350 km (0.076 R)
• M9: 6,468,163 km (0.111 R)
• M10: 7,375,025 km (0.092 R)
• M11: 7,942,301 km (0.057 R)
• M12: 9,210,143 km (0.101 R)
• M13: 9,868,672 km (0.101 R)
• M14: 11,332,787 km (0.091 R)
• M15: 11,760,936 km (0.106 R)
• M16: 13,286,984 km (0.051 R)
• M17: 16,798,046 km (0.059 R)
• M18: 19,178,297 km (0.119 R)
• M19: 20,567,463 km (0.098 R)
• M20: 21,530,126 km (0.101 R)
• M21: 23,201,134 km (0.087 R)
• M22: 24,068,353 km (0.047 R)
• M23: 25,592,007 km (0.12 R)
• M24: 27,948,173 km (0.105 R)
• M25: 29,934,684 km (0.108 R)
• M26: 34,521,504 km (0.115 R)
• M27: 35,651,716 km (0.03 R)
• M28: 42,570,019 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.4

Radius: 5.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.75 AU - 7.19 AU

Year: 9569 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,984,623 km

• M1: 70,610 km (0.116 R)
• M2: 346,618 km (0.105 R)
• M3: 535,860 km (0.077 R)
• M4: 842,086 km (0.088 R)
• M5: 1,017,864 km (0.116 R)
• M6: 1,198,279 km (0.067 R)
• M7: 1,445,415 km (0.096 R)
• M8: 1,637,049 km (0.078 R)
• M9: 1,928,616 km (0.047 R)
• M10: 2,463,578 km (0.048 R)
• M11: 2,703,234 km (0.045 R)
• M12: 4,635,888 km (0.068 R)
• M13: 4,922,219 km (0.084 R)
• M14: 5,110,562 km (0.03 R)
• M15: 7,799,584 km (0.08 R)
• M16: 9,589,074 km (0.099 R)
• M17: 9,968,604 km (0.107 R)
• M18: 10,402,138 km (0.062 R)
• M19: 12,067,163 km (0.111 R)
• M20: 13,167,754 km (0.097 R)
• M21: 13,636,744 km (0.103 R)
• M22: 14,663,284 km (0.104 R)
• M23: 15,798,582 km (0.094 R)
• M24: 16,032,404 km (0.063 R)
• M25: 17,236,667 km (0.105 R)
• M26: 18,051,077 km (0.112 R)
• M27: 19,621,406 km (0.096 R)
• M28: 24,250,114 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.5

Radius: 4.2

Gravity: 56.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.54 AU - 7.2 AU

Year: 10547 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 37,984,623 km

• M1: 52,509 km (0.088 R)
• M2: 223,649 km (0.091 R)
• M3: 425,756 km (0.076 R)
• M4: 1,437,636 km (0.114 R)
• M5: 1,946,867 km (0.118 R)
• M6: 2,321,011 km (0.065 R)
• M7: 2,877,066 km (0.031 R)
• M8: 3,064,812 km (0.058 R)
• M9: 3,759,394 km (0.096 R)
• M10: 4,070,558 km (0.087 R)
• M11: 4,907,109 km (0.12 R)
• M12: 5,073,612 km (0.116 R)
• M13: 5,313,268 km (0.03 R)
• M14: 5,889,369 km (0.081 R)
• M15: 6,154,008 km (0.036 R)
• M16: 6,545,954 km (0.111 R)
• M17: 7,598,225 km (0.034 R)
• M18: 11,657,863 km (0.084 R)
• M19: 13,066,177 km (0.087 R)
• M20: 13,844,236 km (0.115 R)
• M21: 14,998,683 km (0.095 R)
• M22: 19,419,000 km (0.087 R)
• M23: 19,920,602 km (0.107 R)
• M24: 20,516,600 km (0.095 R)
• M25: 23,019,821 km (0.079 R)
• M26: 27,248,803 km (0.079 R)
• M27: 28,408,187 km (0.083 R)
• M28: 33,613,744 km (0.077 R)
• M29: 36,188,024 km (0.115 R)
• M30: 36,819,776 km (0.037 R)
• M31: 38,627,666 km (0.112 R)
• M32: 41,449,082 km (0.11 R)
• M33: 43,974,444 km (0.089 R)
• M34: 46,600,335 km (0.098 R)
• M35: 52,805,954 km (0.112 R)
• M36: 53,618,270 km (0.064 R)
• M37: 54,604,120 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.8

Radius: 3

Gravity: 21.2 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.03 AU - 7.89 AU

Year: 13366 Days

Day: 24.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,984,623 km

• M1: 67,768 km (0.085 R)
• M2: 696,677 km (0.101 R)
• M3: 809,474 km (0.072 R)
• M4: 1,124,527 km (0.086 R)
• M5: 1,280,707 km (0.075 R)
• M6: 1,400,984 km (0.032 R)
• M7: 1,609,224 km (0.081 R)
• M8: 1,882,540 km (0.053 R)
• M9: 13,561,795 km (0.105 R)
• M10: 16,629,599 km (0.117 R)
• M11: 17,632,951 km (0.11 R)
• M12: 18,464,117 km (0.095 R)
• M13: 29,012,113 km (0.107 R)
• M14: 35,101,046 km (0.085 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: 388 - 14,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit