🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 13.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.75 AU - 0.87 AU

Year: 478 Days

Day: 14.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,645,035 km

• M1: 169,195 km (0.103 R)
• M2: 599,738 km (0.097 R)
• M3: 1,071,420 km (0.043 R)
• M4: 1,822,850 km (0.059 R)
• M5: 2,260,573 km (0.117 R)
• M6: 3,477,103 km (0.053 R)
• M7: 4,847,121 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 11.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.85 AU - 1.21 AU

Year: 686 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,645,035 km

• M1: 144,362 km (0.09 R)
• M2: 598,541 km (0.112 R)
• M3: 1,268,440 km (0.068 R)
• M4: 1,629,570 km (0.079 R)
• M5: 2,023,311 km (0.044 R)
• M6: 2,438,894 km (0.055 R)
• M7: 2,971,612 km (0.058 R)
• M8: 4,609,410 km (0.113 R)
• M9: 5,246,397 km (0.079 R)
• M10: 5,980,474 km (0.096 R)
• M11: 6,569,740 km (0.119 R)
• M12: 7,064,311 km (0.072 R)
• M13: 8,274,857 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 14.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.86 AU - 2.32 AU

Year: 1982 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,645,035 km

• M1: 184,005 km (0.088 R)
• M2: 648,208 km (0.07 R)
• M3: 1,109,119 km (0.058 R)
• M4: 1,578,706 km (0.081 R)
• M5: 2,376,661 km (0.107 R)
• M6: 3,641,960 km (0.055 R)
• M7: 4,185,000 km (0.057 R)
• M8: 5,365,776 km (0.106 R)
• M9: 6,568,693 km (0.032 R)
• M10: 7,205,830 km (0.11 R)
• M11: 10,249,848 km (0.098 R)
• M12: 10,729,758 km (0.05 R)
• M13: 11,576,033 km (0.055 R)
• M14: 12,219,154 km (0.104 R)
• M15: 12,843,725 km (0.034 R)
• M16: 13,577,204 km (0.111 R)
• M17: 14,430,061 km (0.112 R)
• M18: 14,939,891 km (0.032 R)
• M19: 16,491,819 km (0.117 R)
• M20: 17,255,366 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 9.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.06 AU - 2.34 AU

Year: 2141 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,645,035 km

• M1: 114,592 km (0.074 R)
• M2: 520,002 km (0.094 R)
• M3: 1,338,303 km (0.09 R)
• M4: 1,791,584 km (0.107 R)
• M5: 2,213,899 km (0.104 R)
• M6: 2,518,929 km (0.047 R)
• M7: 3,321,372 km (0.101 R)
• M8: 4,032,560 km (0.074 R)
• M9: 8,434,926 km (0.074 R)
• M10: 9,031,971 km (0.11 R)
• M11: 9,753,033 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.4

Radius: 8.8

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.54 AU - 2.56 AU

Year: 2671 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,645,035 km

• M1: 109,506 km (0.078 R)
• M2: 449,392 km (0.08 R)
• M3: 1,082,789 km (0.09 R)
• M4: 1,430,006 km (0.081 R)
• M5: 2,078,962 km (0.093 R)
• M6: 2,368,284 km (0.081 R)
• M7: 2,845,501 km (0.1 R)
• M8: 3,257,793 km (0.069 R)
• M9: 3,554,445 km (0.07 R)
• M10: 4,465,347 km (0.078 R)
• M11: 4,808,973 km (0.107 R)
• M12: 5,294,867 km (0.065 R)
• M13: 5,680,381 km (0.081 R)
• M14: 6,002,166 km (0.106 R)
• M15: 6,307,944 km (0.117 R)
• M16: 6,741,628 km (0.087 R)
• M17: 7,256,993 km (0.071 R)
• M18: 7,798,387 km (0.112 R)
• M19: 8,538,747 km (0.058 R)
• M20: 9,811,975 km (0.069 R)
• M21: 10,276,476 km (0.11 R)
• M22: 14,936,450 km (0.116 R)
• M23: 15,707,627 km (0.119 R)
• M24: 19,359,012 km (0.071 R)
• M25: 20,902,413 km (0.097 R)
• M26: 21,736,571 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.9

Radius: 8.8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.24 AU - 3.42 AU

Year: 3986 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,645,035 km

• M1: 109,655 km (0.072 R)
• M2: 383,419 km (0.046 R)
• M3: 791,223 km (0.09 R)
• M4: 1,297,612 km (0.112 R)
• M5: 1,571,675 km (0.106 R)
• M6: 1,898,397 km (0.105 R)
• M7: 2,474,349 km (0.115 R)
• M8: 2,777,284 km (0.089 R)
• M9: 3,949,683 km (0.114 R)
• M10: 5,534,972 km (0.033 R)
• M11: 8,898,381 km (0.067 R)
• M12: 12,771,320 km (0.114 R)
• M13: 14,367,230 km (0.083 R)
• M14: 14,799,867 km (0.108 R)
• M15: 18,263,207 km (0.119 R)
• M16: 24,378,768 km (0.119 R)
• M17: 25,937,279 km (0.109 R)
• M18: 26,579,054 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 10.6

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.48 AU - 4.12 AU

Year: 4859 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,645,035 km

• M1: 132,095 km (0.079 R)
• M2: 487,539 km (0.06 R)
• M3: 890,107 km (0.055 R)
• M4: 1,906,625 km (0.117 R)
• M5: 2,538,676 km (0.051 R)
• M6: 2,904,443 km (0.095 R)
• M7: 3,325,411 km (0.041 R)
• M8: 3,897,623 km (0.058 R)
• M9: 5,103,681 km (0.073 R)
• M10: 5,719,875 km (0.046 R)
• M11: 6,834,379 km (0.119 R)
• M12: 12,077,186 km (0.108 R)
• M13: 13,481,311 km (0.112 R)
• M14: 14,008,195 km (0.119 R)
• M15: 14,935,403 km (0.087 R)
• M16: 15,272,147 km (0.088 R)
• M17: 16,372,589 km (0.071 R)
• M18: 20,058,681 km (0.106 R)
• M19: 26,245,600 km (0.106 R)
• M20: 29,284,980 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.6

Radius: 13.1

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.54 AU - 4.84 AU

Year: 6663 Days

Day: 10.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,645,035 km

• M1: 163,959 km (0.062 R)
• M2: 597,494 km (0.12 R)
• M3: 1,270,385 km (0.064 R)
• M4: 1,686,267 km (0.032 R)
• M5: 2,338,065 km (0.107 R)
• M6: 3,073,787 km (0.097 R)
• M7: 3,706,138 km (0.095 R)
• M8: 5,523,453 km (0.115 R)
• M9: 7,039,477 km (0.094 R)
• M10: 8,455,571 km (0.049 R)
• M11: 8,898,979 km (0.075 R)
• M12: 10,188,064 km (0.112 R)
• M13: 12,608,109 km (0.089 R)
• M14: 13,188,099 km (0.074 R)
• M15: 15,094,126 km (0.076 R)
• M16: 15,688,030 km (0.087 R)
• M17: 16,297,641 km (0.096 R)
• M18: 20,797,844 km (0.034 R)
• M19: 22,210,945 km (0.094 R)
• M20: 25,728,291 km (0.098 R)
• M21: 28,150,579 km (0.071 R)
• M22: 29,325,371 km (0.06 R)
• M23: 31,772,643 km (0.111 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 14,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit