🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 10.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.99 AU - 1.21 AU

Year: 796 Days

Day: 6.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 164 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,390,021 km

• M1: 125,662 km (0.077 R)
• M2: 546,331 km (0.115 R)
• M3: 1,639,144 km (0.071 R)
• M4: 2,004,611 km (0.118 R)
• M5: 2,706,525 km (0.044 R)
• M6: 3,256,297 km (0.12 R)
• M7: 3,944,297 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.7

Radius: 12.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.32 AU - 1.64 AU

Year: 1243 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,390,021 km

• M1: 160,369 km (0.06 R)
• M2: 562,787 km (0.032 R)
• M3: 1,079,498 km (0.114 R)
• M4: 1,506,002 km (0.12 R)
• M5: 1,996,084 km (0.075 R)
• M6: 3,022,326 km (0.061 R)
• M7: 3,561,327 km (0.066 R)
• M8: 4,814,957 km (0.047 R)
• M9: 5,787,792 km (0.089 R)
• M10: 6,576,622 km (0.092 R)
• M11: 6,985,024 km (0.102 R)
• M12: 7,410,480 km (0.087 R)
• M13: 8,013,659 km (0.081 R)
• M14: 8,536,354 km (0.097 R)
• M15: 9,681,077 km (0.101 R)
• M16: 11,397,413 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 9.1

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.5 AU - 1.76 AU

Year: 1436 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,390,021 km

• M1: 114,143 km (0.057 R)
• M2: 491,728 km (0.116 R)
• M3: 938,577 km (0.119 R)
• M4: 1,228,049 km (0.109 R)
• M5: 1,887,028 km (0.116 R)
• M6: 2,536,282 km (0.104 R)
• M7: 3,202,890 km (0.109 R)
• M8: 4,162,710 km (0.027 R)
• M9: 4,620,031 km (0.031 R)
• M10: 5,047,283 km (0.12 R)
• M11: 5,545,443 km (0.116 R)
• M12: 5,957,885 km (0.108 R)
• M13: 6,716,196 km (0.114 R)
• M14: 7,185,186 km (0.043 R)
• M15: 10,199,284 km (0.113 R)
• M16: 11,759,440 km (0.093 R)
• M17: 12,249,223 km (0.109 R)
• M18: 13,229,688 km (0.112 R)
• M19: 13,554,165 km (0.111 R)
• M20: 14,092,867 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 12.2

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.66 AU - 3.12 AU

Year: 3391 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,390,021 km

• M1: 151,842 km (0.113 R)
• M2: 770,878 km (0.098 R)
• M3: 1,180,776 km (0.104 R)
• M4: 1,615,657 km (0.118 R)
• M5: 1,998,927 km (0.095 R)
• M6: 4,129,799 km (0.061 R)
• M7: 4,576,348 km (0.094 R)
• M8: 5,230,540 km (0.087 R)
• M9: 6,227,610 km (0.067 R)
• M10: 7,094,380 km (0.099 R)
• M11: 11,042,268 km (0.055 R)
• M12: 11,951,823 km (0.109 R)
• M13: 12,863,771 km (0.116 R)
• M14: 16,259,194 km (0.094 R)
• M15: 16,868,656 km (0.091 R)
• M16: 18,192,298 km (0.06 R)
• M17: 21,570,816 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 10.6

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.1 AU - 3.12 AU

Year: 3786 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,390,021 km

• M1: 131,796 km (0.105 R)
• M2: 753,524 km (0.081 R)
• M3: 1,127,519 km (0.045 R)
• M4: 1,550,881 km (0.094 R)
• M5: 2,027,201 km (0.094 R)
• M6: 2,492,151 km (0.109 R)
• M7: 3,027,412 km (0.118 R)
• M8: 3,406,942 km (0.094 R)
• M9: 3,737,553 km (0.102 R)
• M10: 4,262,791 km (0.066 R)
• M11: 4,884,969 km (0.116 R)
• M12: 5,999,772 km (0.047 R)
• M13: 6,812,089 km (0.102 R)
• M14: 7,340,020 km (0.09 R)
• M15: 9,614,655 km (0.093 R)
• M16: 10,080,952 km (0.108 R)
• M17: 11,441,544 km (0.118 R)
• M18: 11,833,042 km (0.113 R)
• M19: 13,633,752 km (0.041 R)
• M20: 15,086,496 km (0.113 R)
• M21: 16,973,973 km (0.073 R)
• M22: 21,408,203 km (0.096 R)
• M23: 22,541,856 km (0.11 R)
• M24: 22,882,789 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88

Radius: 10.9

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.78 AU - 5.42 AU

Year: 6810 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,390,021 km

• M1: 135,536 km (0.074 R)
• M2: 627,413 km (0.07 R)
• M3: 1,179,729 km (0.104 R)
• M4: 1,613,263 km (0.058 R)
• M5: 2,362,450 km (0.083 R)
• M6: 3,541,281 km (0.081 R)
• M7: 3,933,227 km (0.118 R)
• M8: 5,503,107 km (0.112 R)
• M9: 5,927,965 km (0.104 R)
• M10: 6,510,350 km (0.043 R)
• M11: 7,335,980 km (0.109 R)
• M12: 8,358,781 km (0.115 R)
• M13: 12,331,951 km (0.034 R)
• M14: 13,639,287 km (0.069 R)
• M15: 14,002,959 km (0.103 R)
• M16: 16,070,252 km (0.082 R)
• M17: 17,414,688 km (0.106 R)
• M18: 18,388,421 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.1

Radius: 6

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.54 AU - 8.72 AU

Year: 13142 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,390,021 km

• M1: 74,799 km (0.06 R)
• M2: 365,916 km (0.089 R)
• M3: 589,116 km (0.117 R)
• M4: 857,046 km (0.051 R)
• M5: 1,112,709 km (0.119 R)
• M6: 1,570,478 km (0.098 R)
• M7: 3,120,612 km (0.075 R)
• M8: 3,757,450 km (0.12 R)
• M9: 4,106,761 km (0.109 R)
• M10: 4,870,009 km (0.056 R)
• M11: 5,417,986 km (0.089 R)
• M12: 6,790,098 km (0.099 R)
• M13: 7,267,614 km (0.076 R)
• M14: 8,835,250 km (0.062 R)
• M15: 10,668,123 km (0.025 R)
• M16: 11,478,495 km (0.055 R)
• M17: 16,154,625 km (0.116 R)
• M18: 16,860,727 km (0.074 R)
• M19: 18,562,852 km (0.077 R)
• M20: 20,295,046 km (0.119 R)
• M21: 23,805,659 km (0.105 R)
• M22: 24,168,434 km (0.081 R)
• M23: 27,800,670 km (0.068 R)
• M24: 28,304,216 km (0.097 R)
• M25: 29,537,352 km (0.114 R)
• M26: 32,664,545 km (0.119 R)
• M27: 33,678,221 km (0.078 R)
• M28: 34,135,541 km (0.11 R)
• M29: 35,414,154 km (0.077 R)
• M30: 39,188,658 km (0.1 R)
• M31: 40,977,998 km (0.094 R)
• M32: 42,421,468 km (0.107 R)
• M33: 44,170,716 km (0.096 R)
• M34: 45,270,859 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 14,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit