🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 12.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.63 AU - 0.93 AU

Year: 467 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,086,536 km

• M1: 154,086 km (0.094 R)
• M2: 618,886 km (0.114 R)
• M3: 1,081,293 km (0.113 R)
• M4: 1,874,162 km (0.098 R)
• M5: 2,547,652 km (0.108 R)
• M6: 2,987,320 km (0.089 R)
• M7: 3,549,060 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 14.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.74 AU - 1.12 AU

Year: 608 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,086,536 km

• M1: 181,013 km (0.078 R)
• M2: 645,964 km (0.081 R)
• M3: 1,575,415 km (0.047 R)
• M4: 2,063,104 km (0.095 R)
• M5: 2,708,619 km (0.097 R)
• M6: 3,577,334 km (0.085 R)

Asteroid Belt

Center: 1.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.4

Radius: 11.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.8 AU - 2.3 AU

Year: 1991 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,086,536 km

• M1: 139,276 km (0.109 R)
• M2: 513,869 km (0.042 R)
• M3: 1,410,259 km (0.042 R)
• M4: 2,461,184 km (0.098 R)
• M5: 3,274,249 km (0.073 R)
• M6: 3,914,827 km (0.096 R)
• M7: 4,588,765 km (0.105 R)
• M8: 5,178,629 km (0.039 R)
• M9: 6,010,842 km (0.099 R)
• M10: 6,655,160 km (0.12 R)
• M11: 7,776,845 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 11.8

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.9 AU - 2.68 AU

Year: 2350 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,086,536 km

• M1: 146,756 km (0.078 R)
• M2: 571,913 km (0.079 R)
• M3: 1,199,177 km (0.091 R)
• M4: 1,571,825 km (0.091 R)
• M5: 2,255,936 km (0.055 R)
• M6: 3,226,826 km (0.091 R)
• M7: 3,636,275 km (0.104 R)
• M8: 4,396,532 km (0.111 R)
• M9: 4,836,499 km (0.103 R)
• M10: 5,237,122 km (0.069 R)
• M11: 5,756,676 km (0.032 R)
• M12: 7,236,498 km (0.032 R)
• M13: 7,672,875 km (0.081 R)
• M14: 8,792,316 km (0.093 R)
• M15: 9,700,973 km (0.037 R)
• M16: 10,560,413 km (0.094 R)
• M17: 12,307,716 km (0.102 R)
• M18: 12,804,680 km (0.09 R)
• M19: 13,186,005 km (0.054 R)
• M20: 13,838,551 km (0.092 R)
• M21: 14,834,574 km (0.104 R)
• M22: 17,019,750 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 783.7

Radius: 6.7

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.07 AU - 6.31 AU

Year: 10445 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,086,536 km

• M1: 84,523 km (0.082 R)
• M2: 310,565 km (0.049 R)
• M3: 560,543 km (0.108 R)
• M4: 795,561 km (0.072 R)
• M5: 1,559,707 km (0.068 R)
• M6: 1,819,708 km (0.073 R)
• M7: 3,713,169 km (0.065 R)
• M8: 4,011,018 km (0.071 R)
• M9: 5,889,369 km (0.087 R)
• M10: 7,668,088 km (0.096 R)
• M11: 8,107,157 km (0.107 R)
• M12: 8,797,252 km (0.106 R)
• M13: 10,241,321 km (0.117 R)
• M14: 10,612,174 km (0.069 R)
• M15: 11,102,256 km (0.096 R)
• M16: 12,723,748 km (0.068 R)
• M17: 13,401,875 km (0.108 R)
• M18: 14,168,714 km (0.106 R)
• M19: 15,789,906 km (0.112 R)
• M20: 16,428,539 km (0.109 R)
• M21: 16,645,157 km (0.085 R)
• M22: 16,863,719 km (0.113 R)
• M23: 17,455,828 km (0.075 R)
• M24: 19,638,012 km (0.094 R)
• M25: 25,104,318 km (0.107 R)
• M26: 27,365,639 km (0.071 R)
• M27: 28,183,042 km (0.073 R)
• M28: 32,743,234 km (0.051 R)
• M29: 33,780,695 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.2

Radius: 5.6

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.44 AU - 8.22 AU

Year: 13460 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,086,536 km

• M1: 69,713 km (0.111 R)
• M2: 854,802 km (0.055 R)
• M3: 1,128,566 km (0.086 R)
• M4: 1,930,710 km (0.087 R)
• M5: 2,262,369 km (0.108 R)
• M6: 3,125,848 km (0.061 R)
• M7: 3,853,641 km (0.114 R)
• M8: 5,382,232 km (0.083 R)
• M9: 6,210,855 km (0.099 R)
• M10: 6,674,010 km (0.094 R)
• M11: 7,749,170 km (0.061 R)
• M12: 9,478,820 km (0.106 R)
• M13: 12,255,357 km (0.106 R)
• M14: 18,975,293 km (0.068 R)
• M15: 24,781,785 km (0.058 R)
• M16: 26,033,470 km (0.099 R)
• M17: 28,565,564 km (0.104 R)
• M18: 36,793,746 km (0.08 R)
• M19: 37,485,187 km (0.071 R)
• M20: 38,185,305 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 4.1

Gravity: 48.1 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.39 AU - 10.91 AU

Year: 18773 Days

Day: 17.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,086,536 km

• M1: 51,462 km (0.11 R)
• M2: 232,176 km (0.117 R)
• M3: 492,775 km (0.117 R)
• M4: 827,276 km (0.095 R)
• M5: 2,551,691 km (0.057 R)
• M6: 2,844,604 km (0.112 R)
• M7: 3,615,332 km (0.101 R)
• M8: 5,283,049 km (0.054 R)
• M9: 5,636,997 km (0.108 R)
• M10: 6,703,032 km (0.106 R)
• M11: 8,151,588 km (0.097 R)
• M12: 8,411,739 km (0.059 R)
• M13: 22,705,516 km (0.03 R)
• M14: 23,637,960 km (0.1 R)
• M15: 24,595,386 km (0.114 R)
• M16: 25,247,932 km (0.111 R)
• M17: 25,578,543 km (0.092 R)
• M18: 26,023,746 km (0.12 R)
• M19: 26,701,275 km (0.071 R)
• M20: 27,159,493 km (0.056 R)
• M21: 32,291,000 km (0.097 R)
• M22: 34,135,392 km (0.086 R)
• M23: 43,307,686 km (0.085 R)
• M24: 43,623,038 km (0.06 R)
• M25: 44,738,889 km (0.028 R)
• M26: 50,082,674 km (0.102 R)
• M27: 61,616,221 km (0.11 R)
• M28: 63,222,155 km (0.099 R)
• M29: 63,424,860 km (0.065 R)
• M30: 70,142,103 km (0.101 R)
• M31: 71,232,672 km (0.047 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 11,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit