🌌 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: 801.7

Radius: 13

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 476 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,587,945 km

• M1: 161,715 km (0.113 R)
• M2: 604,226 km (0.064 R)
• M3: 1,029,832 km (0.096 R)
• M4: 1,463,217 km (0.077 R)
• M5: 1,970,952 km (0.049 R)
• M6: 2,399,400 km (0.107 R)
• M7: 3,080,220 km (0.101 R)
• M8: 3,663,203 km (0.057 R)
• M9: 4,204,448 km (0.09 R)
• M10: 4,752,425 km (0.1 R)
• M11: 5,689,955 km (0.08 R)
• M12: 6,533,388 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.2

Radius: 11

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.3 AU - 1.64 AU

Year: 1230 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,587,945 km

• M1: 136,882 km (0.108 R)
• M2: 514,766 km (0.035 R)
• M3: 1,145,770 km (0.106 R)
• M4: 1,514,080 km (0.086 R)
• M5: 1,952,103 km (0.095 R)
• M6: 2,365,292 km (0.107 R)
• M7: 3,117,320 km (0.074 R)
• M8: 3,526,022 km (0.092 R)
• M9: 3,987,681 km (0.087 R)
• M10: 4,452,033 km (0.112 R)
• M11: 5,490,242 km (0.075 R)
• M12: 8,725,445 km (0.083 R)
• M13: 9,636,347 km (0.101 R)
• M14: 10,050,284 km (0.03 R)
• M15: 11,016,387 km (0.038 R)
• M16: 11,646,643 km (0.104 R)
• M17: 12,300,835 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540

Radius: 8.4

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.33 AU - 2.15 AU

Year: 1584 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,587,945 km

• M1: 104,419 km (0.115 R)
• M2: 369,058 km (0.086 R)
• M3: 729,888 km (0.081 R)
• M4: 1,230,143 km (0.093 R)
• M5: 1,871,320 km (0.034 R)
• M6: 2,163,335 km (0.073 R)
• M7: 2,448,618 km (0.104 R)
• M8: 2,854,627 km (0.092 R)
• M9: 3,125,100 km (0.089 R)
• M10: 3,539,336 km (0.087 R)
• M11: 4,006,979 km (0.057 R)
• M12: 4,329,063 km (0.091 R)
• M13: 5,400,633 km (0.036 R)
• M14: 7,247,119 km (0.119 R)
• M15: 7,974,314 km (0.09 R)
• M16: 9,079,095 km (0.07 R)
• M17: 9,448,302 km (0.056 R)
• M18: 9,827,383 km (0.097 R)
• M19: 11,235,249 km (0.084 R)
• M20: 12,023,929 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 11.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.56 AU - 3.42 AU

Year: 3569 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,587,945 km

• M1: 144,212 km (0.072 R)
• M2: 527,781 km (0.115 R)
• M3: 1,112,410 km (0.054 R)
• M4: 1,600,847 km (0.12 R)
• M5: 2,143,737 km (0.088 R)
• M6: 2,534,786 km (0.104 R)
• M7: 2,942,889 km (0.094 R)
• M8: 3,394,974 km (0.053 R)
• M9: 3,930,834 km (0.11 R)
• M10: 4,440,214 km (0.093 R)
• M11: 4,840,090 km (0.077 R)
• M12: 5,218,273 km (0.058 R)
• M13: 6,878,510 km (0.089 R)
• M14: 7,300,526 km (0.114 R)
• M15: 8,606,964 km (0.047 R)
• M16: 9,130,856 km (0.117 R)
• M17: 11,836,782 km (0.101 R)
• M18: 12,818,593 km (0.098 R)
• M19: 14,804,804 km (0.06 R)
• M20: 15,605,900 km (0.038 R)
• M21: 16,685,399 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 10.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.59 AU - 5.45 AU

Year: 6633 Days

Day: 14.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,587,945 km

• M1: 131,945 km (0.085 R)
• M2: 592,707 km (0.103 R)
• M3: 2,315,326 km (0.104 R)
• M4: 3,043,120 km (0.093 R)
• M5: 5,331,967 km (0.119 R)
• M6: 10,744,717 km (0.029 R)
• M7: 13,152,944 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.8

Radius: 7.6

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.18 AU - 8.42 AU

Year: 13614 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,587,945 km

• M1: 95,144 km (0.117 R)
• M2: 463,305 km (0.086 R)
• M3: 990,936 km (0.096 R)
• M4: 1,374,505 km (0.109 R)
• M5: 1,633,758 km (0.086 R)
• M6: 2,075,371 km (0.079 R)
• M7: 2,314,429 km (0.059 R)
• M8: 2,684,983 km (0.04 R)
• M9: 2,994,501 km (0.036 R)
• M10: 3,354,583 km (0.106 R)
• M11: 3,771,961 km (0.101 R)
• M12: 4,038,843 km (0.105 R)
• M13: 6,954,057 km (0.11 R)
• M14: 7,680,355 km (0.076 R)
• M15: 9,771,434 km (0.111 R)
• M16: 11,585,158 km (0.057 R)
• M17: 12,408,695 km (0.07 R)
• M18: 13,750,887 km (0.103 R)
• M19: 15,788,858 km (0.081 R)
• M20: 18,187,212 km (0.025 R)
• M21: 19,385,490 km (0.119 R)
• M22: 20,453,619 km (0.118 R)
• M23: 20,818,189 km (0.088 R)
• M24: 21,748,838 km (0.08 R)
• M25: 23,893,174 km (0.08 R)
• M26: 24,501,738 km (0.096 R)
• M27: 24,809,760 km (0.057 R)
• M28: 29,630,551 km (0.1 R)
• M29: 37,977,364 km (0.057 R)
• M30: 39,364,885 km (0.115 R)
• M31: 39,646,428 km (0.077 R)
• M32: 42,683,863 km (0.111 R)
• M33: 46,970,291 km (0.034 R)
• M34: 50,367,359 km (0.065 R)
• M35: 55,146,861 km (0.059 R)
• M36: 55,676,139 km (0.031 R)
• M37: 66,388,693 km (0.106 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: 431 - 18,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit