🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 12.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.81 AU - 0.83 AU

Year: 513 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,587,316 km

• M1: 160,519 km (0.083 R)
• M2: 607,218 km (0.077 R)
• M3: 1,047,035 km (0.074 R)
• M4: 1,948,063 km (0.1 R)
• M5: 2,929,874 km (0.074 R)
• M6: 3,658,266 km (0.055 R)
• M7: 4,652,344 km (0.078 R)
• M8: 5,311,024 km (0.062 R)
• M9: 5,853,914 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.4

Radius: 15

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.81 AU - 0.87 AU

Year: 531 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,587,316 km

• M1: 186,549 km (0.092 R)
• M2: 980,614 km (0.115 R)
• M3: 1,451,997 km (0.103 R)
• M4: 2,053,829 km (0.037 R)
• M5: 2,679,447 km (0.079 R)
• M6: 3,218,449 km (0.078 R)
• M7: 4,612,701 km (0.118 R)
• M8: 5,752,637 km (0.106 R)
• M9: 6,843,504 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.1

Radius: 8.5

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.33 AU - 1.91 AU

Year: 1423 Days

Day: 12.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,587,316 km

• M1: 106,364 km (0.112 R)
• M2: 455,526 km (0.032 R)
• M3: 910,153 km (0.097 R)
• M4: 3,257,344 km (0.12 R)
• M5: 3,669,187 km (0.113 R)
• M6: 4,266,382 km (0.114 R)
• M7: 5,989,600 km (0.098 R)
• M8: 6,540,868 km (0.079 R)
• M9: 7,693,818 km (0.095 R)
• M10: 8,399,023 km (0.063 R)
• M11: 9,289,878 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.61 AU - 2.01 AU

Year: 1681 Days

Day: 11.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,587,316 km

• M1: 140,472 km (0.059 R)
• M2: 492,925 km (0.073 R)
• M3: 909,106 km (0.032 R)
• M4: 1,647,073 km (0.076 R)
• M5: 2,441,288 km (0.05 R)
• M6: 3,707,334 km (0.107 R)
• M7: 4,591,757 km (0.113 R)
• M8: 5,386,122 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.7

Radius: 10.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.63 AU - 4.33 AU

Year: 4481 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,587,316 km

• M1: 133,441 km (0.1 R)
• M2: 558,000 km (0.12 R)
• M3: 892,950 km (0.119 R)
• M4: 1,301,202 km (0.091 R)
• M5: 1,909,018 km (0.106 R)
• M6: 2,344,348 km (0.059 R)
• M7: 2,879,310 km (0.063 R)
• M8: 3,417,563 km (0.113 R)
• M9: 3,854,090 km (0.094 R)
• M10: 4,555,554 km (0.105 R)
• M11: 5,186,409 km (0.115 R)
• M12: 7,113,828 km (0.081 R)
• M13: 7,465,383 km (0.055 R)
• M14: 8,413,384 km (0.115 R)
• M15: 9,026,885 km (0.09 R)
• M16: 9,864,932 km (0.09 R)
• M17: 10,588,537 km (0.107 R)
• M18: 11,261,129 km (0.099 R)
• M19: 13,114,647 km (0.045 R)
• M20: 14,239,473 km (0.096 R)
• M21: 16,568,413 km (0.071 R)
• M22: 23,201,283 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485

Radius: 5.6

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.35 AU - 8.69 AU

Year: 12839 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 176.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,587,316 km

• M1: 115,639 km (0.07 R)
• M2: 291,865 km (0.083 R)
• M3: 643,720 km (0.075 R)
• M4: 1,720,974 km (0.094 R)
• M5: 1,897,200 km (0.105 R)
• M6: 3,222,937 km (0.105 R)
• M7: 3,467,230 km (0.076 R)
• M8: 4,217,912 km (0.087 R)
• M9: 4,510,525 km (0.097 R)
• M10: 5,301,898 km (0.03 R)
• M11: 5,573,717 km (0.096 R)
• M12: 5,962,373 km (0.064 R)
• M13: 7,114,875 km (0.117 R)
• M14: 10,004,507 km (0.103 R)
• M15: 12,373,389 km (0.079 R)
• M16: 13,782,302 km (0.083 R)
• M17: 14,231,395 km (0.057 R)
• M18: 15,091,583 km (0.115 R)
• M19: 15,637,765 km (0.083 R)
• M20: 19,195,052 km (0.097 R)
• M21: 20,326,162 km (0.109 R)
• M22: 23,801,620 km (0.054 R)
• M23: 26,852,070 km (0.039 R)
• M24: 27,451,658 km (0.036 R)
• M25: 32,799,932 km (0.093 R)
• M26: 37,424,002 km (0.048 R)
• M27: 38,171,841 km (0.083 R)
• M28: 42,195,426 km (0.077 R)
• M29: 43,414,499 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.9

Radius: 3.4

Gravity: 69.54 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.35 AU - 10.77 AU

Year: 22025 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,587,316 km

• M1: 44,131 km (0.09 R)
• M2: 182,809 km (0.097 R)
• M3: 426,504 km (0.079 R)
• M4: 768,484 km (0.099 R)
• M5: 892,501 km (0.086 R)
• M6: 1,069,625 km (0.105 R)
• M7: 2,375,165 km (0.051 R)
• M8: 3,555,044 km (0.094 R)
• M9: 5,476,180 km (0.112 R)
• M10: 6,655,609 km (0.104 R)
• M11: 11,863,560 km (0.089 R)
• M12: 12,705,946 km (0.101 R)
• M13: 12,850,158 km (0.044 R)
• M14: 13,141,874 km (0.108 R)
• M15: 19,459,392 km (0.08 R)
• M16: 21,842,636 km (0.107 R)
• M17: 22,257,770 km (0.119 R)
• M18: 32,506,869 km (0.08 R)
• M19: 32,776,744 km (0.075 R)
• M20: 39,708,212 km (0.088 R)
• M21: 64,932,507 km (0.117 R)
• M22: 71,549,071 km (0.113 R)
• M23: 79,574,698 km (0.076 R)
• M24: 84,056,800 km (0.072 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: 495 - 10,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit