🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 13.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.51 AU - 0.65 AU

Year: 310 Days

Day: 12.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,833,273 km

• M1: 170,093 km (0.086 R)
• M2: 615,595 km (0.116 R)
• M3: 1,181,674 km (0.11 R)
• M4: 1,708,856 km (0.116 R)
• M5: 2,326,097 km (0.088 R)
• M6: 2,814,534 km (0.083 R)
• M7: 3,469,773 km (0.08 R)
• M8: 3,941,754 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.1

Radius: 9.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.43 AU - 1.49 AU

Year: 1240 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,833,273 km

• M1: 118,182 km (0.085 R)
• M2: 439,519 km (0.078 R)
• M3: 940,073 km (0.107 R)
• M4: 1,487,302 km (0.101 R)
• M5: 2,323,554 km (0.119 R)
• M6: 3,009,311 km (0.044 R)
• M7: 3,937,715 km (0.082 R)
• M8: 5,080,044 km (0.065 R)
• M9: 6,755,391 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580

Radius: 14.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.74 AU - 2.3 AU

Year: 2018 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,833,273 km

• M1: 184,903 km (0.094 R)
• M2: 661,372 km (0.117 R)
• M3: 1,141,432 km (0.045 R)
• M4: 1,684,771 km (0.115 R)
• M5: 4,206,692 km (0.11 R)
• M6: 6,872,227 km (0.05 R)
• M7: 9,618,993 km (0.054 R)
• M8: 10,093,518 km (0.081 R)
• M9: 11,725,780 km (0.099 R)
• M10: 13,570,322 km (0.061 R)
• M11: 14,518,025 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.3

Radius: 10.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.77 AU - 2.35 AU

Year: 2078 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,833,273 km

• M1: 128,205 km (0.057 R)
• M2: 879,785 km (0.115 R)
• M3: 1,479,822 km (0.066 R)
• M4: 2,046,200 km (0.057 R)
• M5: 2,906,387 km (0.06 R)
• M6: 3,375,377 km (0.108 R)
• M7: 4,921,471 km (0.059 R)
• M8: 7,603,910 km (0.117 R)
• M9: 10,090,676 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 9.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.87 AU - 4.13 AU

Year: 4603 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,833,273 km

• M1: 138,677 km (0.111 R)
• M2: 436,377 km (0.056 R)
• M3: 1,055,712 km (0.093 R)
• M4: 2,197,443 km (0.111 R)
• M5: 2,683,487 km (0.119 R)
• M6: 3,810,407 km (0.098 R)
• M7: 6,519,475 km (0.12 R)
• M8: 8,524,685 km (0.065 R)
• M9: 9,275,966 km (0.087 R)
• M10: 13,756,123 km (0.114 R)
• M11: 18,138,742 km (0.082 R)
• M12: 20,175,367 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.5

Radius: 6.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.52 AU - 5.82 AU

Year: 9490 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,833,273 km

• M1: 82,279 km (0.117 R)
• M2: 348,713 km (0.107 R)
• M3: 960,119 km (0.032 R)
• M4: 1,831,377 km (0.112 R)
• M5: 4,163,608 km (0.103 R)
• M6: 4,487,637 km (0.059 R)
• M7: 5,186,259 km (0.115 R)
• M8: 5,444,315 km (0.099 R)
• M9: 6,206,367 km (0.039 R)
• M10: 7,282,873 km (0.077 R)
• M11: 7,497,696 km (0.096 R)
• M12: 8,015,753 km (0.094 R)
• M13: 9,670,605 km (0.091 R)
• M14: 10,877,112 km (0.075 R)
• M15: 11,735,205 km (0.074 R)
• M16: 12,230,972 km (0.086 R)
• M17: 14,636,506 km (0.101 R)
• M18: 15,327,648 km (0.08 R)
• M19: 18,310,929 km (0.062 R)
• M20: 18,642,288 km (0.105 R)
• M21: 21,003,092 km (0.073 R)
• M22: 23,869,387 km (0.103 R)
• M23: 24,106,201 km (0.101 R)
• M24: 25,478,013 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.8

Radius: 5.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.94 AU - 9.54 AU

Year: 19743 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,833,273 km

• M1: 73,602 km (0.107 R)
• M2: 453,431 km (0.065 R)
• M3: 739,761 km (0.085 R)
• M4: 1,153,699 km (0.119 R)
• M5: 1,393,953 km (0.094 R)
• M6: 2,490,805 km (0.076 R)
• M7: 3,632,087 km (0.066 R)
• M8: 4,401,768 km (0.09 R)
• M9: 5,054,463 km (0.103 R)
• M10: 5,275,120 km (0.046 R)
• M11: 5,535,121 km (0.085 R)
• M12: 7,683,945 km (0.106 R)
• M13: 8,146,352 km (0.079 R)
• M14: 12,479,305 km (0.106 R)
• M15: 18,730,701 km (0.08 R)
• M16: 19,644,444 km (0.096 R)
• M17: 21,478,065 km (0.089 R)
• M18: 23,684,784 km (0.089 R)
• M19: 24,125,948 km (0.096 R)
• M20: 27,464,673 km (0.07 R)
• M21: 34,587,476 km (0.085 R)
• M22: 35,155,200 km (0.103 R)
• M23: 39,303,998 km (0.064 R)
• M24: 41,177,711 km (0.102 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: 161 - 18,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit