🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.4

Radius: 11.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.42 AU - 0.64 AU

Year: 257 Days

Day: 14.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 19,182,905 km

• M1: 147,952 km (0.105 R)
• M2: 572,810 km (0.08 R)
• M3: 1,449,155 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 10

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 8.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,182,905 km

• M1: 124,316 km (0.102 R)
• M2: 463,903 km (0.12 R)
• M3: 797,955 km (0.095 R)
• M4: 1,182,721 km (0.078 R)
• M5: 1,725,611 km (0.049 R)
• M6: 2,226,016 km (0.096 R)
• M7: 2,802,118 km (0.119 R)
• M8: 3,867,703 km (0.101 R)
• M9: 4,341,779 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 11.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.51 AU - 0.79 AU

Year: 349 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,182,905 km

• M1: 144,512 km (0.062 R)
• M2: 529,128 km (0.079 R)
• M3: 1,216,380 km (0.114 R)
• M4: 1,612,067 km (0.082 R)
• M5: 2,015,532 km (0.102 R)
• M6: 2,433,209 km (0.116 R)
• M7: 2,918,804 km (0.098 R)
• M8: 3,311,050 km (0.091 R)
• M9: 3,799,188 km (0.03 R)
• M10: 4,190,087 km (0.071 R)
• M11: 4,635,739 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 13.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,182,905 km

• M1: 164,558 km (0.117 R)
• M2: 620,532 km (0.116 R)
• M3: 1,169,706 km (0.104 R)
• M4: 1,754,035 km (0.099 R)
• M5: 2,171,114 km (0.067 R)
• M6: 2,639,505 km (0.083 R)
• M7: 3,050,301 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 10.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.08 AU - 1.72 AU

Year: 1105 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,182,905 km

• M1: 131,796 km (0.057 R)
• M2: 463,155 km (0.11 R)
• M3: 832,213 km (0.12 R)
• M4: 1,414,149 km (0.065 R)
• M5: 2,847,745 km (0.083 R)
• M6: 3,591,246 km (0.082 R)
• M7: 4,459,513 km (0.096 R)
• M8: 7,568,755 km (0.099 R)
• M9: 8,042,232 km (0.106 R)
• M10: 9,980,572 km (0.111 R)
• M11: 11,075,179 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 14

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.81 AU - 1.89 AU

Year: 1678 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,182,905 km

• M1: 174,132 km (0.094 R)
• M2: 642,523 km (0.106 R)
• M3: 1,116,000 km (0.104 R)
• M4: 1,843,195 km (0.068 R)
• M5: 2,406,581 km (0.119 R)
• M6: 3,572,696 km (0.09 R)
• M7: 4,687,948 km (0.115 R)
• M8: 5,380,287 km (0.03 R)
• M9: 5,909,265 km (0.048 R)
• M10: 6,743,274 km (0.096 R)
• M11: 7,412,574 km (0.117 R)
• M12: 9,753,931 km (0.066 R)
• M13: 10,816,225 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 9.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.7 AU - 4 AU

Year: 5038 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,182,905 km

• M1: 114,442 km (0.082 R)
• M2: 623,973 km (0.073 R)
• M3: 1,022,352 km (0.096 R)
• M4: 1,382,584 km (0.095 R)
• M5: 1,880,894 km (0.108 R)
• M6: 2,334,026 km (0.084 R)
• M7: 2,716,099 km (0.076 R)
• M8: 3,377,920 km (0.086 R)
• M9: 4,630,204 km (0.112 R)
• M10: 5,046,834 km (0.11 R)
• M11: 5,747,849 km (0.119 R)
• M12: 6,106,735 km (0.055 R)
• M13: 7,946,938 km (0.086 R)
• M14: 8,545,330 km (0.116 R)
• M15: 9,416,887 km (0.117 R)
• M16: 10,434,003 km (0.087 R)
• M17: 11,758,542 km (0.118 R)
• M18: 12,046,069 km (0.075 R)
• M19: 16,106,754 km (0.095 R)
• M20: 18,123,932 km (0.086 R)
• M21: 19,425,284 km (0.116 R)
• M22: 21,851,013 km (0.072 R)
• M23: 26,961,875 km (0.08 R)
• M24: 29,439,963 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 13.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.61 AU - 4.79 AU

Year: 6795 Days

Day: 6 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,182,905 km

• M1: 167,250 km (0.071 R)
• M2: 985,401 km (0.07 R)
• M3: 2,112,472 km (0.073 R)
• M4: 5,532,279 km (0.075 R)
• M5: 14,973,550 km (0.095 R)
• M6: 16,214,016 km (0.092 R)
• M7: 18,955,546 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit