🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.92 AU - 1.12 AU

Year: 382 Days

Day: 45.3 Hours

Environment

Temp: 24 °C

Axial Tilt: 47.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.32 AU - 2.2 AU

Year: 866 Days

Day: 37.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,756,231 km

• M1: 168,447 km (0.092 R)
• M2: 578,794 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.28 AU - 2.94 AU

Year: 1564 Days

Day: 21.1 Hours

Environment

Temp: -92 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.48 AU - 3.2 AU

Year: 1775 Days

Day: 26.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.79 AU - 3.05 AU

Year: 1850 Days

Day: 41.7 Hours

Environment

Temp: -103 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,756,231 km

• M1: 378,931 km (0.076 R)

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.1

Radius: 13.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.41 AU - 5.21 AU

Year: 3912 Days

Day: 10.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 22,756,231 km

• M1: 173,085 km (0.073 R)
• M2: 755,918 km (0.119 R)
• M3: 1,222,065 km (0.094 R)
• M4: 1,864,139 km (0.096 R)
• M5: 2,528,653 km (0.099 R)
• M6: 2,808,251 km (0.066 R)
• M7: 3,085,755 km (0.081 R)
• M8: 3,452,120 km (0.118 R)
• M9: 3,920,511 km (0.115 R)
• M10: 4,187,095 km (0.11 R)
• M11: 4,905,314 km (0.074 R)
• M12: 5,854,812 km (0.08 R)
• M13: 7,782,530 km (0.062 R)
• M14: 8,131,093 km (0.03 R)
• M15: 8,608,011 km (0.112 R)
• M16: 9,223,756 km (0.072 R)
• M17: 10,023,805 km (0.116 R)
• M18: 10,891,922 km (0.118 R)
• M19: 11,166,434 km (0.06 R)
• M20: 12,226,484 km (0.104 R)
• M21: 12,960,412 km (0.118 R)
• M22: 15,535,888 km (0.076 R)
• M23: 16,071,000 km (0.093 R)
• M24: 16,404,903 km (0.072 R)
• M25: 17,125,815 km (0.043 R)
• M26: 17,731,387 km (0.06 R)
• M27: 18,170,307 km (0.096 R)
• M28: 18,974,246 km (0.074 R)
• M29: 20,823,425 km (0.089 R)
• M30: 24,473,164 km (0.062 R)
• M31: 25,562,985 km (0.091 R)
• M32: 25,878,636 km (0.082 R)
• M33: 26,784,003 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 13.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.37 AU - 7.81 AU

Year: 6274 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,756,231 km

• M1: 197,320 km (0.111 R)
• M2: 606,021 km (0.112 R)
• M3: 1,117,496 km (0.111 R)
• M4: 1,467,406 km (0.09 R)
• M5: 2,052,782 km (0.064 R)
• M6: 3,070,945 km (0.116 R)
• M7: 3,662,305 km (0.05 R)
• M8: 4,982,207 km (0.115 R)
• M9: 5,366,225 km (0.096 R)
• M10: 5,881,440 km (0.042 R)
• M11: 6,329,336 km (0.045 R)
• M12: 7,639,963 km (0.115 R)
• M13: 9,558,855 km (0.118 R)
• M14: 11,202,936 km (0.029 R)
• M15: 11,990,120 km (0.088 R)
• M16: 14,654,159 km (0.082 R)
• M17: 14,982,526 km (0.079 R)
• M18: 18,155,946 km (0.083 R)
• M19: 18,679,688 km (0.066 R)
• M20: 19,371,578 km (0.095 R)
• M21: 20,961,055 km (0.068 R)
• M22: 22,151,406 km (0.107 R)
• M23: 22,963,423 km (0.101 R)
• M24: 24,752,912 km (0.037 R)
• M25: 25,241,499 km (0.098 R)
• M26: 30,730,245 km (0.081 R)
• M27: 31,686,325 km (0.085 R)
• M28: 33,784,734 km (0.084 R)
• M29: 34,283,942 km (0.032 R)
• M30: 36,391,926 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 9.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.66 AU - 10.04 AU

Year: 10603 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,756,231 km

• M1: 132,245 km (0.117 R)
• M2: 592,408 km (0.05 R)
• M3: 1,010,384 km (0.092 R)
• M4: 1,289,384 km (0.098 R)
• M5: 1,809,985 km (0.107 R)
• M6: 2,066,096 km (0.098 R)
• M7: 2,354,670 km (0.072 R)
• M8: 2,663,141 km (0.099 R)
• M9: 3,460,498 km (0.086 R)
• M10: 3,708,232 km (0.102 R)
• M11: 3,927,692 km (0.105 R)
• M12: 4,288,522 km (0.094 R)
• M13: 4,933,139 km (0.116 R)
• M14: 8,243,890 km (0.063 R)
• M15: 8,935,930 km (0.061 R)
• M16: 9,306,932 km (0.109 R)
• M17: 11,213,408 km (0.083 R)
• M18: 12,990,331 km (0.107 R)
• M19: 15,602,609 km (0.102 R)
• M20: 17,214,825 km (0.102 R)
• M21: 19,614,375 km (0.1 R)
• M22: 20,206,932 km (0.104 R)
• M23: 22,530,487 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit