🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.12 AU - 1.66 AU

Year: 571 Days

Day: 13.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 73,738,890 km

• M1: 241,301 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.53 AU - 1.81 AU

Year: 752 Days

Day: 18.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,738,890 km

• M1: 185,950 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.89 AU - 3.87 AU

Year: 2164 Days

Day: 31.3 Hours

Environment

Temp: -94 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.69 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 13

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.97 AU - 7.03 AU

Year: 5118 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,738,890 km

• M1: 162,613 km (0.098 R)
• M2: 768,783 km (0.112 R)
• M3: 1,216,380 km (0.099 R)
• M4: 1,677,291 km (0.085 R)
• M5: 2,286,753 km (0.106 R)
• M6: 4,354,495 km (0.093 R)
• M7: 5,689,506 km (0.114 R)
• M8: 6,170,015 km (0.085 R)
• M9: 6,742,825 km (0.073 R)
• M10: 7,958,756 km (0.059 R)
• M11: 9,730,743 km (0.06 R)
• M12: 12,938,869 km (0.091 R)
• M13: 14,753,940 km (0.113 R)
• M14: 15,375,968 km (0.068 R)
• M15: 16,672,683 km (0.096 R)
• M16: 21,142,069 km (0.054 R)
• M17: 24,977,758 km (0.1 R)
• M18: 25,618,785 km (0.097 R)
• M19: 27,693,109 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.8

Radius: 13.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.83 AU - 7.91 AU

Year: 5599 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,738,890 km

• M1: 169,195 km (0.091 R)
• M2: 603,777 km (0.06 R)
• M3: 1,127,669 km (0.071 R)
• M4: 2,002,367 km (0.041 R)
• M5: 3,154,122 km (0.104 R)
• M6: 3,733,065 km (0.113 R)
• M7: 4,838,893 km (0.039 R)
• M8: 5,271,380 km (0.083 R)
• M9: 5,938,587 km (0.118 R)
• M10: 7,267,913 km (0.079 R)
• M11: 7,728,376 km (0.103 R)
• M12: 8,246,134 km (0.111 R)
• M13: 9,475,529 km (0.107 R)
• M14: 10,331,379 km (0.091 R)
• M15: 11,238,241 km (0.066 R)
• M16: 11,952,720 km (0.111 R)
• M17: 13,525,293 km (0.088 R)
• M18: 14,006,699 km (0.071 R)
• M19: 15,578,225 km (0.031 R)
• M20: 17,016,309 km (0.108 R)
• M21: 19,269,851 km (0.116 R)
• M22: 20,433,274 km (0.094 R)
• M23: 21,498,411 km (0.112 R)
• M24: 22,975,690 km (0.057 R)
• M25: 29,566,224 km (0.064 R)
• M26: 30,469,795 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 15

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.41 AU - 11.97 AU

Year: 10505 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,738,890 km

• M1: 186,549 km (0.074 R)
• M2: 971,489 km (0.1 R)
• M3: 1,672,205 km (0.097 R)
• M4: 2,519,527 km (0.055 R)
• M5: 3,873,538 km (0.102 R)
• M6: 5,039,653 km (0.101 R)
• M7: 5,567,434 km (0.074 R)
• M8: 6,657,554 km (0.097 R)
• M9: 7,131,779 km (0.103 R)
• M10: 8,646,159 km (0.117 R)
• M11: 9,852,965 km (0.054 R)
• M12: 13,391,253 km (0.057 R)
• M13: 14,344,641 km (0.103 R)
• M14: 18,308,386 km (0.045 R)
• M15: 21,551,967 km (0.093 R)
• M16: 31,302,906 km (0.117 R)
• M17: 40,691,219 km (0.098 R)
• M18: 46,021,541 km (0.031 R)
• M19: 48,189,962 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.6

Radius: 7

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 15 AU - 19.72 AU

Year: 25189 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,738,890 km

• M1: 87,066 km (0.113 R)
• M2: 319,840 km (0.046 R)
• M3: 758,461 km (0.102 R)
• M4: 2,149,572 km (0.116 R)
• M5: 2,569,643 km (0.11 R)
• M6: 3,150,232 km (0.041 R)
• M7: 5,577,158 km (0.079 R)
• M8: 6,725,920 km (0.043 R)
• M9: 7,284,070 km (0.086 R)
• M10: 14,903,389 km (0.117 R)
• M11: 15,850,493 km (0.109 R)
• M12: 16,921,165 km (0.081 R)
• M13: 19,667,482 km (0.111 R)
• M14: 30,280,853 km (0.087 R)
• M15: 38,804,790 km (0.053 R)
• M16: 45,950,482 km (0.046 R)
• M17: 47,109,566 km (0.102 R)
• M18: 47,612,066 km (0.107 R)
• M19: 55,214,480 km (0.117 R)
• M20: 62,170,332 km (0.082 R)
• M21: 63,996,174 km (0.092 R)
• M22: 66,696,116 km (0.116 R)
• M23: 67,541,943 km (0.085 R)
• M24: 78,022,470 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.5

Radius: 7.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 20.69 AU - 20.85 AU

Year: 32965 Days

Day: 16.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,738,890 km

• M1: 94,995 km (0.109 R)
• M2: 544,536 km (0.044 R)
• M3: 1,163,123 km (0.09 R)
• M4: 1,402,630 km (0.107 R)
• M5: 2,287,202 km (0.077 R)
• M6: 3,586,908 km (0.1 R)
• M7: 5,318,952 km (0.074 R)
• M8: 6,759,580 km (0.099 R)
• M9: 10,508,353 km (0.084 R)
• M10: 10,749,953 km (0.103 R)
• M11: 12,080,626 km (0.11 R)
• M12: 16,564,075 km (0.093 R)
• M13: 20,883,414 km (0.098 R)
• M14: 21,266,085 km (0.12 R)
• M15: 21,653,394 km (0.087 R)
• M16: 24,497,549 km (0.105 R)
• M17: 29,574,751 km (0.07 R)
• M18: 31,536,877 km (0.109 R)
• M19: 32,549,654 km (0.086 R)
• M20: 32,806,215 km (0.094 R)
• M21: 33,846,069 km (0.084 R)
• M22: 34,241,606 km (0.092 R)
• M23: 39,668,119 km (0.107 R)
• M24: 40,550,747 km (0.105 R)
• M25: 49,092,486 km (0.091 R)
• M26: 49,430,128 km (0.057 R)
• M27: 55,407,760 km (0.119 R)
• M28: 61,653,471 km (0.097 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 15,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit