🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.53 AU - 0.71 AU

Year: 206 Days

Day: 33.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 23.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,305,386 km

• M1: 56,548 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.62 AU - 0.68 AU

Year: 221 Days

Day: 13.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 80,305,386 km

• M1: 149,747 km (0.031 R)
• M2: 397,930 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.92 AU - 2.44 AU

Year: 1358 Days

Day: 35.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 12

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.76 AU - 3.62 AU

Year: 2403 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,305,386 km

• M1: 152,889 km (0.096 R)
• M2: 387,159 km (0.099 R)
• M3: 657,034 km (0.118 R)
• M4: 1,759,421 km (0.057 R)
• M5: 1,999,974 km (0.092 R)
• M6: 2,290,493 km (0.034 R)
• M7: 3,316,136 km (0.115 R)
• M8: 3,678,612 km (0.069 R)
• M9: 4,121,122 km (0.112 R)
• M10: 4,462,355 km (0.113 R)
• M11: 5,203,912 km (0.086 R)
• M12: 5,429,206 km (0.054 R)
• M13: 5,894,306 km (0.051 R)
• M14: 6,152,960 km (0.061 R)
• M15: 6,765,414 km (0.117 R)
• M16: 7,102,757 km (0.106 R)
• M17: 7,448,628 km (0.063 R)
• M18: 7,781,782 km (0.114 R)
• M19: 9,211,788 km (0.101 R)
• M20: 9,465,955 km (0.11 R)
• M21: 10,032,632 km (0.065 R)
• M22: 10,814,131 km (0.096 R)
• M23: 12,333,148 km (0.111 R)
• M24: 12,735,416 km (0.046 R)
• M25: 14,095,111 km (0.105 R)
• M26: 14,467,610 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 13.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.81 AU - 4.23 AU

Year: 2785 Days

Day: 12 Hours

Environment

Temp: -146 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,305,386 km

• M1: 169,644 km (0.118 R)
• M2: 1,058,405 km (0.052 R)
• M3: 1,409,362 km (0.115 R)
• M4: 2,032,586 km (0.099 R)
• M5: 2,597,019 km (0.082 R)
• M6: 3,004,673 km (0.035 R)
• M7: 3,476,505 km (0.03 R)
• M8: 4,234,218 km (0.111 R)
• M9: 5,189,999 km (0.086 R)
• M10: 6,605,943 km (0.097 R)
• M11: 8,636,135 km (0.118 R)
• M12: 9,032,570 km (0.044 R)
• M13: 9,965,013 km (0.077 R)
• M14: 10,797,077 km (0.12 R)
• M15: 11,181,094 km (0.1 R)
• M16: 11,938,808 km (0.106 R)
• M17: 13,138,732 km (0.092 R)
• M18: 14,498,726 km (0.046 R)
• M19: 15,221,583 km (0.069 R)
• M20: 16,141,161 km (0.077 R)
• M21: 20,051,949 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 12.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.52 AU - 5.1 AU

Year: 4449 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,305,386 km

• M1: 250,726 km (0.119 R)
• M2: 560,543 km (0.069 R)
• M3: 1,094,757 km (0.102 R)
• M4: 2,059,963 km (0.077 R)
• M5: 3,063,016 km (0.117 R)
• M6: 3,818,186 km (0.115 R)
• M7: 5,605,731 km (0.092 R)
• M8: 6,728,314 km (0.084 R)
• M9: 8,678,621 km (0.056 R)
• M10: 10,681,288 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.7

Radius: 11.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.77 AU - 4.93 AU

Year: 4505 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,305,386 km

• M1: 178,021 km (0.111 R)
• M2: 589,116 km (0.109 R)
• M3: 1,400,834 km (0.044 R)
• M4: 1,854,116 km (0.117 R)
• M5: 2,297,823 km (0.063 R)
• M6: 2,638,757 km (0.027 R)
• M7: 3,225,031 km (0.085 R)
• M8: 3,650,188 km (0.119 R)
• M9: 4,833,058 km (0.087 R)
• M10: 6,452,156 km (0.089 R)
• M11: 8,219,505 km (0.032 R)
• M12: 8,710,934 km (0.099 R)
• M13: 9,869,720 km (0.077 R)
• M14: 11,385,894 km (0.077 R)
• M15: 11,854,734 km (0.099 R)
• M16: 12,897,281 km (0.082 R)
• M17: 17,423,066 km (0.062 R)
• M18: 20,756,854 km (0.106 R)
• M19: 21,537,456 km (0.086 R)
• M20: 24,489,171 km (0.05 R)
• M21: 25,017,402 km (0.107 R)
• M22: 25,551,316 km (0.082 R)
• M23: 26,308,132 km (0.057 R)
• M24: 26,526,395 km (0.048 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 9.9

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.46 AU - 7.2 AU

Year: 5937 Days

Day: 12.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,305,386 km

• M1: 128,355 km (0.06 R)
• M2: 414,984 km (0.081 R)
• M3: 876,644 km (0.091 R)
• M4: 1,187,957 km (0.087 R)
• M5: 1,495,530 km (0.111 R)
• M6: 2,280,919 km (0.109 R)
• M7: 3,264,674 km (0.076 R)
• M8: 3,919,763 km (0.071 R)
• M9: 5,194,636 km (0.029 R)
• M10: 6,286,701 km (0.066 R)
• M11: 7,321,469 km (0.103 R)
• M12: 8,021,737 km (0.117 R)
• M13: 8,969,739 km (0.089 R)
• M14: 12,390,144 km (0.109 R)
• M15: 14,515,930 km (0.115 R)
• M16: 18,959,585 km (0.102 R)
• M17: 20,904,058 km (0.118 R)
• M18: 23,645,439 km (0.081 R)
• M19: 26,556,464 km (0.099 R)
• M20: 27,247,607 km (0.099 R)
• M21: 29,439,814 km (0.053 R)
• M22: 33,236,458 km (0.087 R)
• M23: 36,527,910 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.4

Radius: 3.7

Gravity: 70.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 9.46 AU - 15.24 AU

Year: 18305 Days

Day: 20.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,305,386 km

• M1: 47,273 km (0.075 R)
• M2: 201,359 km (0.089 R)
• M3: 344,673 km (0.079 R)
• M4: 2,231,103 km (0.039 R)
• M5: 4,109,154 km (0.109 R)
• M6: 6,115,561 km (0.104 R)
• M7: 7,561,125 km (0.053 R)
• M8: 7,959,205 km (0.114 R)
• M9: 9,990,445 km (0.108 R)
• M10: 10,856,018 km (0.119 R)
• M11: 12,004,332 km (0.102 R)
• M12: 12,823,380 km (0.114 R)
• M13: 13,669,505 km (0.052 R)
• M14: 24,590,000 km (0.112 R)
• M15: 31,799,870 km (0.11 R)
• M16: 33,332,500 km (0.117 R)
• M17: 40,277,132 km (0.113 R)
• M18: 41,883,963 km (0.107 R)
• M19: 46,525,835 km (0.081 R)
• M20: 46,770,577 km (0.113 R)
• M21: 51,155,441 km (0.108 R)
• M22: 54,276,052 km (0.118 R)
• M23: 57,082,209 km (0.116 R)
• M24: 68,125,374 km (0.112 R)
• M25: 69,611,779 km (0.064 R)
• M26: 73,397,951 km (0.074 R)
• M27: 73,551,439 km (0.066 R)
• M28: 78,232,206 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit