🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 134 Days

Day: 12.5 Hours

Environment

Temp: 220 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.94 AU - 4.4 AU

Year: 2594 Days

Day: 38.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.3

Radius: 9.5

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.06 AU - 5.9 AU

Year: 4100 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 98,672,803 km

• M1: 118,182 km (0.102 R)
• M2: 483,949 km (0.093 R)
• M3: 847,472 km (0.077 R)
• M4: 1,626,129 km (0.115 R)
• M5: 2,049,790 km (0.049 R)
• M6: 2,950,968 km (0.084 R)
• M7: 3,714,366 km (0.07 R)
• M8: 4,189,788 km (0.083 R)
• M9: 4,553,759 km (0.065 R)
• M10: 5,018,560 km (0.047 R)
• M11: 5,345,730 km (0.028 R)
• M12: 6,319,912 km (0.092 R)
• M13: 6,965,426 km (0.099 R)
• M14: 7,477,949 km (0.117 R)
• M15: 7,869,596 km (0.063 R)
• M16: 8,200,207 km (0.059 R)
• M17: 8,578,391 km (0.05 R)
• M18: 10,382,840 km (0.092 R)
• M19: 12,575,646 km (0.114 R)
• M20: 13,754,028 km (0.111 R)
• M21: 14,397,299 km (0.108 R)
• M22: 18,171,953 km (0.072 R)
• M23: 19,011,945 km (0.115 R)
• M24: 19,408,379 km (0.084 R)
• M25: 20,423,401 km (0.109 R)
• M26: 21,473,428 km (0.108 R)
• M27: 23,378,258 km (0.077 R)
• M28: 25,873,999 km (0.115 R)
• M29: 28,284,469 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.3

Radius: 8.2

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.37 AU - 5.59 AU

Year: 4733 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 98,672,803 km

• M1: 102,026 km (0.07 R)
• M2: 711,487 km (0.109 R)
• M3: 1,198,129 km (0.051 R)
• M4: 2,145,682 km (0.06 R)
• M5: 2,421,541 km (0.111 R)
• M6: 3,269,910 km (0.108 R)
• M7: 4,700,066 km (0.107 R)
• M8: 7,209,720 km (0.034 R)
• M9: 9,011,776 km (0.107 R)
• M10: 11,095,375 km (0.097 R)
• M11: 17,257,162 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 8.3

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.43 AU - 6.69 AU

Year: 4837 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,672,803 km

• M1: 103,223 km (0.113 R)
• M2: 748,887 km (0.058 R)
• M3: 1,015,620 km (0.064 R)
• M4: 1,608,177 km (0.1 R)
• M5: 2,674,810 km (0.114 R)
• M6: 3,013,200 km (0.037 R)
• M7: 4,277,602 km (0.056 R)
• M8: 5,210,943 km (0.096 R)
• M9: 7,548,260 km (0.118 R)
• M10: 9,278,359 km (0.112 R)
• M11: 9,749,144 km (0.11 R)
• M12: 10,101,596 km (0.115 R)
• M13: 11,305,709 km (0.112 R)
• M14: 12,448,338 km (0.049 R)
• M15: 14,163,627 km (0.069 R)
• M16: 15,019,477 km (0.106 R)
• M17: 15,312,389 km (0.109 R)
• M18: 16,336,686 km (0.075 R)
• M19: 17,341,834 km (0.108 R)
• M20: 17,794,368 km (0.059 R)
• M21: 20,175,816 km (0.053 R)
• M22: 20,676,520 km (0.109 R)
• M23: 24,335,086 km (0.107 R)
• M24: 27,521,071 km (0.099 R)
• M25: 30,318,103 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.1

Radius: 13.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.37 AU - 11.13 AU

Year: 10380 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,672,803 km

• M1: 170,392 km (0.094 R)
• M2: 654,191 km (0.096 R)
• M3: 1,146,817 km (0.115 R)
• M4: 1,677,890 km (0.037 R)
• M5: 2,204,923 km (0.094 R)
• M6: 2,842,509 km (0.079 R)
• M7: 3,538,139 km (0.059 R)
• M8: 4,040,339 km (0.058 R)
• M9: 5,299,205 km (0.113 R)
• M10: 6,141,142 km (0.094 R)
• M11: 9,208,946 km (0.066 R)
• M12: 9,952,597 km (0.055 R)
• M13: 10,960,737 km (0.108 R)
• M14: 11,419,853 km (0.088 R)
• M15: 13,542,497 km (0.082 R)
• M16: 14,559,762 km (0.065 R)
• M17: 15,398,408 km (0.072 R)
• M18: 18,044,645 km (0.081 R)
• M19: 18,686,120 km (0.074 R)
• M20: 23,991,759 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801

Radius: 6.4

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 10.22 AU - 15.92 AU

Year: 17434 Days

Day: 17 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,672,803 km

• M1: 91,703 km (0.101 R)
• M2: 498,610 km (0.062 R)
• M3: 1,089,671 km (0.104 R)
• M4: 1,566,290 km (0.046 R)
• M5: 1,843,345 km (0.097 R)
• M6: 2,473,900 km (0.099 R)
• M7: 3,517,196 km (0.108 R)
• M8: 3,841,075 km (0.105 R)
• M9: 4,184,701 km (0.056 R)
• M10: 4,826,476 km (0.064 R)
• M11: 5,889,070 km (0.089 R)
• M12: 7,099,466 km (0.099 R)
• M13: 9,213,284 km (0.07 R)
• M14: 9,772,331 km (0.072 R)
• M15: 21,567,824 km (0.07 R)
• M16: 22,056,112 km (0.11 R)
• M17: 24,715,214 km (0.106 R)
• M18: 31,029,142 km (0.102 R)
• M19: 32,536,639 km (0.065 R)
• M20: 36,794,045 km (0.099 R)
• M21: 41,109,196 km (0.088 R)
• M22: 55,871,813 km (0.066 R)
• M23: 61,743,380 km (0.081 R)
• M24: 69,697,349 km (0.066 R)
• M25: 72,058,302 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.5

Radius: 5

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 17.15 AU - 22.45 AU

Year: 32507 Days

Day: 23.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 98,672,803 km

• M1: 62,532 km (0.061 R)
• M2: 473,776 km (0.103 R)
• M3: 793,318 km (0.105 R)
• M4: 949,498 km (0.053 R)
• M5: 1,126,622 km (0.109 R)
• M6: 1,640,191 km (0.112 R)
• M7: 2,068,490 km (0.058 R)
• M8: 2,492,151 km (0.105 R)
• M9: 3,028,459 km (0.076 R)
• M10: 4,290,168 km (0.085 R)
• M11: 9,289,878 km (0.116 R)
• M12: 9,786,244 km (0.115 R)
• M13: 10,105,486 km (0.078 R)
• M14: 10,365,786 km (0.117 R)
• M15: 10,630,425 km (0.084 R)
• M16: 11,592,788 km (0.082 R)
• M17: 14,169,013 km (0.049 R)
• M18: 17,659,580 km (0.102 R)
• M19: 19,202,981 km (0.102 R)
• M20: 19,703,087 km (0.088 R)
• M21: 21,468,790 km (0.035 R)
• M22: 21,899,034 km (0.091 R)
• M23: 22,555,170 km (0.026 R)
• M24: 30,254,973 km (0.081 R)
• M25: 32,175,809 km (0.039 R)
• M26: 32,881,014 km (0.105 R)
• M27: 40,346,396 km (0.091 R)
• M28: 43,864,489 km (0.099 R)
• M29: 44,209,911 km (0.08 R)
• M30: 55,232,431 km (0.101 R)
• M31: 59,348,018 km (0.1 R)
• M32: 67,952,140 km (0.059 R)
• M33: 76,598,897 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 16,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit