🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967

Radius: 9.5

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.68 AU - 0.7 AU

Year: 370 Days

Day: 5.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,766,243 km

• M1: 118,182 km (0.071 R)
• M2: 452,234 km (0.062 R)
• M3: 1,190,799 km (0.11 R)
• M4: 2,248,606 km (0.094 R)
• M5: 2,821,715 km (0.083 R)
• M6: 3,148,886 km (0.065 R)
• M7: 3,637,173 km (0.085 R)
• M8: 5,476,778 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 9.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.77 AU - 0.83 AU

Year: 462 Days

Day: 10.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,766,243 km

• M1: 115,639 km (0.113 R)
• M2: 479,012 km (0.098 R)
• M3: 928,554 km (0.066 R)
• M4: 1,589,328 km (0.099 R)
• M5: 1,985,014 km (0.09 R)
• M6: 3,080,220 km (0.104 R)
• M7: 3,430,279 km (0.119 R)
• M8: 3,860,971 km (0.089 R)
• M9: 4,401,319 km (0.086 R)
• M10: 4,926,856 km (0.114 R)
• M11: 5,545,743 km (0.115 R)
• M12: 6,066,194 km (0.089 R)
• M13: 6,405,482 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.7

Radius: 12.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 497 Days

Day: 8.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,766,243 km

• M1: 154,235 km (0.098 R)
• M2: 1,035,068 km (0.078 R)
• M3: 1,771,688 km (0.079 R)
• M4: 2,387,133 km (0.091 R)
• M5: 2,852,682 km (0.115 R)
• M6: 3,682,052 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 14.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.7 AU - 1.06 AU

Year: 533 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,766,243 km

• M1: 181,612 km (0.071 R)
• M2: 678,277 km (0.101 R)
• M3: 1,302,100 km (0.05 R)
• M4: 1,766,152 km (0.07 R)
• M5: 2,573,233 km (0.047 R)
• M6: 3,164,145 km (0.09 R)
• M7: 3,682,800 km (0.109 R)
• M8: 4,258,154 km (0.081 R)
• M9: 5,663,027 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 13.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.03 AU - 1.45 AU

Year: 892 Days

Day: 13.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,766,243 km

• M1: 178,470 km (0.098 R)
• M2: 1,295,069 km (0.051 R)
• M3: 2,124,290 km (0.087 R)
• M4: 2,696,352 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 13.3

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.19 AU - 1.31 AU

Year: 902 Days

Day: 10.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,766,243 km

• M1: 165,605 km (0.095 R)
• M2: 731,085 km (0.066 R)
• M3: 1,280,707 km (0.117 R)
• M4: 2,305,453 km (0.079 R)
• M5: 2,923,741 km (0.099 R)
• M6: 3,945,494 km (0.107 R)
• M7: 4,799,100 km (0.048 R)
• M8: 6,046,148 km (0.057 R)
• M9: 7,157,361 km (0.114 R)
• M10: 7,825,614 km (0.095 R)
• M11: 8,427,297 km (0.116 R)
• M12: 10,482,024 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310

Radius: 11.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.67 AU - 1.69 AU

Year: 1406 Days

Day: 7.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,766,243 km

• M1: 139,276 km (0.064 R)
• M2: 593,305 km (0.119 R)
• M3: 1,003,802 km (0.083 R)
• M4: 1,526,796 km (0.103 R)
• M5: 2,033,783 km (0.073 R)
• M6: 2,747,514 km (0.088 R)
• M7: 3,129,887 km (0.07 R)
• M8: 4,706,199 km (0.115 R)
• M9: 5,238,319 km (0.1 R)
• M10: 5,628,470 km (0.078 R)
• M11: 6,445,275 km (0.117 R)
• M12: 7,704,590 km (0.099 R)
• M13: 8,340,380 km (0.091 R)
• M14: 8,819,542 km (0.078 R)
• M15: 9,487,048 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.1

Radius: 5.3

Gravity: 19.41 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.67 AU - 7.11 AU

Year: 10430 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,766,243 km

• M1: 65,973 km (0.085 R)
• M2: 297,999 km (0.116 R)
• M3: 544,985 km (0.11 R)
• M4: 744,997 km (0.072 R)
• M5: 1,478,177 km (0.107 R)
• M6: 2,471,357 km (0.089 R)
• M7: 2,709,816 km (0.089 R)
• M8: 3,255,998 km (0.12 R)
• M9: 3,421,453 km (0.064 R)
• M10: 3,846,610 km (0.083 R)
• M11: 4,058,590 km (0.054 R)
• M12: 5,047,881 km (0.047 R)
• M13: 6,442,881 km (0.086 R)
• M14: 6,704,378 km (0.069 R)
• M15: 7,011,951 km (0.111 R)
• M16: 7,328,800 km (0.084 R)
• M17: 8,033,854 km (0.116 R)
• M18: 8,558,195 km (0.083 R)
• M19: 9,771,733 km (0.092 R)
• M20: 11,202,487 km (0.095 R)
• M21: 12,363,217 km (0.099 R)
• M22: 12,535,404 km (0.074 R)
• M23: 15,313,137 km (0.066 R)
• M24: 16,392,187 km (0.06 R)
• M25: 18,550,435 km (0.113 R)
• M26: 21,381,575 km (0.06 R)
• M27: 21,796,260 km (0.092 R)
• M28: 23,596,671 km (0.115 R)
• M29: 28,677,014 km (0.06 R)
• M30: 30,000,357 km (0.096 R)
• M31: 35,010,240 km (0.042 R)
• M32: 44,865,299 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 6.2

Gravity: 19.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.29 AU - 8.31 AU

Year: 11449 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,766,243 km

• M1: 77,342 km (0.112 R)
• M2: 277,055 km (0.074 R)
• M3: 641,027 km (0.103 R)
• M4: 2,168,720 km (0.099 R)
• M5: 2,687,825 km (0.101 R)
• M6: 3,140,957 km (0.119 R)
• M7: 4,111,847 km (0.108 R)
• M8: 5,134,498 km (0.098 R)
• M9: 6,014,732 km (0.077 R)
• M10: 8,115,535 km (0.037 R)
• M11: 9,505,748 km (0.087 R)
• M12: 10,337,213 km (0.041 R)
• M13: 13,889,115 km (0.096 R)
• M14: 16,152,680 km (0.091 R)
• M15: 17,561,593 km (0.101 R)
• M16: 22,098,897 km (0.052 R)
• M17: 24,019,434 km (0.087 R)
• M18: 27,876,366 km (0.053 R)
• M19: 32,470,517 km (0.104 R)
• M20: 34,107,417 km (0.086 R)
• M21: 36,540,178 km (0.083 R)
• M22: 42,294,460 km (0.102 R)
• M23: 42,845,728 km (0.098 R)
• M24: 44,103,547 km (0.034 R)
• M25: 44,955,656 km (0.033 R)
• M26: 47,133,951 km (0.09 R)
• M27: 49,229,368 km (0.11 R)
• M28: 52,171,659 km (0.032 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 14,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit