🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.91 AU - 1.21 AU

Year: 382 Days

Day: 29.8 Hours

Environment

Temp: 86 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,202,965 km

• M1: 50,115 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.04 AU - 1.26 AU

Year: 431 Days

Day: 37.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 41.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,202,965 km

• M1: 35,903 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.23 AU - 1.39 AU

Year: 525 Days

Day: 29.8 Hours

Environment

Temp: 2 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 46,202,965 km

• M1: 28,573 km (0.1 R)
• M2: 45,179 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.1

Radius: 11.4

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.71 AU - 7.09 AU

Year: 6341 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,202,965 km

• M1: 149,897 km (0.093 R)
• M2: 539,600 km (0.099 R)
• M3: 1,003,802 km (0.1 R)
• M4: 1,697,637 km (0.06 R)
• M5: 2,190,262 km (0.098 R)
• M6: 2,604,050 km (0.108 R)
• M7: 3,829,855 km (0.116 R)
• M8: 4,242,745 km (0.118 R)
• M9: 5,185,661 km (0.055 R)
• M10: 6,707,969 km (0.112 R)
• M11: 7,207,625 km (0.119 R)
• M12: 12,391,042 km (0.086 R)
• M13: 14,523,709 km (0.077 R)
• M14: 16,829,910 km (0.113 R)
• M15: 18,453,945 km (0.072 R)
• M16: 20,523,930 km (0.063 R)
• M17: 23,342,354 km (0.111 R)
• M18: 28,683,597 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 13.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.8 AU - 8.06 AU

Year: 7085 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,202,965 km

• M1: 171,888 km (0.107 R)
• M2: 704,157 km (0.039 R)
• M3: 1,146,069 km (0.083 R)
• M4: 2,028,846 km (0.103 R)
• M5: 3,035,490 km (0.039 R)
• M6: 3,998,302 km (0.083 R)
• M7: 4,484,645 km (0.115 R)
• M8: 5,303,693 km (0.113 R)
• M9: 6,253,789 km (0.054 R)
• M10: 7,809,906 km (0.106 R)
• M11: 10,729,758 km (0.065 R)
• M12: 11,778,289 km (0.11 R)
• M13: 12,354,091 km (0.072 R)
• M14: 13,733,085 km (0.115 R)
• M15: 14,312,477 km (0.116 R)
• M16: 14,968,763 km (0.115 R)
• M17: 18,277,269 km (0.032 R)
• M18: 25,950,892 km (0.059 R)
• M19: 27,653,166 km (0.083 R)
• M20: 28,671,928 km (0.078 R)
• M21: 29,238,156 km (0.094 R)
• M22: 29,811,864 km (0.094 R)
• M23: 31,879,007 km (0.118 R)
• M24: 34,356,797 km (0.045 R)
• M25: 37,631,195 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 13.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.6 AU - 9 AU

Year: 7621 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,202,965 km

• M1: 164,109 km (0.12 R)
• M2: 677,978 km (0.098 R)
• M3: 1,111,811 km (0.104 R)
• M4: 1,660,387 km (0.113 R)
• M5: 2,438,894 km (0.038 R)
• M6: 3,256,446 km (0.12 R)
• M7: 3,811,455 km (0.119 R)
• M8: 4,694,381 km (0.081 R)
• M9: 6,057,367 km (0.082 R)
• M10: 7,976,858 km (0.058 R)
• M11: 9,075,953 km (0.109 R)
• M12: 12,134,033 km (0.111 R)
• M13: 13,642,129 km (0.061 R)
• M14: 16,008,618 km (0.097 R)
• M15: 17,158,277 km (0.111 R)
• M16: 18,225,658 km (0.057 R)
• M17: 23,908,732 km (0.076 R)
• M18: 26,270,284 km (0.102 R)
• M19: 29,529,872 km (0.08 R)
• M20: 30,098,344 km (0.063 R)
• M21: 32,244,923 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 14.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.52 AU - 11.22 AU

Year: 10034 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,202,965 km

• M1: 182,958 km (0.092 R)
• M2: 1,456,934 km (0.084 R)
• M3: 2,084,198 km (0.097 R)
• M4: 3,967,036 km (0.069 R)
• M5: 5,298,308 km (0.086 R)
• M6: 7,387,741 km (0.118 R)
• M7: 9,481,064 km (0.096 R)
• M8: 14,809,142 km (0.097 R)
• M9: 16,368,849 km (0.09 R)
• M10: 16,824,525 km (0.093 R)
• M11: 18,035,370 km (0.092 R)
• M12: 20,933,679 km (0.065 R)
• M13: 22,413,800 km (0.083 R)
• M14: 23,879,261 km (0.032 R)
• M15: 24,805,870 km (0.07 R)
• M16: 28,099,267 km (0.106 R)
• M17: 30,190,047 km (0.05 R)
• M18: 34,042,641 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 9.2

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.67 AU - 11.21 AU

Year: 10147 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,202,965 km

• M1: 114,592 km (0.04 R)
• M2: 419,472 km (0.097 R)
• M3: 908,508 km (0.111 R)
• M4: 1,368,821 km (0.119 R)
• M5: 2,118,156 km (0.116 R)
• M6: 2,870,334 km (0.108 R)
• M7: 3,952,376 km (0.118 R)
• M8: 4,436,325 km (0.068 R)
• M9: 5,454,488 km (0.035 R)
• M10: 5,767,148 km (0.033 R)
• M11: 7,058,327 km (0.094 R)
• M12: 7,557,086 km (0.094 R)
• M13: 9,589,672 km (0.113 R)
• M14: 10,464,521 km (0.108 R)
• M15: 11,391,728 km (0.045 R)
• M16: 14,304,848 km (0.029 R)
• M17: 15,240,133 km (0.111 R)
• M18: 16,718,759 km (0.059 R)
• M19: 19,232,153 km (0.058 R)
• M20: 20,288,014 km (0.069 R)
• M21: 23,141,295 km (0.052 R)
• M22: 23,504,369 km (0.109 R)
• M23: 24,616,479 km (0.057 R)
• M24: 25,377,184 km (0.11 R)
• M25: 28,163,445 km (0.1 R)
• M26: 28,577,382 km (0.119 R)
• M27: 32,036,982 km (0.109 R)
• M28: 35,766,158 km (0.095 R)
• M29: 37,112,090 km (0.088 R)
• M30: 44,631,777 km (0.042 R)
• M31: 48,227,960 km (0.067 R)
• M32: 51,548,434 km (0.05 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 14.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 11.05 AU - 13.65 AU

Year: 15184 Days

Day: 14.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,202,965 km

• M1: 176,675 km (0.089 R)
• M2: 685,757 km (0.089 R)
• M3: 1,669,512 km (0.117 R)
• M4: 3,441,349 km (0.108 R)
• M5: 3,964,044 km (0.116 R)
• M6: 4,803,139 km (0.084 R)
• M7: 6,797,727 km (0.069 R)
• M8: 8,925,607 km (0.107 R)
• M9: 11,412,522 km (0.068 R)
• M10: 11,904,999 km (0.081 R)
• M11: 13,711,094 km (0.106 R)
• M12: 14,520,568 km (0.094 R)
• M13: 19,361,106 km (0.115 R)
• M14: 20,540,236 km (0.111 R)
• M15: 21,188,444 km (0.066 R)
• M16: 22,017,815 km (0.077 R)
• M17: 23,565,255 km (0.07 R)
• M18: 24,545,869 km (0.096 R)
• M19: 25,833,009 km (0.083 R)
• M20: 28,742,388 km (0.097 R)
• M21: 30,484,605 km (0.086 R)
• M22: 34,178,925 km (0.029 R)
• M23: 40,770,506 km (0.087 R)
• M24: 41,924,205 km (0.107 R)
• M25: 44,162,638 km (0.075 R)
• M26: 44,700,741 km (0.067 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 20,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit