🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.41 AU - 0.69 AU

Year: 146 Days

Day: 27 Hours

Environment

Temp: 235 °C

Axial Tilt: 6.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 23,424,717 km

• M1: 73,901 km (0.105 R)
• M2: 296,653 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.69 AU - 0.93 AU

Year: 261 Days

Day: 13.5 Hours

Environment

Temp: 151 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.91 AU - 1.37 AU

Year: 436 Days

Day: 18.9 Hours

Environment

Temp: 13 °C

Axial Tilt: 28.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 23,424,717 km

• M1: 54,753 km (0.054 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.24 AU - 1.74 AU

Year: 651 Days

Day: 23.1 Hours

Environment

Temp: -26 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.87 AU - 2.51 AU

Year: 1161 Days

Day: 43.9 Hours

Environment

Temp: -64 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.36 AU - 2.44 AU

Year: 1332 Days

Day: 38.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 14.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.17 AU - 8.45 AU

Year: 6365 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 23,424,717 km

• M1: 188,045 km (0.082 R)
• M2: 291,417 km (0.108 R)
• M3: 445,502 km (0.033 R)
• M4: 589,266 km (0.116 R)
• M5: 709,842 km (0.1 R)
• M6: 992,283 km (0.111 R)
• M7: 1,128,716 km (0.043 R)
• M8: 1,366,577 km (0.116 R)
• M9: 1,621,641 km (0.102 R)
• M10: 1,923,679 km (0.116 R)
• M11: 2,033,783 km (0.113 R)
• M12: 2,211,356 km (0.032 R)
• M13: 2,479,136 km (0.058 R)
• M14: 2,599,712 km (0.099 R)
• M15: 2,846,997 km (0.093 R)
• M16: 3,046,860 km (0.11 R)
• M17: 3,635,228 km (0.057 R)
• M18: 4,259,051 km (0.077 R)
• M19: 4,573,057 km (0.084 R)
• M20: 4,916,534 km (0.095 R)
• M21: 5,223,958 km (0.087 R)
• M22: 5,492,635 km (0.091 R)
• M23: 5,950,555 km (0.102 R)
• M24: 6,564,355 km (0.107 R)
• M25: 6,684,781 km (0.081 R)
• M26: 7,198,500 km (0.103 R)
• M27: 7,699,802 km (0.116 R)
• M28: 8,134,833 km (0.11 R)
• M29: 8,394,535 km (0.117 R)
• M30: 8,736,366 km (0.05 R)
• M31: 9,298,106 km (0.12 R)
• M32: 10,204,520 km (0.107 R)
• M33: 10,569,389 km (0.114 R)
• M34: 11,024,465 km (0.115 R)
• M35: 11,398,909 km (0.112 R)
• M36: 11,631,384 km (0.062 R)
• M37: 12,278,993 km (0.106 R)
• M38: 12,637,131 km (0.088 R)
• M39: 14,135,503 km (0.11 R)
• M40: 14,229,001 km (0.109 R)
• M41: 14,479,578 km (0.101 R)
• M42: 15,112,227 km (0.091 R)
• M43: 15,239,984 km (0.085 R)
• M44: 15,721,839 km (0.095 R)
• M45: 15,883,554 km (0.118 R)
• M46: 16,110,943 km (0.061 R)
• M47: 16,241,242 km (0.118 R)
• M48: 17,097,541 km (0.053 R)
• M49: 17,197,322 km (0.116 R)
• M50: 18,069,927 km (0.069 R)
• M51: 18,205,462 km (0.109 R)
• M52: 19,301,865 km (0.097 R)
• M53: 19,544,663 km (0.109 R)
• M54: 19,718,645 km (0.116 R)
• M55: 19,893,076 km (0.102 R)
• M56: 20,103,261 km (0.045 R)
• M57: 20,490,271 km (0.083 R)
• M58: 20,738,005 km (0.117 R)
• M59: 21,271,920 km (0.105 R)
• M60: 21,666,409 km (0.119 R)
• M61: 21,846,525 km (0.116 R)
• M62: 22,317,160 km (0.077 R)
• M63: 22,644,929 km (0.11 R)
• M64: 23,231,652 km (0.046 R)
• M65: 23,712,010 km (0.078 R)
• M66: 23,860,412 km (0.028 R)
• M67: 24,946,193 km (0.075 R)
• M68: 25,286,378 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 11.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.52 AU - 7.3 AU

Year: 6506 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 23,424,717 km

• M1: 141,220 km (0.109 R)
• M2: 255,513 km (0.109 R)
• M3: 370,255 km (0.061 R)
• M4: 677,230 km (0.096 R)
• M5: 932,743 km (0.037 R)
• M6: 1,025,045 km (0.113 R)
• M7: 1,399,638 km (0.114 R)
• M8: 1,672,803 km (0.09 R)
• M9: 1,948,363 km (0.099 R)
• M10: 2,207,466 km (0.109 R)
• M11: 2,301,713 km (0.109 R)
• M12: 2,510,551 km (0.078 R)
• M13: 2,725,673 km (0.099 R)
• M14: 2,981,486 km (0.101 R)
• M15: 3,121,210 km (0.118 R)
• M16: 3,443,593 km (0.083 R)
• M17: 3,608,899 km (0.026 R)
• M18: 3,871,294 km (0.112 R)
• M19: 4,081,927 km (0.116 R)
• M20: 4,159,419 km (0.073 R)
• M21: 4,395,036 km (0.119 R)
• M22: 4,594,749 km (0.077 R)
• M23: 4,695,728 km (0.079 R)
• M24: 4,920,573 km (0.105 R)
• M25: 5,211,840 km (0.046 R)
• M26: 5,551,727 km (0.096 R)
• M27: 5,637,895 km (0.088 R)
• M28: 6,119,600 km (0.094 R)
• M29: 6,410,568 km (0.105 R)
• M30: 6,568,992 km (0.051 R)
• M31: 7,381,159 km (0.114 R)
• M32: 7,835,488 km (0.118 R)
• M33: 8,151,438 km (0.11 R)
• M34: 9,303,192 km (0.118 R)
• M35: 9,380,086 km (0.091 R)
• M36: 9,976,682 km (0.074 R)
• M37: 10,081,700 km (0.101 R)
• M38: 10,558,767 km (0.084 R)
• M39: 10,800,069 km (0.118 R)
• M40: 11,016,238 km (0.052 R)
• M41: 11,315,583 km (0.107 R)
• M42: 11,811,500 km (0.084 R)
• M43: 12,118,026 km (0.11 R)
• M44: 12,342,572 km (0.052 R)
• M45: 12,881,424 km (0.097 R)
• M46: 13,024,589 km (0.078 R)
• M47: 13,864,880 km (0.103 R)
• M48: 14,633,365 km (0.051 R)
• M49: 14,782,663 km (0.045 R)
• M50: 14,932,560 km (0.104 R)
• M51: 16,211,323 km (0.057 R)
• M52: 17,114,744 km (0.113 R)
• M53: 17,303,687 km (0.096 R)
• M54: 17,398,382 km (0.092 R)
• M55: 17,493,227 km (0.119 R)
• M56: 17,620,086 km (0.03 R)
• M57: 18,002,458 km (0.095 R)
• M58: 18,130,514 km (0.1 R)
• M59: 18,645,579 km (0.115 R)
• M60: 19,789,405 km (0.093 R)
• M61: 19,888,588 km (0.096 R)
• M62: 20,319,879 km (0.115 R)
• M63: 20,419,810 km (0.028 R)
• M64: 21,023,138 km (0.082 R)
• M65: 21,870,910 km (0.089 R)
• M66: 21,973,384 km (0.077 R)
• M67: 22,076,008 km (0.047 R)
• M68: 22,556,965 km (0.07 R)
• M69: 23,006,806 km (0.109 R)
• M70: 23,180,639 km (0.087 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit