🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.81 AU - 1.27 AU

Year: 373 Days

Day: 37.3 Hours

Environment

Temp: 147 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,551,817 km

• M1: 904,020 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.93 AU - 1.39 AU

Year: 439 Days

Day: 42.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 29.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.39 AU - 1.73 AU

Year: 685 Days

Day: 29.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,551,817 km

• M1: 768,783 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.69 AU - 1.73 AU

Year: 786 Days

Day: 13.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.32 AU - 2.52 AU

Year: 1323 Days

Day: 36.1 Hours

Environment

Temp: -67 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.79 AU - 4.53 AU

Year: 2461 Days

Day: 26.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.28 AU - 5.66 AU

Year: 3894 Days

Day: 23.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.53 AU - 5.99 AU

Year: 4240 Days

Day: 35.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 12.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.75 AU - 10.45 AU

Year: 8864 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 60,551,817 km

• M1: 167,849 km (0.102 R)
• M2: 327,171 km (0.109 R)
• M3: 421,118 km (0.114 R)
• M4: 562,338 km (0.028 R)
• M5: 722,707 km (0.065 R)
• M6: 885,619 km (0.078 R)
• M7: 1,046,736 km (0.083 R)
• M8: 1,283,101 km (0.108 R)
• M9: 1,537,417 km (0.094 R)
• M10: 1,752,988 km (0.06 R)
• M11: 2,114,865 km (0.07 R)
• M12: 2,234,095 km (0.104 R)
• M13: 2,521,472 km (0.091 R)
• M14: 2,755,892 km (0.08 R)
• M15: 3,269,162 km (0.098 R)
• M16: 3,407,989 km (0.113 R)
• M17: 3,525,274 km (0.104 R)
• M18: 3,643,905 km (0.112 R)
• M19: 4,157,026 km (0.083 R)
• M20: 4,511,872 km (0.09 R)
• M21: 5,886,527 km (0.03 R)
• M22: 6,170,463 km (0.074 R)
• M23: 6,285,355 km (0.1 R)
• M24: 6,781,571 km (0.098 R)
• M25: 6,870,432 km (0.117 R)
• M26: 7,411,976 km (0.034 R)
• M27: 7,595,682 km (0.096 R)
• M28: 7,842,818 km (0.069 R)
• M29: 7,936,167 km (0.07 R)
• M30: 8,857,989 km (0.057 R)
• M31: 9,679,880 km (0.102 R)
• M32: 10,015,577 km (0.114 R)
• M33: 10,491,897 km (0.054 R)
• M34: 10,698,193 km (0.078 R)
• M35: 11,185,134 km (0.111 R)
• M36: 11,360,761 km (0.095 R)
• M37: 11,786,218 km (0.116 R)
• M38: 12,798,995 km (0.111 R)
• M39: 13,390,206 km (0.084 R)
• M40: 13,726,801 km (0.119 R)
• M41: 14,028,241 km (0.115 R)
• M42: 15,372,976 km (0.11 R)
• M43: 15,568,501 km (0.11 R)
• M44: 16,278,941 km (0.105 R)
• M45: 16,879,128 km (0.087 R)
• M46: 17,895,645 km (0.094 R)
• M47: 18,723,071 km (0.095 R)
• M48: 19,015,685 km (0.083 R)
• M49: 19,141,496 km (0.114 R)
• M50: 19,225,570 km (0.088 R)
• M51: 19,520,727 km (0.102 R)
• M52: 20,030,257 km (0.035 R)
• M53: 20,115,528 km (0.045 R)
• M54: 20,200,948 km (0.068 R)
• M55: 20,329,453 km (0.072 R)
• M56: 20,544,126 km (0.052 R)
• M57: 21,453,831 km (0.075 R)
• M58: 21,672,393 km (0.097 R)
• M59: 22,155,893 km (0.107 R)
• M60: 22,865,436 km (0.116 R)
• M61: 23,267,854 km (0.075 R)
• M62: 23,808,052 km (0.104 R)
• M63: 23,943,738 km (0.062 R)
• M64: 24,626,053 km (0.118 R)
• M65: 25,314,802 km (0.078 R)
• M66: 25,916,784 km (0.119 R)
• M67: 26,196,233 km (0.112 R)
• M68: 27,324,201 km (0.1 R)
• M69: 27,418,896 km (0.12 R)
• M70: 27,703,581 km (0.108 R)
• M71: 27,798,725 km (0.111 R)
• M72: 27,989,462 km (0.104 R)
• M73: 29,870,656 km (0.081 R)
• M74: 30,065,881 km (0.09 R)
• M75: 30,457,678 km (0.061 R)
• M76: 31,593,425 km (0.056 R)
• M77: 31,792,390 km (0.09 R)
• M78: 32,141,551 km (0.026 R)
• M79: 32,692,819 km (0.075 R)
• M80: 33,348,357 km (0.109 R)
• M81: 33,855,644 km (0.075 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 11.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 11.71 AU - 13.81 AU

Year: 16020 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 60,551,817 km

• M1: 237,561 km (0.07 R)
• M2: 318,793 km (0.113 R)
• M3: 493,823 km (0.107 R)
• M4: 705,504 km (0.079 R)
• M5: 783,145 km (0.077 R)
• M6: 927,058 km (0.078 R)
• M7: 1,126,023 km (0.025 R)
• M8: 1,266,645 km (0.049 R)
• M9: 1,644,829 km (0.114 R)
• M10: 1,806,095 km (0.116 R)
• M11: 2,262,219 km (0.041 R)
• M12: 3,414,422 km (0.064 R)
• M13: 3,552,351 km (0.062 R)
• M14: 3,762,985 km (0.114 R)
• M15: 4,123,067 km (0.07 R)
• M16: 4,233,321 km (0.081 R)
• M17: 4,381,871 km (0.099 R)
• M18: 4,799,399 km (0.077 R)
• M19: 5,960,877 km (0.097 R)
• M20: 6,253,939 km (0.085 R)
• M21: 6,941,491 km (0.105 R)
• M22: 7,073,137 km (0.081 R)
• M23: 7,562,920 km (0.029 R)
• M24: 7,653,277 km (0.085 R)
• M25: 8,481,601 km (0.115 R)
• M26: 8,669,496 km (0.066 R)
• M27: 9,532,526 km (0.075 R)
• M28: 9,826,187 km (0.117 R)
• M29: 11,755,251 km (0.109 R)
• M30: 13,467,997 km (0.108 R)
• M31: 13,632,555 km (0.098 R)
• M32: 14,019,116 km (0.114 R)
• M33: 15,086,496 km (0.079 R)
• M34: 15,314,633 km (0.098 R)
• M35: 15,543,817 km (0.074 R)
• M36: 17,418,278 km (0.098 R)
• M37: 18,686,719 km (0.068 R)
• M38: 19,363,051 km (0.086 R)
• M39: 19,797,633 km (0.059 R)
• M40: 20,361,168 km (0.095 R)
• M41: 20,487,129 km (0.054 R)
• M42: 22,407,218 km (0.049 R)
• M43: 22,994,390 km (0.065 R)
• M44: 23,718,892 km (0.07 R)
• M45: 23,917,857 km (0.089 R)
• M46: 24,117,271 km (0.078 R)
• M47: 24,250,563 km (0.098 R)
• M48: 24,651,934 km (0.106 R)
• M49: 25,122,868 km (0.063 R)
• M50: 26,073,862 km (0.057 R)
• M51: 27,105,788 km (0.082 R)
• M52: 28,713,815 km (0.05 R)
• M53: 28,925,945 km (0.078 R)
• M54: 29,707,744 km (0.028 R)
• M55: 30,640,935 km (0.107 R)
• M56: 31,002,364 km (0.066 R)
• M57: 31,729,409 km (0.116 R)
• M58: 34,693,691 km (0.12 R)
• M59: 35,524,258 km (0.079 R)
• M60: 36,056,228 km (0.094 R)
• M61: 36,361,408 km (0.119 R)
• M62: 37,204,990 km (0.061 R)
• M63: 37,282,033 km (0.096 R)
• M64: 40,247,662 km (0.093 R)
• M65: 42,400,674 km (0.072 R)
• M66: 43,612,866 km (0.03 R)
• M67: 44,590,787 km (0.109 R)
• M68: 45,164,495 km (0.096 R)
• M69: 47,067,080 km (0.102 R)
• M70: 47,818,660 km (0.117 R)
• M71: 48,490,055 km (0.075 R)
• M72: 49,080,069 km (0.115 R)
• M73: 50,012,214 km (0.094 R)
• M74: 51,121,183 km (0.053 R)
• M75: 51,378,192 km (0.081 R)
• M76: 52,152,062 km (0.104 R)
• M77: 53,016,438 km (0.117 R)
• M78: 53,711,320 km (0.075 R)
• M79: 55,725,805 km (0.113 R)
• M80: 56,697,892 km (0.073 R)
• M81: 57,675,813 km (0.112 R)
• M82: 57,854,134 km (0.103 R)
• M83: 59,287,731 km (0.118 R)
• M84: 59,738,170 km (0.082 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 13,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit