🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.46 AU - 0.62 AU

Year: 180 Days

Day: 21.7 Hours

Environment

Temp: -4 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.55 AU - 0.83 AU

Year: 260 Days

Day: 43.8 Hours

Environment

Temp: -25 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,896,088 km

• M1: 239,207 km (0.113 R)
• M2: 422,165 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.56 AU - 1.64 AU

Year: 917 Days

Day: 12.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.9

Radius: 10.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.21 AU - 3.43 AU

Year: 2741 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,896,088 km

• M1: 133,441 km (0.102 R)
• M2: 470,186 km (0.078 R)
• M3: 843,134 km (0.107 R)
• M4: 1,166,714 km (0.065 R)
• M5: 1,503,459 km (0.098 R)
• M6: 2,722,980 km (0.089 R)
• M7: 3,218,299 km (0.067 R)
• M8: 3,757,899 km (0.112 R)
• M9: 4,627,661 km (0.072 R)
• M10: 5,645,824 km (0.061 R)
• M11: 6,260,970 km (0.112 R)
• M12: 7,920,010 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.1

Radius: 10

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.69 AU - 5.53 AU

Year: 4484 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,896,088 km

• M1: 125,064 km (0.085 R)
• M2: 983,008 km (0.08 R)
• M3: 1,310,328 km (0.047 R)
• M4: 2,100,952 km (0.041 R)
• M5: 2,911,175 km (0.093 R)
• M6: 4,579,640 km (0.105 R)
• M7: 6,808,349 km (0.034 R)
• M8: 8,533,212 km (0.106 R)
• M9: 9,285,839 km (0.103 R)
• M10: 9,878,845 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 8.3

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.43 AU - 7.17 AU

Year: 6328 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,896,088 km

• M1: 103,372 km (0.066 R)
• M2: 494,870 km (0.119 R)
• M3: 769,232 km (0.113 R)
• M4: 1,354,758 km (0.114 R)
• M5: 1,677,591 km (0.096 R)
• M6: 2,036,326 km (0.049 R)
• M7: 3,452,569 km (0.092 R)
• M8: 4,470,732 km (0.077 R)
• M9: 6,456,495 km (0.047 R)
• M10: 7,086,750 km (0.11 R)
• M11: 8,068,711 km (0.107 R)
• M12: 8,633,592 km (0.114 R)
• M13: 9,053,065 km (0.046 R)
• M14: 9,398,337 km (0.069 R)
• M15: 10,115,359 km (0.109 R)
• M16: 10,820,115 km (0.113 R)
• M17: 11,507,068 km (0.096 R)
• M18: 13,296,408 km (0.082 R)
• M19: 14,548,543 km (0.106 R)
• M20: 14,843,699 km (0.045 R)
• M21: 16,699,610 km (0.101 R)
• M22: 17,884,725 km (0.052 R)
• M23: 18,705,269 km (0.103 R)
• M24: 19,054,430 km (0.026 R)
• M25: 20,643,010 km (0.084 R)
• M26: 25,849,614 km (0.12 R)
• M27: 26,457,730 km (0.114 R)
• M28: 26,809,584 km (0.085 R)
• M29: 27,883,547 km (0.116 R)
• M30: 30,213,085 km (0.085 R)
• M31: 32,467,824 km (0.047 R)
• M32: 32,770,012 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241

Radius: 9.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.15 AU - 8.27 AU

Year: 9699 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,896,088 km

• M1: 118,182 km (0.11 R)
• M2: 504,594 km (0.07 R)
• M3: 1,621,342 km (0.114 R)
• M4: 1,988,754 km (0.09 R)
• M5: 2,990,312 km (0.072 R)
• M6: 3,504,480 km (0.095 R)
• M7: 3,863,814 km (0.096 R)
• M8: 5,614,707 km (0.041 R)
• M9: 8,183,901 km (0.092 R)
• M10: 9,190,994 km (0.043 R)
• M11: 11,018,332 km (0.062 R)
• M12: 13,451,392 km (0.09 R)
• M13: 18,804,303 km (0.099 R)
• M14: 21,500,206 km (0.071 R)
• M15: 21,948,252 km (0.096 R)
• M16: 23,018,026 km (0.086 R)
• M17: 30,363,581 km (0.102 R)

Asteroid Belt

Center: 10.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.2

Radius: 4.3

Gravity: 46.52 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.69 AU - 15.83 AU

Year: 21875 Days

Day: 22 Hours

Environment

Temp: -221 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,896,088 km

• M1: 53,406 km (0.096 R)
• M2: 196,572 km (0.085 R)
• M3: 377,735 km (0.108 R)
• M4: 561,441 km (0.101 R)
• M5: 729,439 km (0.062 R)
• M6: 1,212,790 km (0.083 R)
• M7: 1,729,800 km (0.096 R)
• M8: 1,985,762 km (0.059 R)
• M9: 3,629,693 km (0.1 R)
• M10: 3,982,744 km (0.107 R)
• M11: 5,796,170 km (0.051 R)
• M12: 6,055,871 km (0.105 R)
• M13: 6,738,935 km (0.115 R)
• M14: 7,625,003 km (0.109 R)
• M15: 8,365,663 km (0.075 R)
• M16: 9,153,295 km (0.038 R)
• M17: 10,680,540 km (0.078 R)
• M18: 12,655,681 km (0.082 R)
• M19: 14,781,466 km (0.044 R)
• M20: 16,523,833 km (0.116 R)
• M21: 19,053,682 km (0.119 R)
• M22: 20,709,282 km (0.061 R)
• M23: 29,416,177 km (0.043 R)
• M24: 31,753,794 km (0.092 R)
• M25: 32,559,677 km (0.081 R)
• M26: 32,695,363 km (0.09 R)
• M27: 34,493,080 km (0.037 R)
• M28: 36,355,574 km (0.071 R)
• M29: 45,147,141 km (0.074 R)
• M30: 47,547,140 km (0.06 R)
• M31: 61,449,270 km (0.119 R)
• M32: 70,785,224 km (0.053 R)
• M33: 72,158,533 km (0.099 R)
• M34: 85,070,176 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.9

Radius: 4.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 13.29 AU - 17.59 AU

Year: 27486 Days

Day: 17.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,896,088 km

• M1: 56,099 km (0.072 R)
• M2: 225,743 km (0.055 R)
• M3: 368,759 km (0.104 R)
• M4: 990,188 km (0.105 R)
• M5: 1,138,141 km (0.116 R)
• M6: 2,504,418 km (0.058 R)
• M7: 3,322,868 km (0.042 R)
• M8: 3,526,471 km (0.04 R)
• M9: 4,158,821 km (0.109 R)
• M10: 5,026,788 km (0.076 R)
• M11: 7,196,854 km (0.11 R)
• M12: 12,155,874 km (0.099 R)
• M13: 12,396,278 km (0.082 R)
• M14: 18,443,323 km (0.036 R)
• M15: 25,901,226 km (0.09 R)
• M16: 27,621,452 km (0.071 R)
• M17: 31,512,941 km (0.111 R)
• M18: 33,706,943 km (0.07 R)
• M19: 38,011,173 km (0.111 R)
• M20: 38,525,341 km (0.098 R)
• M21: 38,783,996 km (0.036 R)
• M22: 39,043,997 km (0.096 R)
• M23: 43,923,580 km (0.064 R)
• M24: 46,216,916 km (0.025 R)
• M25: 47,393,054 km (0.051 R)
• M26: 49,804,722 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 13,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit