🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.82 AU - 0.94 AU

Year: 313 Days

Day: 13.4 Hours

Environment

Temp: 44 °C

Axial Tilt: 12.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.04 AU - 1.14 AU

Year: 431 Days

Day: 29.4 Hours

Environment

Temp: 1 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,732,229 km

• M1: 26,180 km (0.064 R)
• M2: 92,302 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 15

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.37 AU - 5.33 AU

Year: 3436 Days

Day: 11.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,732,229 km

• M1: 186,698 km (0.063 R)
• M2: 740,509 km (0.041 R)
• M3: 1,273,078 km (0.107 R)
• M4: 1,767,349 km (0.072 R)
• M5: 3,292,649 km (0.066 R)
• M6: 4,251,422 km (0.042 R)
• M7: 6,073,374 km (0.105 R)
• M8: 6,692,111 km (0.071 R)
• M9: 7,417,810 km (0.041 R)
• M10: 8,195,570 km (0.118 R)
• M11: 8,878,634 km (0.08 R)
• M12: 9,677,486 km (0.113 R)
• M13: 10,359,054 km (0.059 R)
• M14: 11,115,421 km (0.094 R)
• M15: 11,595,481 km (0.089 R)
• M16: 14,056,366 km (0.07 R)
• M17: 14,722,375 km (0.119 R)
• M18: 15,788,260 km (0.095 R)
• M19: 16,396,076 km (0.051 R)
• M20: 16,904,859 km (0.12 R)
• M21: 22,176,987 km (0.032 R)
• M22: 24,739,299 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 13.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.15 AU - 10.91 AU

Year: 10277 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,732,229 km

• M1: 174,132 km (0.111 R)
• M2: 619,036 km (0.12 R)
• M3: 1,394,252 km (0.069 R)
• M4: 2,280,620 km (0.093 R)
• M5: 3,100,865 km (0.085 R)
• M6: 4,138,625 km (0.106 R)
• M7: 4,707,396 km (0.107 R)
• M8: 5,783,902 km (0.081 R)
• M9: 6,615,068 km (0.06 R)
• M10: 7,101,112 km (0.111 R)
• M11: 7,567,707 km (0.108 R)
• M12: 8,282,935 km (0.117 R)
• M13: 8,800,544 km (0.052 R)
• M14: 9,592,066 km (0.09 R)
• M15: 10,057,764 km (0.037 R)
• M16: 10,978,988 km (0.068 R)
• M17: 12,374,287 km (0.067 R)
• M18: 13,241,207 km (0.101 R)
• M19: 14,821,110 km (0.036 R)
• M20: 15,444,933 km (0.113 R)
• M21: 17,194,330 km (0.117 R)
• M22: 18,830,632 km (0.105 R)
• M23: 19,398,356 km (0.025 R)
• M24: 20,229,372 km (0.096 R)
• M25: 24,265,971 km (0.05 R)
• M26: 27,755,192 km (0.067 R)
• M27: 30,665,918 km (0.113 R)
• M28: 34,252,228 km (0.113 R)
• M29: 40,476,995 km (0.05 R)
• M30: 45,940,758 km (0.095 R)
• M31: 49,383,304 km (0.103 R)
• M32: 53,801,977 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.8

Radius: 15

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.58 AU - 12.34 AU

Year: 13742 Days

Day: 7.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,732,229 km

• M1: 186,997 km (0.093 R)
• M2: 946,207 km (0.102 R)
• M3: 1,570,179 km (0.036 R)
• M4: 2,426,777 km (0.032 R)
• M5: 3,932,629 km (0.112 R)
• M6: 5,449,551 km (0.105 R)
• M7: 7,372,183 km (0.071 R)
• M8: 10,356,062 km (0.104 R)
• M9: 10,969,413 km (0.097 R)
• M10: 11,904,849 km (0.098 R)
• M11: 12,956,372 km (0.119 R)
• M12: 14,271,936 km (0.111 R)
• M13: 15,892,829 km (0.095 R)
• M14: 19,582,660 km (0.071 R)
• M15: 20,091,592 km (0.12 R)
• M16: 22,584,342 km (0.055 R)
• M17: 26,700,826 km (0.098 R)
• M18: 29,375,337 km (0.116 R)
• M19: 34,878,893 km (0.03 R)
• M20: 39,533,332 km (0.065 R)
• M21: 44,004,662 km (0.119 R)
• M22: 44,732,606 km (0.117 R)
• M23: 45,468,478 km (0.072 R)
• M24: 51,327,628 km (0.044 R)
• M25: 53,113,378 km (0.108 R)
• M26: 53,938,559 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.4

Radius: 5.6

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 10.87 AU - 16.21 AU

Year: 18870 Days

Day: 15.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,732,229 km

• M1: 69,713 km (0.057 R)
• M2: 256,710 km (0.069 R)
• M3: 476,320 km (0.032 R)
• M4: 871,408 km (0.093 R)
• M5: 1,075,459 km (0.098 R)
• M6: 1,365,529 km (0.106 R)
• M7: 2,273,588 km (0.09 R)
• M8: 2,687,077 km (0.064 R)
• M9: 3,772,260 km (0.053 R)
• M10: 4,201,307 km (0.102 R)
• M11: 6,483,572 km (0.066 R)
• M12: 7,529,710 km (0.037 R)
• M13: 9,951,250 km (0.079 R)
• M14: 10,768,204 km (0.046 R)
• M15: 11,107,193 km (0.109 R)
• M16: 11,806,563 km (0.048 R)
• M17: 12,350,052 km (0.079 R)
• M18: 12,847,016 km (0.098 R)
• M19: 13,748,643 km (0.116 R)
• M20: 14,350,026 km (0.113 R)
• M21: 16,186,041 km (0.072 R)
• M22: 21,008,927 km (0.061 R)
• M23: 22,348,875 km (0.105 R)
• M24: 22,807,991 km (0.045 R)
• M25: 26,097,648 km (0.114 R)
• M26: 26,504,404 km (0.106 R)
• M27: 27,855,273 km (0.106 R)
• M28: 30,693,594 km (0.115 R)
• M29: 32,066,304 km (0.099 R)
• M30: 32,767,918 km (0.119 R)
• M31: 33,479,555 km (0.036 R)
• M32: 38,752,281 km (0.041 R)
• M33: 39,281,708 km (0.109 R)
• M34: 42,139,775 km (0.114 R)
• M35: 43,122,484 km (0.079 R)
• M36: 46,014,211 km (0.061 R)
• M37: 56,301,308 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.1

Radius: 4.1

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 14.37 AU - 18.15 AU

Year: 24833 Days

Day: 21.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,732,229 km

• M1: 51,312 km (0.11 R)
• M2: 213,476 km (0.089 R)
• M3: 422,764 km (0.098 R)
• M4: 1,110,315 km (0.115 R)
• M5: 1,935,198 km (0.098 R)
• M6: 2,283,911 km (0.071 R)
• M7: 2,530,897 km (0.085 R)
• M8: 3,323,765 km (0.071 R)
• M9: 4,822,287 km (0.101 R)
• M10: 5,305,339 km (0.103 R)
• M11: 5,658,091 km (0.11 R)
• M12: 6,993,551 km (0.101 R)
• M13: 7,660,309 km (0.108 R)
• M14: 8,009,171 km (0.081 R)
• M15: 8,368,505 km (0.114 R)
• M16: 8,792,316 km (0.103 R)
• M17: 8,954,779 km (0.073 R)
• M18: 13,701,071 km (0.049 R)
• M19: 16,154,176 km (0.089 R)
• M20: 16,976,965 km (0.062 R)
• M21: 29,130,745 km (0.095 R)
• M22: 30,470,842 km (0.039 R)
• M23: 32,621,910 km (0.051 R)
• M24: 39,825,796 km (0.115 R)
• M25: 40,271,148 km (0.069 R)
• M26: 40,569,746 km (0.1 R)
• M27: 41,020,484 km (0.055 R)
• M28: 54,855,594 km (0.066 R)
• M29: 56,520,020 km (0.076 R)
• M30: 62,111,540 km (0.096 R)
• M31: 64,938,192 km (0.101 R)
• M32: 65,143,290 km (0.094 R)
• M33: 70,196,856 km (0.11 R)
• M34: 74,154,019 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 16,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit