🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.82 AU - 0.86 AU

Year: 272 Days

Day: 37 Hours

Environment

Temp: 117 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.86 AU - 1.4 AU

Year: 424 Days

Day: 36.5 Hours

Environment

Temp: 29 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 99,927,262 km

• M1: 242,498 km (0.094 R)
• M2: 558,299 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 9

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.51 AU - 6.65 AU

Year: 5294 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 99,927,262 km

• M1: 111,899 km (0.11 R)
• M2: 634,295 km (0.111 R)
• M3: 1,021,753 km (0.059 R)
• M4: 1,421,629 km (0.117 R)
• M5: 1,996,832 km (0.105 R)
• M6: 2,611,829 km (0.093 R)
• M7: 3,101,762 km (0.055 R)
• M8: 3,856,783 km (0.062 R)
• M9: 4,290,467 km (0.044 R)
• M10: 5,284,096 km (0.071 R)
• M11: 6,424,032 km (0.104 R)
• M12: 9,308,877 km (0.115 R)
• M13: 21,267,731 km (0.027 R)
• M14: 21,787,284 km (0.119 R)
• M15: 23,554,334 km (0.075 R)
• M16: 24,594,189 km (0.067 R)
• M17: 25,664,562 km (0.112 R)
• M18: 27,197,342 km (0.103 R)
• M19: 27,721,533 km (0.07 R)
• M20: 30,631,810 km (0.117 R)
• M21: 32,453,014 km (0.099 R)
• M22: 32,943,994 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 13.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.6 AU - 7.6 AU

Year: 5987 Days

Day: 7.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 99,927,262 km

• M1: 166,652 km (0.066 R)
• M2: 1,013,077 km (0.075 R)
• M3: 2,231,402 km (0.092 R)
• M4: 2,865,248 km (0.109 R)
• M5: 3,453,467 km (0.057 R)
• M6: 5,492,486 km (0.052 R)
• M7: 6,430,464 km (0.074 R)
• M8: 9,433,791 km (0.095 R)
• M9: 13,514,522 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.3

Radius: 8.8

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.58 AU - 9.02 AU

Year: 6964 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 99,927,262 km

• M1: 109,506 km (0.116 R)
• M2: 626,665 km (0.079 R)
• M3: 1,140,534 km (0.077 R)
• M4: 1,453,942 km (0.072 R)
• M5: 1,869,973 km (0.082 R)
• M6: 2,207,317 km (0.071 R)
• M7: 2,740,334 km (0.112 R)
• M8: 4,576,199 km (0.104 R)
• M9: 5,102,335 km (0.072 R)
• M10: 5,866,032 km (0.117 R)
• M11: 6,451,558 km (0.101 R)
• M12: 6,887,935 km (0.105 R)
• M13: 7,819,929 km (0.109 R)
• M14: 10,027,994 km (0.05 R)
• M15: 14,133,408 km (0.086 R)
• M16: 14,807,945 km (0.114 R)
• M17: 16,354,039 km (0.068 R)
• M18: 19,239,333 km (0.108 R)
• M19: 19,612,879 km (0.06 R)
• M20: 21,076,994 km (0.081 R)
• M21: 22,861,696 km (0.11 R)
• M22: 23,705,428 km (0.069 R)
• M23: 24,308,158 km (0.097 R)
• M24: 27,665,433 km (0.106 R)
• M25: 29,405,406 km (0.075 R)
• M26: 31,114,412 km (0.072 R)
• M27: 35,731,152 km (0.081 R)
• M28: 40,417,754 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 14.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.49 AU - 10.29 AU

Year: 9359 Days

Day: 6.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 99,927,262 km

• M1: 186,997 km (0.109 R)
• M2: 704,606 km (0.089 R)
• M3: 1,151,604 km (0.108 R)
• M4: 1,637,349 km (0.094 R)
• M5: 2,372,473 km (0.115 R)
• M6: 3,415,768 km (0.078 R)
• M7: 3,869,349 km (0.042 R)
• M8: 4,507,982 km (0.091 R)
• M9: 5,546,939 km (0.118 R)
• M10: 7,174,115 km (0.105 R)
• M11: 8,453,626 km (0.116 R)
• M12: 9,880,341 km (0.053 R)
• M13: 10,389,871 km (0.12 R)
• M14: 11,241,981 km (0.11 R)
• M15: 15,392,574 km (0.066 R)
• M16: 19,186,675 km (0.088 R)
• M17: 19,821,119 km (0.071 R)
• M18: 20,799,041 km (0.041 R)
• M19: 23,205,921 km (0.059 R)
• M20: 27,156,352 km (0.084 R)
• M21: 30,345,330 km (0.067 R)
• M22: 30,990,246 km (0.025 R)
• M23: 35,171,207 km (0.109 R)
• M24: 38,075,800 km (0.076 R)
• M25: 38,700,371 km (0.119 R)
• M26: 39,842,102 km (0.053 R)
• M27: 40,745,523 km (0.086 R)
• M28: 41,399,116 km (0.081 R)
• M29: 42,996,223 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 10.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 10.07 AU - 11.43 AU

Year: 12445 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 99,927,262 km

• M1: 126,859 km (0.087 R)
• M2: 515,664 km (0.077 R)
• M3: 925,412 km (0.077 R)
• M4: 1,262,905 km (0.093 R)
• M5: 2,644,741 km (0.08 R)
• M6: 3,175,065 km (0.071 R)
• M7: 3,618,324 km (0.059 R)
• M8: 5,005,545 km (0.1 R)
• M9: 5,435,788 km (0.086 R)
• M10: 5,819,058 km (0.092 R)
• M11: 6,257,829 km (0.117 R)
• M12: 7,751,264 km (0.118 R)
• M13: 8,283,085 km (0.065 R)
• M14: 8,934,134 km (0.08 R)
• M15: 11,597,575 km (0.117 R)
• M16: 11,942,398 km (0.096 R)
• M17: 12,412,584 km (0.112 R)
• M18: 13,265,292 km (0.09 R)
• M19: 13,897,941 km (0.085 R)
• M20: 15,360,410 km (0.111 R)
• M21: 17,292,467 km (0.076 R)
• M22: 18,047,487 km (0.104 R)
• M23: 20,864,116 km (0.109 R)
• M24: 23,961,241 km (0.08 R)
• M25: 24,804,524 km (0.086 R)
• M26: 25,764,792 km (0.094 R)
• M27: 26,352,563 km (0.037 R)
• M28: 27,352,325 km (0.106 R)
• M29: 30,177,481 km (0.09 R)
• M30: 31,271,490 km (0.111 R)
• M31: 33,771,121 km (0.12 R)
• M32: 35,549,989 km (0.099 R)
• M33: 39,164,573 km (0.09 R)
• M34: 45,959,607 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757

Radius: 6.9

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 15.98 AU - 20.22 AU

Year: 27190 Days

Day: 17.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 99,927,262 km

• M1: 85,869 km (0.049 R)
• M2: 1,592,918 km (0.116 R)
• M3: 1,860,549 km (0.046 R)
• M4: 2,135,809 km (0.073 R)
• M5: 2,438,296 km (0.104 R)
• M6: 2,690,069 km (0.085 R)
• M7: 3,015,295 km (0.119 R)
• M8: 3,978,107 km (0.113 R)
• M9: 4,548,673 km (0.099 R)
• M10: 5,091,414 km (0.044 R)
• M11: 5,633,257 km (0.104 R)
• M12: 6,588,739 km (0.044 R)
• M13: 8,875,342 km (0.09 R)
• M14: 9,597,451 km (0.032 R)
• M15: 11,855,631 km (0.073 R)
• M16: 12,805,578 km (0.053 R)
• M17: 14,773,388 km (0.104 R)
• M18: 18,232,240 km (0.101 R)
• M19: 19,695,008 km (0.118 R)
• M20: 21,445,453 km (0.119 R)
• M21: 21,764,695 km (0.056 R)
• M22: 22,412,903 km (0.119 R)
• M23: 23,521,572 km (0.094 R)
• M24: 26,943,325 km (0.088 R)
• M25: 29,356,637 km (0.074 R)
• M26: 32,887,297 km (0.045 R)
• M27: 35,639,449 km (0.063 R)
• M28: 43,438,135 km (0.093 R)
• M29: 43,778,620 km (0.026 R)
• M30: 48,733,900 km (0.093 R)
• M31: 54,444,200 km (0.106 R)
• M32: 59,740,563 km (0.028 R)
• M33: 66,717,808 km (0.114 R)
• M34: 89,486,454 km (0.063 R)
• M35: 91,985,038 km (0.091 R)
• M36: 93,393,053 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.3

Radius: 6.2

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 18.41 AU - 22.23 AU

Year: 32343 Days

Day: 22.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 99,927,262 km

• M1: 78,838 km (0.06 R)
• M2: 363,074 km (0.104 R)
• M3: 924,814 km (0.111 R)
• M4: 1,527,544 km (0.094 R)
• M5: 3,410,682 km (0.114 R)
• M6: 4,071,306 km (0.074 R)
• M7: 4,735,670 km (0.109 R)
• M8: 6,184,226 km (0.068 R)
• M9: 7,009,408 km (0.106 R)
• M10: 7,581,022 km (0.073 R)
• M11: 9,923,425 km (0.095 R)
• M12: 11,398,161 km (0.082 R)
• M13: 11,968,877 km (0.116 R)
• M14: 17,425,160 km (0.093 R)
• M15: 19,458,494 km (0.06 R)
• M16: 23,874,175 km (0.117 R)
• M17: 24,689,333 km (0.089 R)
• M18: 30,378,092 km (0.114 R)
• M19: 37,657,374 km (0.069 R)
• M20: 38,127,860 km (0.072 R)
• M21: 39,080,349 km (0.083 R)
• M22: 50,058,739 km (0.093 R)
• M23: 52,945,230 km (0.106 R)
• M24: 54,930,094 km (0.095 R)
• M25: 66,739,799 km (0.116 R)
• M26: 69,288,647 km (0.073 R)
• M27: 75,818,445 km (0.091 R)
• M28: 84,609,265 km (0.119 R)
• M29: 86,499,733 km (0.114 R)
• M30: 86,772,001 km (0.078 R)
• M31: 90,084,846 km (0.043 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 11,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit