🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.78 AU - 0.88 AU

Year: 282 Days

Day: 27.6 Hours

Environment

Temp: 79 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,730,521 km

• M1: 71,358 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.77 AU - 1.21 AU

Year: 367 Days

Day: 35.6 Hours

Environment

Temp: 34 °C

Axial Tilt: 61.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.08 AU - 1.22 AU

Year: 460 Days

Day: 21.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 44.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 9.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.66 AU - 5.9 AU

Year: 5180 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,730,521 km

• M1: 119,379 km (0.068 R)
• M2: 461,659 km (0.038 R)
• M3: 773,870 km (0.075 R)
• M4: 3,722,893 km (0.074 R)
• M5: 5,716,284 km (0.054 R)
• M6: 8,093,694 km (0.102 R)
• M7: 9,424,666 km (0.089 R)
• M8: 11,021,623 km (0.099 R)
• M9: 11,447,528 km (0.101 R)
• M10: 12,241,893 km (0.032 R)
• M11: 19,721,039 km (0.093 R)
• M12: 20,096,380 km (0.115 R)
• M13: 21,382,323 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 8.4

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.69 AU - 11.77 AU

Year: 11314 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,730,521 km

• M1: 125,812 km (0.054 R)
• M2: 400,324 km (0.087 R)
• M3: 904,170 km (0.095 R)
• M4: 1,413,101 km (0.112 R)
• M5: 1,678,039 km (0.105 R)
• M6: 2,660,449 km (0.109 R)
• M7: 2,951,716 km (0.075 R)
• M8: 3,264,226 km (0.055 R)
• M9: 3,760,890 km (0.099 R)
• M10: 5,105,177 km (0.119 R)
• M11: 5,557,411 km (0.064 R)
• M12: 6,582,157 km (0.095 R)
• M13: 7,953,820 km (0.086 R)
• M14: 8,371,646 km (0.116 R)
• M15: 9,100,786 km (0.047 R)
• M16: 11,079,517 km (0.104 R)
• M17: 13,264,694 km (0.095 R)
• M18: 14,187,114 km (0.096 R)
• M19: 21,251,724 km (0.069 R)
• M20: 23,538,477 km (0.066 R)
• M21: 24,400,460 km (0.06 R)
• M22: 27,321,059 km (0.099 R)
• M23: 28,272,950 km (0.105 R)
• M24: 36,190,866 km (0.1 R)
• M25: 39,438,038 km (0.099 R)
• M26: 41,476,758 km (0.106 R)
• M27: 45,615,832 km (0.112 R)
• M28: 49,553,696 km (0.088 R)
• M29: 50,809,570 km (0.113 R)
• M30: 52,408,921 km (0.088 R)
• M31: 55,037,356 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.4

Radius: 14.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.41 AU - 13.45 AU

Year: 14405 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,730,521 km

• M1: 184,005 km (0.118 R)
• M2: 683,064 km (0.115 R)
• M3: 1,693,448 km (0.1 R)
• M4: 3,648,842 km (0.061 R)
• M5: 4,238,257 km (0.103 R)
• M6: 4,890,953 km (0.093 R)
• M7: 5,995,883 km (0.068 R)
• M8: 6,995,047 km (0.094 R)
• M9: 8,396,928 km (0.042 R)
• M10: 10,606,489 km (0.097 R)
• M11: 20,336,484 km (0.098 R)
• M12: 25,515,562 km (0.092 R)
• M13: 26,045,438 km (0.112 R)
• M14: 27,679,496 km (0.049 R)
• M15: 30,198,425 km (0.086 R)
• M16: 32,123,899 km (0.096 R)
• M17: 33,620,925 km (0.105 R)
• M18: 45,118,867 km (0.084 R)
• M19: 47,952,849 km (0.105 R)
• M20: 50,736,417 km (0.049 R)
• M21: 56,444,324 km (0.075 R)
• M22: 61,611,733 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.9

Radius: 4.9

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.19 AU - 18.03 AU

Year: 20818 Days

Day: 17.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,730,521 km

• M1: 61,036 km (0.091 R)
• M2: 323,131 km (0.11 R)
• M3: 688,001 km (0.1 R)
• M4: 1,292,226 km (0.074 R)
• M5: 1,455,587 km (0.105 R)
• M6: 1,775,128 km (0.075 R)
• M7: 2,013,288 km (0.053 R)
• M8: 2,724,476 km (0.106 R)
• M9: 3,943,849 km (0.093 R)
• M10: 6,220,429 km (0.103 R)
• M11: 10,121,792 km (0.111 R)
• M12: 10,281,562 km (0.064 R)
• M13: 10,825,949 km (0.083 R)
• M14: 13,709,897 km (0.037 R)
• M15: 16,620,772 km (0.1 R)
• M16: 18,298,512 km (0.072 R)
• M17: 18,615,211 km (0.092 R)
• M18: 19,341,060 km (0.03 R)
• M19: 19,669,726 km (0.117 R)
• M20: 22,075,260 km (0.118 R)
• M21: 24,959,507 km (0.108 R)
• M22: 30,014,718 km (0.097 R)
• M23: 34,135,691 km (0.078 R)
• M24: 37,462,748 km (0.056 R)
• M25: 38,488,540 km (0.084 R)
• M26: 40,328,594 km (0.102 R)
• M27: 41,541,982 km (0.078 R)
• M28: 44,041,314 km (0.064 R)
• M29: 44,467,369 km (0.088 R)
• M30: 45,762,138 km (0.119 R)
• M31: 49,643,156 km (0.07 R)
• M32: 52,933,711 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.6

Radius: 4.3

Gravity: 26.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 13.17 AU - 16.93 AU

Year: 21765 Days

Day: 22 Hours

Environment

Temp: -184 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,730,521 km

• M1: 53,556 km (0.05 R)
• M2: 214,673 km (0.117 R)
• M3: 552,914 km (0.11 R)
• M4: 891,903 km (0.09 R)
• M5: 2,772,348 km (0.11 R)
• M6: 3,022,475 km (0.112 R)
• M7: 3,625,504 km (0.096 R)
• M8: 6,760,777 km (0.101 R)
• M9: 7,260,284 km (0.089 R)
• M10: 7,735,257 km (0.056 R)
• M11: 8,799,796 km (0.116 R)
• M12: 10,307,293 km (0.077 R)
• M13: 12,776,406 km (0.081 R)
• M14: 16,084,015 km (0.105 R)
• M15: 16,242,888 km (0.039 R)
• M16: 19,556,630 km (0.105 R)
• M17: 20,195,563 km (0.094 R)
• M18: 20,754,161 km (0.071 R)
• M19: 23,395,910 km (0.06 R)
• M20: 24,744,236 km (0.073 R)
• M21: 26,806,742 km (0.113 R)
• M22: 31,023,756 km (0.054 R)
• M23: 35,797,125 km (0.066 R)
• M24: 37,028,016 km (0.104 R)
• M25: 39,718,683 km (0.069 R)
• M26: 41,632,938 km (0.052 R)
• M27: 45,644,106 km (0.113 R)
• M28: 47,090,418 km (0.081 R)
• M29: 52,830,338 km (0.057 R)
• M30: 56,966,720 km (0.107 R)
• M31: 60,350,474 km (0.051 R)
• M32: 60,734,641 km (0.116 R)
• M33: 62,091,643 km (0.118 R)
• M34: 71,730,533 km (0.108 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 19,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit