🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.5 AU - 0.76 AU

Year: 190 Days

Day: 43.2 Hours

Environment

Temp: 181 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.38 AU - 2.52 AU

Year: 1460 Days

Day: 20.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.6 AU - 3.18 AU

Year: 1871 Days

Day: 33.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.6

Radius: 13.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.29 AU - 6.77 AU

Year: 4952 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 101,521,528 km

• M1: 165,455 km (0.08 R)
• M2: 724,353 km (0.12 R)
• M3: 1,217,876 km (0.082 R)
• M4: 1,716,486 km (0.114 R)
• M5: 2,683,038 km (0.117 R)
• M6: 3,849,602 km (0.113 R)
• M7: 4,535,807 km (0.113 R)
• M8: 6,184,675 km (0.104 R)
• M9: 8,053,901 km (0.115 R)
• M10: 8,662,465 km (0.117 R)
• M11: 9,886,175 km (0.106 R)
• M12: 11,222,234 km (0.098 R)
• M13: 13,290,424 km (0.119 R)
• M14: 15,313,287 km (0.11 R)
• M15: 20,654,978 km (0.071 R)
• M16: 21,651,898 km (0.114 R)
• M17: 26,374,105 km (0.111 R)
• M18: 27,293,084 km (0.108 R)
• M19: 28,755,254 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732

Radius: 8.8

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.27 AU - 10.87 AU

Year: 11274 Days

Day: 8.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 101,521,528 km

• M1: 109,506 km (0.112 R)
• M2: 888,462 km (0.118 R)
• M3: 1,428,360 km (0.096 R)
• M4: 1,911,113 km (0.102 R)
• M5: 2,479,435 km (0.098 R)
• M6: 3,276,044 km (0.117 R)
• M7: 5,001,206 km (0.1 R)
• M8: 5,715,237 km (0.078 R)
• M9: 7,429,629 km (0.078 R)
• M10: 8,266,778 km (0.073 R)
• M11: 8,684,605 km (0.108 R)
• M12: 10,285,602 km (0.092 R)
• M13: 11,608,944 km (0.09 R)
• M14: 14,456,540 km (0.118 R)
• M15: 16,256,651 km (0.077 R)
• M16: 17,210,637 km (0.088 R)
• M17: 19,635,319 km (0.108 R)
• M18: 23,088,935 km (0.11 R)
• M19: 25,054,951 km (0.077 R)
• M20: 25,344,572 km (0.092 R)
• M21: 26,029,282 km (0.038 R)
• M22: 32,298,180 km (0.1 R)
• M23: 35,718,885 km (0.116 R)
• M24: 37,453,622 km (0.066 R)
• M25: 38,341,785 km (0.071 R)
• M26: 39,634,759 km (0.113 R)
• M27: 48,605,994 km (0.118 R)
• M28: 50,272,963 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 13.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.98 AU - 10.3 AU

Year: 12296 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 101,521,528 km

• M1: 171,290 km (0.033 R)
• M2: 778,358 km (0.073 R)
• M3: 1,525,300 km (0.048 R)
• M4: 2,254,290 km (0.039 R)
• M5: 4,012,664 km (0.102 R)
• M6: 5,034,268 km (0.112 R)
• M7: 6,387,679 km (0.05 R)
• M8: 6,900,651 km (0.07 R)
• M9: 9,982,816 km (0.064 R)
• M10: 12,841,332 km (0.084 R)
• M11: 17,165,308 km (0.115 R)
• M12: 21,682,566 km (0.106 R)
• M13: 22,688,312 km (0.062 R)
• M14: 25,381,224 km (0.094 R)
• M15: 32,681,600 km (0.095 R)
• M16: 33,287,321 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.5

Radius: 4.1

Gravity: 57.38 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 9.84 AU - 15.4 AU

Year: 17072 Days

Day: 24.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 101,521,528 km

• M1: 51,013 km (0.1 R)
• M2: 270,623 km (0.081 R)
• M3: 461,958 km (0.098 R)
• M4: 1,165,068 km (0.067 R)
• M5: 1,446,163 km (0.065 R)
• M6: 1,844,991 km (0.112 R)
• M7: 3,283,075 km (0.098 R)
• M8: 3,540,383 km (0.061 R)
• M9: 5,183,417 km (0.106 R)
• M10: 5,651,957 km (0.111 R)
• M11: 7,086,002 km (0.067 R)
• M12: 7,322,666 km (0.075 R)
• M13: 7,613,484 km (0.114 R)
• M14: 7,811,552 km (0.052 R)
• M15: 10,283,956 km (0.07 R)
• M16: 10,465,269 km (0.062 R)
• M17: 10,648,676 km (0.05 R)
• M18: 11,860,568 km (0.089 R)
• M19: 15,169,523 km (0.098 R)
• M20: 18,064,392 km (0.099 R)
• M21: 20,725,588 km (0.03 R)
• M22: 27,731,855 km (0.08 R)
• M23: 29,397,029 km (0.112 R)
• M24: 30,751,189 km (0.044 R)
• M25: 36,866,002 km (0.117 R)
• M26: 42,335,449 km (0.051 R)
• M27: 42,645,566 km (0.064 R)
• M28: 45,830,953 km (0.089 R)
• M29: 45,994,165 km (0.071 R)
• M30: 55,031,372 km (0.117 R)
• M31: 60,158,839 km (0.1 R)
• M32: 66,846,761 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 5.5

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 14.75 AU - 16.67 AU

Year: 23712 Days

Day: 16.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 101,521,528 km

• M1: 68,366 km (0.03 R)
• M2: 258,804 km (0.117 R)
• M3: 509,979 km (0.065 R)
• M4: 1,542,354 km (0.11 R)
• M5: 2,347,490 km (0.095 R)
• M6: 2,805,110 km (0.067 R)
• M7: 3,402,753 km (0.066 R)
• M8: 3,866,058 km (0.08 R)
• M9: 4,672,689 km (0.072 R)
• M10: 5,782,406 km (0.12 R)
• M11: 6,398,600 km (0.119 R)
• M12: 6,570,039 km (0.091 R)
• M13: 8,004,982 km (0.045 R)
• M14: 8,204,246 km (0.079 R)
• M15: 8,406,652 km (0.09 R)
• M16: 10,739,930 km (0.108 R)
• M17: 14,624,538 km (0.045 R)
• M18: 15,530,952 km (0.076 R)
• M19: 16,634,984 km (0.111 R)
• M20: 18,301,504 km (0.107 R)
• M21: 20,444,494 km (0.067 R)
• M22: 27,753,247 km (0.034 R)
• M23: 28,672,227 km (0.046 R)
• M24: 35,814,628 km (0.097 R)
• M25: 36,629,039 km (0.105 R)
• M26: 39,432,952 km (0.1 R)
• M27: 44,366,839 km (0.099 R)
• M28: 45,621,965 km (0.094 R)
• M29: 48,202,977 km (0.041 R)
• M30: 52,950,914 km (0.066 R)
• M31: 62,382,611 km (0.118 R)
• M32: 65,154,660 km (0.089 R)
• M33: 66,367,450 km (0.079 R)
• M34: 69,674,909 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.5

Radius: 3.5

Gravity: 71.88 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 15.06 AU - 19.36 AU

Year: 27187 Days

Day: 19 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 101,521,528 km

• M1: 43,832 km (0.067 R)
• M2: 406,906 km (0.046 R)
• M3: 843,283 km (0.049 R)
• M4: 996,771 km (0.098 R)
• M5: 1,847,833 km (0.109 R)
• M6: 4,031,962 km (0.104 R)
• M7: 4,897,385 km (0.104 R)
• M8: 6,538,175 km (0.097 R)
• M9: 6,685,379 km (0.099 R)
• M10: 7,296,487 km (0.079 R)
• M11: 9,539,557 km (0.09 R)
• M12: 10,115,509 km (0.096 R)
• M13: 10,445,372 km (0.084 R)
• M14: 10,987,964 km (0.091 R)
• M15: 11,477,897 km (0.091 R)
• M16: 12,576,693 km (0.033 R)
• M17: 13,268,583 km (0.113 R)
• M18: 14,148,069 km (0.107 R)
• M19: 15,670,227 km (0.077 R)
• M20: 18,249,295 km (0.092 R)
• M21: 18,737,732 km (0.085 R)
• M22: 18,935,650 km (0.12 R)
• M23: 29,886,214 km (0.059 R)
• M24: 32,375,672 km (0.049 R)
• M25: 33,525,182 km (0.089 R)
• M26: 36,517,289 km (0.035 R)
• M27: 42,004,090 km (0.106 R)
• M28: 42,513,022 km (0.093 R)
• M29: 43,716,537 km (0.118 R)
• M30: 52,390,969 km (0.111 R)
• M31: 55,383,376 km (0.06 R)
• M32: 60,620,648 km (0.11 R)
• M33: 64,139,937 km (0.039 R)
• M34: 65,040,517 km (0.103 R)
• M35: 68,259,264 km (0.113 R)
• M36: 71,823,733 km (0.104 R)
• M37: 81,405,028 km (0.034 R)
• M38: 86,499,882 km (0.059 R)
• M39: 90,387,033 km (0.055 R)
• M40: 95,261,680 km (0.03 R)
• M41: 96,139,820 km (0.087 R)
• M42: 100,308,663 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit