🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.69 AU - 1.75 AU

Year: 837 Days

Day: 14.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.9 AU - 2.96 AU

Year: 1405 Days

Day: 45.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,774,479 km

• M1: 148,700 km (0.075 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.6

Radius: 13.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.7 AU - 8.48 AU

Year: 7001 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,774,479 km

• M1: 166,652 km (0.077 R)
• M2: 3,482,190 km (0.068 R)
• M3: 4,730,733 km (0.102 R)
• M4: 6,063,501 km (0.119 R)
• M5: 6,661,892 km (0.115 R)
• M6: 7,226,624 km (0.112 R)
• M7: 8,412,038 km (0.109 R)
• M8: 11,761,983 km (0.089 R)
• M9: 14,532,685 km (0.095 R)
• M10: 16,226,133 km (0.091 R)
• M11: 18,455,291 km (0.026 R)
• M12: 20,585,565 km (0.114 R)
• M13: 24,410,333 km (0.084 R)
• M14: 26,099,443 km (0.082 R)
• M15: 26,884,383 km (0.051 R)
• M16: 27,595,272 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 12.5

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.59 AU - 9.83 AU

Year: 10366 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,774,479 km

• M1: 155,881 km (0.094 R)
• M2: 661,223 km (0.05 R)
• M3: 1,495,979 km (0.106 R)
• M4: 2,068,340 km (0.112 R)
• M5: 3,658,865 km (0.1 R)
• M6: 4,310,962 km (0.111 R)
• M7: 5,257,468 km (0.119 R)
• M8: 6,779,327 km (0.118 R)
• M9: 7,520,435 km (0.072 R)
• M10: 8,185,846 km (0.093 R)
• M11: 9,491,835 km (0.117 R)
• M12: 10,369,526 km (0.097 R)
• M13: 11,036,583 km (0.092 R)
• M14: 13,151,598 km (0.072 R)
• M15: 15,789,756 km (0.053 R)
• M16: 17,303,836 km (0.081 R)
• M17: 19,215,846 km (0.108 R)
• M18: 21,757,514 km (0.038 R)
• M19: 22,342,143 km (0.115 R)
• M20: 24,070,148 km (0.105 R)
• M21: 25,607,715 km (0.11 R)
• M22: 30,301,797 km (0.1 R)
• M23: 34,515,071 km (0.104 R)
• M24: 36,468,221 km (0.081 R)
• M25: 40,217,742 km (0.051 R)
• M26: 41,735,712 km (0.107 R)
• M27: 43,951,106 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.1

Radius: 9.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.11 AU - 10.31 AU

Year: 12099 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,774,479 km

• M1: 122,221 km (0.077 R)
• M2: 438,471 km (0.068 R)
• M3: 955,930 km (0.064 R)
• M4: 1,556,117 km (0.103 R)
• M5: 2,118,156 km (0.099 R)
• M6: 2,603,452 km (0.049 R)
• M7: 3,863,963 km (0.101 R)
• M8: 5,001,655 km (0.055 R)
• M9: 5,662,579 km (0.107 R)
• M10: 6,134,709 km (0.04 R)
• M11: 8,440,761 km (0.072 R)
• M12: 11,595,331 km (0.096 R)
• M13: 12,652,390 km (0.092 R)
• M14: 13,772,279 km (0.034 R)
• M15: 14,142,235 km (0.108 R)
• M16: 14,957,094 km (0.107 R)
• M17: 16,621,071 km (0.086 R)
• M18: 18,214,738 km (0.104 R)
• M19: 20,312,997 km (0.112 R)
• M20: 24,058,479 km (0.1 R)
• M21: 25,534,561 km (0.073 R)
• M22: 27,902,845 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 14.5

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.37 AU - 10.49 AU

Year: 12492 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,774,479 km

• M1: 180,265 km (0.096 R)
• M2: 1,176,438 km (0.077 R)
• M3: 1,841,101 km (0.099 R)
• M4: 3,220,693 km (0.112 R)
• M5: 4,513,218 km (0.099 R)
• M6: 5,036,661 km (0.07 R)
• M7: 5,491,588 km (0.112 R)
• M8: 8,779,001 km (0.088 R)
• M9: 14,279,266 km (0.072 R)
• M10: 17,464,803 km (0.083 R)
• M11: 19,777,437 km (0.091 R)
• M12: 20,298,486 km (0.078 R)
• M13: 22,663,030 km (0.117 R)
• M14: 24,603,015 km (0.106 R)
• M15: 31,202,376 km (0.086 R)
• M16: 31,790,595 km (0.072 R)
• M17: 33,969,936 km (0.032 R)
• M18: 35,096,109 km (0.117 R)
• M19: 36,636,369 km (0.11 R)
• M20: 39,030,533 km (0.098 R)
• M21: 48,075,819 km (0.113 R)
• M22: 56,490,849 km (0.06 R)
• M23: 57,189,620 km (0.102 R)
• M24: 58,961,757 km (0.11 R)
• M25: 59,680,724 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.2

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.73 AU - 11.77 AU

Year: 13071 Days

Day: 6.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,774,479 km

• M1: 187,147 km (0.091 R)
• M2: 712,086 km (0.096 R)
• M3: 1,564,195 km (0.085 R)
• M4: 2,129,226 km (0.053 R)
• M5: 3,170,876 km (0.119 R)
• M6: 4,280,294 km (0.062 R)
• M7: 5,504,304 km (0.062 R)
• M8: 6,180,935 km (0.083 R)
• M9: 7,339,421 km (0.076 R)
• M10: 8,118,377 km (0.075 R)
• M11: 9,180,522 km (0.115 R)
• M12: 10,036,521 km (0.097 R)
• M13: 11,798,485 km (0.105 R)
• M14: 13,161,022 km (0.056 R)
• M15: 21,918,182 km (0.101 R)
• M16: 22,674,250 km (0.09 R)
• M17: 24,149,883 km (0.117 R)
• M18: 24,775,651 km (0.08 R)
• M19: 26,813,474 km (0.108 R)
• M20: 34,601,539 km (0.095 R)
• M21: 35,282,957 km (0.092 R)
• M22: 40,431,817 km (0.115 R)
• M23: 41,314,893 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.9

Radius: 7.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 15.98 AU - 19.06 AU

Year: 27196 Days

Day: 19.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,774,479 km

• M1: 107,112 km (0.093 R)
• M2: 359,484 km (0.061 R)
• M3: 1,169,706 km (0.108 R)
• M4: 1,459,028 km (0.082 R)
• M5: 1,930,860 km (0.101 R)
• M6: 3,201,095 km (0.045 R)
• M7: 4,142,215 km (0.105 R)
• M8: 4,566,176 km (0.08 R)
• M9: 4,853,853 km (0.071 R)
• M10: 5,153,497 km (0.08 R)
• M11: 5,716,733 km (0.06 R)
• M12: 6,051,234 km (0.113 R)
• M13: 7,133,874 km (0.115 R)
• M14: 7,698,755 km (0.072 R)
• M15: 10,098,754 km (0.1 R)
• M16: 11,093,281 km (0.12 R)
• M17: 11,614,479 km (0.096 R)
• M18: 13,929,507 km (0.034 R)
• M19: 16,092,542 km (0.114 R)
• M20: 19,868,542 km (0.066 R)
• M21: 21,870,910 km (0.061 R)
• M22: 23,434,806 km (0.096 R)
• M23: 27,510,749 km (0.062 R)
• M24: 30,326,480 km (0.087 R)
• M25: 31,919,548 km (0.071 R)
• M26: 34,412,447 km (0.1 R)
• M27: 38,983,111 km (0.1 R)
• M28: 39,381,340 km (0.081 R)
• M29: 43,371,714 km (0.114 R)
• M30: 47,171,350 km (0.07 R)
• M31: 51,345,879 km (0.095 R)
• M32: 52,628,531 km (0.086 R)
• M33: 54,426,997 km (0.082 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 15,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit