🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.44 AU - 0.66 AU

Year: 142 Days

Day: 29.2 Hours

Environment

Temp: 210 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.68 AU - 0.98 AU

Year: 263 Days

Day: 43.9 Hours

Environment

Temp: 157 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.26 AU - 2.7 AU

Year: 1360 Days

Day: 22.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 57.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,342,720 km

• M1: 267,930 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.93 AU - 2.95 AU

Year: 1756 Days

Day: 16.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,342,720 km

• M1: 645,066 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.3

Radius: 13.2

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.97 AU - 7.41 AU

Year: 6026 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 128.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,342,720 km

• M1: 174,880 km (0.096 R)
• M2: 768,783 km (0.118 R)
• M3: 1,993,840 km (0.05 R)
• M4: 4,721,458 km (0.112 R)
• M5: 6,415,654 km (0.08 R)
• M6: 7,249,662 km (0.108 R)
• M7: 9,773,977 km (0.079 R)
• M8: 13,134,095 km (0.066 R)
• M9: 14,801,213 km (0.098 R)
• M10: 19,975,804 km (0.061 R)
• M11: 21,680,920 km (0.086 R)
• M12: 24,002,530 km (0.06 R)
• M13: 26,166,014 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 13.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.91 AU - 8.07 AU

Year: 7139 Days

Day: 13 Hours

Environment

Temp: -147 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,342,720 km

• M1: 165,455 km (0.116 R)
• M2: 761,902 km (0.053 R)
• M3: 1,258,716 km (0.104 R)
• M4: 1,843,046 km (0.069 R)
• M5: 2,572,485 km (0.109 R)
• M6: 3,673,525 km (0.115 R)
• M7: 4,157,175 km (0.091 R)
• M8: 5,120,436 km (0.027 R)
• M9: 7,182,942 km (0.109 R)
• M10: 7,908,342 km (0.115 R)
• M11: 9,185,908 km (0.115 R)
• M12: 9,874,357 km (0.114 R)
• M13: 11,354,478 km (0.066 R)
• M14: 12,977,914 km (0.12 R)
• M15: 16,212,520 km (0.091 R)
• M16: 16,681,060 km (0.089 R)
• M17: 17,400,776 km (0.091 R)
• M18: 18,582,599 km (0.082 R)
• M19: 20,016,943 km (0.082 R)
• M20: 21,036,602 km (0.102 R)
• M21: 22,449,554 km (0.099 R)
• M22: 24,379,815 km (0.113 R)
• M23: 25,307,023 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 11.5

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.6 AU - 9.78 AU

Year: 8921 Days

Day: 8.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,342,720 km

• M1: 144,212 km (0.036 R)
• M2: 769,831 km (0.1 R)
• M3: 1,235,379 km (0.095 R)
• M4: 2,118,306 km (0.066 R)
• M5: 2,843,108 km (0.113 R)
• M6: 3,575,988 km (0.117 R)
• M7: 4,316,946 km (0.099 R)
• M8: 4,724,301 km (0.042 R)
• M9: 5,482,912 km (0.047 R)
• M10: 7,651,781 km (0.116 R)
• M11: 8,076,789 km (0.063 R)
• M12: 9,495,276 km (0.049 R)
• M13: 13,058,249 km (0.117 R)
• M14: 13,914,996 km (0.088 R)
• M15: 15,070,938 km (0.106 R)
• M16: 16,289,862 km (0.12 R)
• M17: 19,623,650 km (0.059 R)
• M18: 20,341,122 km (0.03 R)
• M19: 23,387,234 km (0.1 R)
• M20: 25,579,291 km (0.076 R)
• M21: 26,725,211 km (0.11 R)
• M22: 33,534,008 km (0.117 R)
• M23: 36,913,424 km (0.116 R)
• M24: 42,332,457 km (0.054 R)
• M25: 43,664,776 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.9

Radius: 3.2

Gravity: 89.05 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12.17 AU - 18.75 AU

Year: 21169 Days

Day: 19.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,342,720 km

• M1: 40,242 km (0.115 R)
• M2: 369,656 km (0.108 R)
• M3: 489,783 km (0.084 R)
• M4: 645,216 km (0.101 R)
• M5: 977,772 km (0.092 R)
• M6: 1,097,001 km (0.105 R)
• M7: 1,656,796 km (0.033 R)
• M8: 2,158,996 km (0.105 R)
• M9: 2,270,596 km (0.097 R)
• M10: 2,653,567 km (0.091 R)
• M11: 2,755,742 km (0.09 R)
• M12: 3,078,126 km (0.099 R)
• M13: 3,608,001 km (0.113 R)
• M14: 4,196,220 km (0.071 R)
• M15: 7,543,173 km (0.102 R)
• M16: 8,608,609 km (0.106 R)
• M17: 10,388,525 km (0.1 R)
• M18: 12,976,419 km (0.114 R)
• M19: 16,645,605 km (0.102 R)
• M20: 19,666,286 km (0.057 R)
• M21: 20,153,676 km (0.08 R)
• M22: 21,561,242 km (0.087 R)
• M23: 21,664,165 km (0.09 R)
• M24: 22,499,819 km (0.027 R)
• M25: 25,021,590 km (0.095 R)
• M26: 25,941,168 km (0.108 R)
• M27: 28,461,444 km (0.095 R)
• M28: 28,585,460 km (0.04 R)
• M29: 29,589,860 km (0.117 R)
• M30: 30,878,197 km (0.101 R)
• M31: 31,009,095 km (0.084 R)
• M32: 32,203,485 km (0.071 R)
• M33: 38,486,296 km (0.073 R)
• M34: 39,401,686 km (0.102 R)
• M35: 49,010,058 km (0.105 R)
• M36: 55,116,942 km (0.038 R)
• M37: 57,260,081 km (0.095 R)
• M38: 65,305,305 km (0.081 R)
• M39: 74,541,029 km (0.03 R)
• M40: 75,012,412 km (0.12 R)
• M41: 78,125,992 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.9

Radius: 4.9

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 16.01 AU - 25.53 AU

Year: 32965 Days

Day: 15.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,342,720 km

• M1: 60,886 km (0.112 R)
• M2: 227,239 km (0.119 R)
• M3: 515,664 km (0.1 R)
• M4: 795,113 km (0.108 R)
• M5: 1,198,578 km (0.115 R)
• M6: 1,691,802 km (0.07 R)
• M7: 2,223,024 km (0.044 R)
• M8: 2,445,776 km (0.093 R)
• M9: 3,548,312 km (0.084 R)
• M10: 6,364,342 km (0.114 R)
• M11: 7,141,952 km (0.087 R)
• M12: 8,239,851 km (0.069 R)
• M13: 9,218,071 km (0.086 R)
• M14: 10,577,766 km (0.1 R)
• M15: 12,754,116 km (0.035 R)
• M16: 13,909,610 km (0.103 R)
• M17: 15,290,997 km (0.065 R)
• M18: 22,854,067 km (0.068 R)
• M19: 24,770,415 km (0.116 R)
• M20: 31,412,710 km (0.112 R)
• M21: 32,318,226 km (0.036 R)
• M22: 39,596,911 km (0.034 R)
• M23: 46,716,722 km (0.102 R)
• M24: 67,180,215 km (0.083 R)
• M25: 77,455,195 km (0.087 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 16,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit