🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.51 AU - 0.55 AU

Year: 245 Days

Day: 42.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 11.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.77 AU - 0.93 AU

Year: 498 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,209,931 km

• M1: 151,243 km (0.084 R)
• M2: 528,529 km (0.08 R)
• M3: 967,300 km (0.057 R)
• M4: 1,515,576 km (0.098 R)
• M5: 1,970,952 km (0.069 R)
• M6: 2,413,911 km (0.053 R)
• M7: 3,340,820 km (0.084 R)
• M8: 3,705,838 km (0.115 R)
• M9: 4,399,673 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.7

Radius: 14.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.98 AU - 1.56 AU

Year: 910 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,209,931 km

• M1: 179,517 km (0.067 R)
• M2: 656,884 km (0.092 R)
• M3: 1,471,145 km (0.092 R)
• M4: 2,028,098 km (0.085 R)
• M5: 3,387,494 km (0.083 R)
• M6: 4,280,743 km (0.111 R)
• M7: 4,878,536 km (0.04 R)
• M8: 5,939,185 km (0.071 R)
• M9: 6,492,996 km (0.091 R)
• M10: 7,469,571 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.3

Radius: 12.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.66 AU - 1.74 AU

Year: 1409 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,209,931 km

• M1: 153,039 km (0.096 R)
• M2: 622,926 km (0.038 R)
• M3: 1,108,969 km (0.063 R)
• M4: 1,788,891 km (0.108 R)
• M5: 2,296,477 km (0.119 R)
• M6: 2,815,133 km (0.069 R)
• M7: 3,223,984 km (0.088 R)
• M8: 4,145,058 km (0.054 R)
• M9: 4,898,881 km (0.072 R)
• M10: 5,298,308 km (0.097 R)
• M11: 5,788,091 km (0.105 R)
• M12: 6,259,325 km (0.1 R)
• M13: 8,028,469 km (0.117 R)
• M14: 10,278,571 km (0.113 R)
• M15: 11,257,838 km (0.075 R)
• M16: 11,696,160 km (0.101 R)
• M17: 12,607,061 km (0.098 R)
• M18: 13,482,957 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 8.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.82 AU - 2.84 AU

Year: 3027 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,209,931 km

• M1: 111,750 km (0.118 R)
• M2: 460,911 km (0.103 R)
• M3: 1,146,069 km (0.071 R)
• M4: 1,792,182 km (0.107 R)
• M5: 2,247,558 km (0.108 R)
• M6: 2,537,329 km (0.101 R)
• M7: 4,225,242 km (0.082 R)
• M8: 4,504,841 km (0.114 R)
• M9: 7,905,350 km (0.106 R)
• M10: 11,294,340 km (0.116 R)
• M11: 12,720,457 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 12.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.24 AU - 5.82 AU

Year: 7173 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,209,931 km

• M1: 152,440 km (0.118 R)
• M2: 773,571 km (0.097 R)
• M3: 2,271,344 km (0.067 R)
• M4: 4,441,411 km (0.105 R)
• M5: 5,481,416 km (0.096 R)
• M6: 6,073,075 km (0.108 R)
• M7: 6,887,486 km (0.069 R)
• M8: 8,039,838 km (0.1 R)
• M9: 9,656,094 km (0.11 R)
• M10: 10,160,987 km (0.109 R)
• M11: 11,522,327 km (0.117 R)
• M12: 15,796,488 km (0.066 R)
• M13: 19,211,359 km (0.12 R)
• M14: 20,324,965 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.7

Radius: 4.2

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.88 AU - 7 AU

Year: 11624 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,209,931 km

• M1: 54,753 km (0.052 R)
• M2: 304,731 km (0.102 R)
• M3: 487,390 km (0.073 R)
• M4: 619,036 km (0.079 R)
• M5: 809,324 km (0.109 R)
• M6: 8,105,213 km (0.116 R)
• M7: 9,670,006 km (0.095 R)
• M8: 10,598,560 km (0.109 R)
• M9: 11,110,335 km (0.112 R)
• M10: 13,798,758 km (0.068 R)
• M11: 14,162,580 km (0.116 R)
• M12: 18,670,712 km (0.088 R)
• M13: 24,311,898 km (0.082 R)
• M14: 29,567,720 km (0.037 R)
• M15: 31,824,105 km (0.083 R)
• M16: 38,915,193 km (0.092 R)
• M17: 42,378,683 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586

Radius: 3.1

Gravity: 60.98 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.49 AU - 10.33 AU

Year: 18353 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,209,931 km

• M1: 62,981 km (0.056 R)
• M2: 592,108 km (0.091 R)
• M3: 1,879,248 km (0.075 R)
• M4: 2,335,821 km (0.103 R)
• M5: 2,789,551 km (0.094 R)
• M6: 3,245,675 km (0.099 R)
• M7: 3,547,863 km (0.106 R)
• M8: 3,808,911 km (0.049 R)
• M9: 4,304,080 km (0.099 R)
• M10: 4,910,999 km (0.117 R)
• M11: 5,346,030 km (0.102 R)
• M12: 7,252,654 km (0.036 R)
• M13: 9,513,826 km (0.113 R)
• M14: 10,713,601 km (0.118 R)
• M15: 11,504,675 km (0.078 R)
• M16: 11,629,888 km (0.114 R)
• M17: 12,074,792 km (0.069 R)
• M18: 17,247,438 km (0.101 R)
• M19: 17,659,131 km (0.118 R)
• M20: 18,077,407 km (0.113 R)
• M21: 18,760,171 km (0.088 R)
• M22: 23,925,935 km (0.102 R)
• M23: 31,039,913 km (0.117 R)
• M24: 33,015,502 km (0.105 R)
• M25: 33,268,173 km (0.111 R)
• M26: 33,649,647 km (0.112 R)
• M27: 42,947,155 km (0.089 R)
• M28: 43,702,624 km (0.096 R)
• M29: 47,773,930 km (0.114 R)
• M30: 48,259,376 km (0.078 R)
• M31: 48,911,772 km (0.089 R)
• M32: 55,049,772 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 18,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit