🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.61 AU - 0.69 AU

Year: 183 Days

Day: 43.4 Hours

Environment

Temp: 185 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.97 AU - 2.65 AU

Year: 1228 Days

Day: 32.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,080,729 km

• M1: 26,628 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 9.9

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.39 AU - 6.01 AU

Year: 4761 Days

Day: 5.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,080,729 km

• M1: 123,717 km (0.04 R)
• M2: 542,143 km (0.052 R)
• M3: 896,091 km (0.12 R)
• M4: 1,214,884 km (0.085 R)
• M5: 2,376,811 km (0.054 R)
• M6: 2,814,684 km (0.066 R)
• M7: 3,993,814 km (0.105 R)
• M8: 5,300,851 km (0.059 R)
• M9: 5,804,397 km (0.097 R)
• M10: 6,804,908 km (0.116 R)
• M11: 8,938,622 km (0.068 R)
• M12: 9,914,150 km (0.05 R)
• M13: 12,532,861 km (0.093 R)
• M14: 12,896,384 km (0.086 R)
• M15: 13,266,788 km (0.085 R)
• M16: 14,140,290 km (0.104 R)
• M17: 14,705,471 km (0.108 R)
• M18: 19,435,456 km (0.114 R)
• M19: 20,204,988 km (0.066 R)
• M20: 21,434,233 km (0.099 R)
• M21: 25,255,561 km (0.036 R)
• M22: 25,586,173 km (0.099 R)
• M23: 29,417,075 km (0.083 R)
• M24: 30,152,498 km (0.035 R)
• M25: 31,468,810 km (0.095 R)
• M26: 31,948,121 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.6

Radius: 10.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.09 AU - 7.65 AU

Year: 6300 Days

Day: 11.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,080,729 km

• M1: 149,448 km (0.075 R)
• M2: 771,327 km (0.072 R)
• M3: 1,192,445 km (0.034 R)
• M4: 1,590,525 km (0.054 R)
• M5: 2,061,309 km (0.116 R)
• M6: 2,623,498 km (0.108 R)
• M7: 3,439,105 km (0.104 R)
• M8: 3,955,218 km (0.12 R)
• M9: 4,549,271 km (0.083 R)
• M10: 5,980,923 km (0.12 R)
• M11: 8,618,333 km (0.03 R)
• M12: 9,000,556 km (0.06 R)
• M13: 10,075,117 km (0.104 R)
• M14: 10,984,972 km (0.101 R)
• M15: 12,158,417 km (0.045 R)
• M16: 13,189,296 km (0.119 R)
• M17: 16,307,813 km (0.102 R)
• M18: 16,696,768 km (0.116 R)
• M19: 17,493,077 km (0.051 R)
• M20: 18,734,740 km (0.099 R)
• M21: 20,108,198 km (0.083 R)
• M22: 21,547,629 km (0.043 R)
• M23: 22,095,007 km (0.098 R)
• M24: 22,411,855 km (0.056 R)
• M25: 23,135,909 km (0.107 R)
• M26: 26,812,127 km (0.054 R)
• M27: 28,835,887 km (0.076 R)
• M28: 29,309,664 km (0.043 R)
• M29: 31,058,313 km (0.058 R)
• M30: 31,656,256 km (0.117 R)
• M31: 34,762,356 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.3

Radius: 6.2

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 13.31 AU - 14.83 AU

Year: 18464 Days

Day: 21.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,080,729 km

• M1: 77,193 km (0.109 R)
• M2: 296,653 km (0.111 R)
• M3: 854,353 km (0.086 R)
• M4: 1,060,051 km (0.083 R)
• M5: 1,357,301 km (0.103 R)
• M6: 1,906,924 km (0.073 R)
• M7: 2,160,492 km (0.119 R)
• M8: 2,932,118 km (0.059 R)
• M9: 3,464,537 km (0.093 R)
• M10: 3,813,699 km (0.056 R)
• M11: 6,127,379 km (0.091 R)
• M12: 6,638,406 km (0.07 R)
• M13: 7,410,480 km (0.077 R)
• M14: 9,186,057 km (0.043 R)
• M15: 11,732,961 km (0.117 R)
• M16: 12,253,861 km (0.093 R)
• M17: 14,271,637 km (0.116 R)
• M18: 14,566,345 km (0.096 R)
• M19: 15,244,322 km (0.111 R)
• M20: 15,707,776 km (0.088 R)
• M21: 17,825,484 km (0.076 R)
• M22: 20,590,202 km (0.105 R)
• M23: 24,040,827 km (0.08 R)
• M24: 29,136,579 km (0.117 R)
• M25: 30,575,262 km (0.079 R)
• M26: 33,853,849 km (0.086 R)
• M27: 39,923,034 km (0.105 R)
• M28: 43,674,949 km (0.096 R)
• M29: 44,452,558 km (0.073 R)
• M30: 45,875,384 km (0.093 R)
• M31: 47,819,408 km (0.048 R)
• M32: 52,218,633 km (0.058 R)
• M33: 54,158,319 km (0.087 R)
• M34: 57,064,557 km (0.12 R)
• M35: 57,993,709 km (0.07 R)
• M36: 63,980,616 km (0.113 R)
• M37: 67,846,374 km (0.095 R)
• M38: 69,308,993 km (0.053 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 12,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit