🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.58 AU - 0.78 AU

Year: 205 Days

Day: 41.8 Hours

Environment

Temp: 205 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,362,050 km

• M1: 27,526 km (0.032 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.88 AU - 1.08 AU

Year: 354 Days

Day: 26.2 Hours

Environment

Temp: 18 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,362,050 km

• M1: 39,494 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.81 AU - 2.41 AU

Year: 1119 Days

Day: 30.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,362,050 km

• M1: 247,136 km (0.073 R)

Asteroid Belt

Center: 5.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421

Radius: 13.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.63 AU - 10.87 AU

Year: 9454 Days

Day: 12.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,362,050 km

• M1: 168,447 km (0.105 R)
• M2: 681,717 km (0.117 R)
• M3: 1,298,809 km (0.115 R)
• M4: 1,731,446 km (0.092 R)
• M5: 2,346,742 km (0.115 R)
• M6: 4,410,145 km (0.097 R)
• M7: 4,880,032 km (0.076 R)
• M8: 5,444,914 km (0.086 R)
• M9: 5,954,294 km (0.118 R)
• M10: 7,330,744 km (0.039 R)
• M11: 8,033,406 km (0.111 R)
• M12: 10,270,941 km (0.032 R)
• M13: 14,455,343 km (0.044 R)
• M14: 15,001,674 km (0.108 R)
• M15: 21,172,287 km (0.092 R)
• M16: 22,036,365 km (0.101 R)
• M17: 23,418,051 km (0.057 R)
• M18: 26,804,946 km (0.071 R)
• M19: 27,630,577 km (0.106 R)
• M20: 28,473,112 km (0.057 R)
• M21: 28,948,534 km (0.117 R)
• M22: 30,406,814 km (0.109 R)
• M23: 31,304,850 km (0.065 R)
• M24: 32,118,064 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 9.9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.18 AU - 11.88 AU

Year: 11602 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,362,050 km

• M1: 123,119 km (0.092 R)
• M2: 450,888 km (0.043 R)
• M3: 1,368,372 km (0.109 R)
• M4: 1,696,141 km (0.055 R)
• M5: 2,259,825 km (0.059 R)
• M6: 2,990,013 km (0.049 R)
• M7: 3,422,949 km (0.102 R)
• M8: 4,179,765 km (0.027 R)
• M9: 4,785,785 km (0.12 R)
• M10: 6,756,887 km (0.12 R)
• M11: 8,034,902 km (0.117 R)
• M12: 8,972,132 km (0.102 R)
• M13: 12,645,957 km (0.05 R)
• M14: 13,587,825 km (0.084 R)
• M15: 15,122,101 km (0.113 R)
• M16: 18,452,449 km (0.094 R)
• M17: 23,334,725 km (0.096 R)
• M18: 23,893,922 km (0.067 R)
• M19: 24,462,094 km (0.074 R)
• M20: 27,749,807 km (0.098 R)
• M21: 35,308,837 km (0.08 R)
• M22: 35,676,250 km (0.107 R)
• M23: 37,045,220 km (0.05 R)
• M24: 42,871,907 km (0.069 R)
• M25: 45,277,740 km (0.102 R)
• M26: 48,071,630 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.5

Radius: 7.5

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 16.87 AU - 17.77 AU

Year: 26328 Days

Day: 17 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 78,362,050 km

• M1: 94,546 km (0.085 R)
• M2: 593,904 km (0.094 R)
• M3: 1,054,216 km (0.063 R)
• M4: 1,446,611 km (0.071 R)
• M5: 1,913,058 km (0.116 R)
• M6: 2,148,225 km (0.119 R)
• M7: 2,402,991 km (0.115 R)
• M8: 3,631,488 km (0.066 R)
• M9: 4,168,096 km (0.104 R)
• M10: 6,660,097 km (0.036 R)
• M11: 8,904,065 km (0.088 R)
• M12: 9,201,017 km (0.066 R)
• M13: 9,627,969 km (0.101 R)
• M14: 11,329,944 km (0.091 R)
• M15: 13,610,265 km (0.083 R)
• M16: 13,846,031 km (0.075 R)
• M17: 14,325,791 km (0.094 R)
• M18: 15,488,167 km (0.09 R)
• M19: 17,905,369 km (0.107 R)
• M20: 18,379,146 km (0.118 R)
• M21: 23,585,899 km (0.091 R)
• M22: 27,139,747 km (0.089 R)
• M23: 32,833,142 km (0.088 R)
• M24: 33,542,835 km (0.045 R)
• M25: 40,396,511 km (0.108 R)
• M26: 41,047,412 km (0.116 R)
• M27: 42,203,354 km (0.103 R)
• M28: 46,686,952 km (0.115 R)
• M29: 49,412,775 km (0.066 R)
• M30: 50,909,053 km (0.104 R)
• M31: 52,435,400 km (0.047 R)
• M32: 54,583,476 km (0.086 R)
• M33: 58,638,177 km (0.099 R)
• M34: 61,378,810 km (0.083 R)
• M35: 72,955,590 km (0.079 R)
• M36: 74,649,936 km (0.098 R)
• M37: 82,209,415 km (0.057 R)
• M38: 82,469,865 km (0.08 R)
• M39: 82,730,764 km (0.077 R)
• M40: 91,096,427 km (0.04 R)
• M41: 94,195,346 km (0.099 R)
• M42: 94,480,480 km (0.104 R)
• M43: 95,052,542 km (0.108 R)
• M44: 95,914,974 km (0.101 R)
• M45: 96,782,642 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.9

Radius: 4.8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 17.21 AU - 22.35 AU

Year: 32131 Days

Day: 18.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,362,050 km

• M1: 61,036 km (0.099 R)
• M2: 374,443 km (0.073 R)
• M3: 613,950 km (0.115 R)
• M4: 987,795 km (0.074 R)
• M5: 1,327,681 km (0.079 R)
• M6: 3,359,669 km (0.059 R)
• M7: 5,108,767 km (0.115 R)
• M8: 7,242,631 km (0.047 R)
• M9: 9,103,778 km (0.066 R)
• M10: 10,264,359 km (0.049 R)
• M11: 11,585,607 km (0.106 R)
• M12: 12,117,577 km (0.108 R)
• M13: 13,958,678 km (0.096 R)
• M14: 14,560,810 km (0.108 R)
• M15: 20,490,121 km (0.092 R)
• M16: 21,071,010 km (0.111 R)
• M17: 23,086,841 km (0.102 R)
• M18: 23,610,134 km (0.094 R)
• M19: 25,670,995 km (0.073 R)
• M20: 30,146,664 km (0.105 R)
• M21: 30,646,021 km (0.094 R)
• M22: 34,568,478 km (0.069 R)
• M23: 46,802,143 km (0.076 R)
• M24: 51,267,190 km (0.098 R)
• M25: 53,968,180 km (0.103 R)
• M26: 54,335,293 km (0.069 R)
• M27: 55,820,501 km (0.115 R)
• M28: 57,714,859 km (0.084 R)
• M29: 59,847,675 km (0.088 R)
• M30: 62,032,403 km (0.108 R)
• M31: 77,426,173 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit