🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 12

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.08 AU - 1.24 AU

Year: 862 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,214,996 km

• M1: 150,944 km (0.1 R)
• M2: 544,087 km (0.078 R)
• M3: 1,091,167 km (0.103 R)
• M4: 1,986,510 km (0.082 R)
• M5: 2,381,748 km (0.074 R)
• M6: 2,966,675 km (0.059 R)
• M7: 3,389,888 km (0.095 R)
• M8: 4,611,803 km (0.059 R)
• M9: 4,999,561 km (0.074 R)
• M10: 5,881,889 km (0.075 R)
• M11: 6,403,387 km (0.118 R)
• M12: 8,939,071 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 11.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.73 AU - 2.23 AU

Year: 1923 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,214,996 km

• M1: 139,425 km (0.083 R)
• M2: 499,806 km (0.08 R)
• M3: 967,749 km (0.105 R)
• M4: 1,494,932 km (0.03 R)
• M5: 1,930,112 km (0.106 R)
• M6: 2,475,097 km (0.08 R)
• M7: 4,361,077 km (0.055 R)
• M8: 5,051,471 km (0.093 R)
• M9: 5,813,523 km (0.103 R)
• M10: 7,032,895 km (0.1 R)
• M11: 7,675,418 km (0.052 R)
• M12: 8,096,686 km (0.115 R)
• M13: 8,592,752 km (0.052 R)
• M14: 11,420,152 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 12.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.1 AU - 2.22 AU

Year: 2191 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,214,996 km

• M1: 157,975 km (0.052 R)
• M2: 558,598 km (0.115 R)
• M3: 1,134,700 km (0.066 R)
• M4: 1,714,092 km (0.103 R)
• M5: 2,594,625 km (0.043 R)
• M6: 3,757,001 km (0.105 R)
• M7: 5,129,113 km (0.089 R)
• M8: 5,748,897 km (0.101 R)
• M9: 8,304,926 km (0.088 R)
• M10: 8,805,480 km (0.059 R)
• M11: 9,560,351 km (0.083 R)
• M12: 12,165,149 km (0.099 R)
• M13: 12,566,670 km (0.072 R)
• M14: 13,524,096 km (0.055 R)
• M15: 14,440,084 km (0.055 R)
• M16: 15,073,332 km (0.094 R)
• M17: 15,490,261 km (0.117 R)
• M18: 16,057,985 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.3

Radius: 10.1

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.61 AU - 5.77 AU

Year: 7011 Days

Day: 10.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,214,996 km

• M1: 125,812 km (0.112 R)
• M2: 445,353 km (0.047 R)
• M3: 870,809 km (0.116 R)
• M4: 1,269,637 km (0.036 R)
• M5: 1,700,479 km (0.097 R)
• M6: 2,305,004 km (0.107 R)
• M7: 5,876,354 km (0.106 R)
• M8: 6,429,567 km (0.053 R)
• M9: 8,075,742 km (0.056 R)
• M10: 8,682,062 km (0.091 R)
• M11: 10,419,043 km (0.111 R)
• M12: 15,351,733 km (0.111 R)
• M13: 16,046,316 km (0.087 R)
• M14: 21,940,622 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 6.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.82 AU - 6.66 AU

Year: 9492 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,214,996 km

• M1: 84,523 km (0.061 R)
• M2: 311,164 km (0.103 R)
• M3: 739,163 km (0.092 R)
• M4: 953,986 km (0.107 R)
• M5: 1,374,356 km (0.094 R)
• M6: 2,893,223 km (0.045 R)
• M7: 3,108,195 km (0.104 R)
• M8: 4,150,443 km (0.062 R)
• M9: 4,872,403 km (0.103 R)
• M10: 7,110,237 km (0.05 R)
• M11: 7,799,135 km (0.118 R)
• M12: 8,063,774 km (0.094 R)
• M13: 9,779,961 km (0.063 R)
• M14: 10,132,563 km (0.108 R)
• M15: 10,631,023 km (0.095 R)
• M16: 11,481,936 km (0.044 R)
• M17: 12,326,416 km (0.112 R)
• M18: 14,306,643 km (0.116 R)
• M19: 15,698,801 km (0.066 R)
• M20: 16,243,486 km (0.109 R)
• M21: 17,498,762 km (0.12 R)
• M22: 19,570,393 km (0.1 R)
• M23: 20,343,216 km (0.047 R)
• M24: 20,773,160 km (0.052 R)
• M25: 21,874,799 km (0.093 R)
• M26: 22,554,123 km (0.106 R)
• M27: 24,273,750 km (0.05 R)
• M28: 25,995,024 km (0.083 R)
• M29: 28,325,609 km (0.026 R)
• M30: 28,772,009 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.8

Radius: 5

Gravity: 24.51 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.51 AU - 6.99 AU

Year: 12105 Days

Day: 24.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,214,996 km

• M1: 62,233 km (0.044 R)
• M2: 306,227 km (0.089 R)
• M3: 620,083 km (0.062 R)
• M4: 1,105,079 km (0.119 R)
• M5: 1,534,276 km (0.119 R)
• M6: 3,194,214 km (0.097 R)
• M7: 3,415,619 km (0.089 R)
• M8: 3,971,973 km (0.03 R)
• M9: 4,315,899 km (0.078 R)
• M10: 4,900,826 km (0.07 R)
• M11: 5,364,430 km (0.06 R)
• M12: 7,219,144 km (0.034 R)
• M13: 7,600,918 km (0.097 R)
• M14: 7,774,901 km (0.107 R)
• M15: 10,075,417 km (0.107 R)
• M16: 10,552,185 km (0.083 R)
• M17: 13,669,356 km (0.115 R)
• M18: 15,962,841 km (0.092 R)
• M19: 16,176,616 km (0.116 R)
• M20: 17,125,815 km (0.055 R)
• M21: 18,344,140 km (0.065 R)
• M22: 19,619,162 km (0.074 R)
• M23: 22,255,675 km (0.086 R)
• M24: 24,641,462 km (0.062 R)
• M25: 28,846,658 km (0.068 R)
• M26: 30,348,022 km (0.045 R)
• M27: 36,628,141 km (0.049 R)
• M28: 40,069,939 km (0.119 R)
• M29: 40,597,571 km (0.066 R)
• M30: 42,754,174 km (0.112 R)
• M31: 49,831,948 km (0.074 R)
• M32: 50,289,119 km (0.08 R)
• M33: 51,832,820 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.5

Radius: 6.8

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.88 AU - 11.5 AU

Year: 22453 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,214,996 km

• M1: 84,523 km (0.067 R)
• M2: 461,958 km (0.064 R)
• M3: 750,682 km (0.077 R)
• M4: 2,532,393 km (0.053 R)
• M5: 2,966,526 km (0.088 R)
• M6: 3,273,052 km (0.107 R)
• M7: 6,679,246 km (0.079 R)
• M8: 7,109,190 km (0.05 R)
• M9: 7,762,634 km (0.119 R)
• M10: 8,565,525 km (0.08 R)
• M11: 9,073,111 km (0.063 R)
• M12: 11,507,068 km (0.106 R)
• M13: 12,549,017 km (0.106 R)
• M14: 17,084,825 km (0.11 R)
• M15: 20,649,892 km (0.113 R)
• M16: 23,682,989 km (0.104 R)
• M17: 23,902,449 km (0.064 R)
• M18: 27,360,403 km (0.083 R)
• M19: 29,208,386 km (0.12 R)
• M20: 35,106,432 km (0.108 R)
• M21: 42,717,822 km (0.116 R)
• M22: 51,542,899 km (0.096 R)
• M23: 69,942,689 km (0.112 R)
• M24: 72,916,695 km (0.107 R)
• M25: 86,693,312 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 15,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit