🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.5

Radius: 13.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 14.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,936,284 km

• M1: 171,589 km (0.111 R)
• M2: 672,592 km (0.1 R)
• M3: 1,138,589 km (0.083 R)
• M4: 1,573,321 km (0.056 R)
• M5: 2,196,546 km (0.07 R)
• M6: 2,735,696 km (0.073 R)
• M7: 3,668,439 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 13.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.41 AU - 0.67 AU

Year: 269 Days

Day: 10.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,936,284 km

• M1: 167,250 km (0.1 R)
• M2: 625,768 km (0.026 R)
• M3: 1,361,041 km (0.099 R)
• M4: 1,963,023 km (0.116 R)
• M5: 2,602,853 km (0.091 R)
• M6: 3,087,550 km (0.06 R)
• M7: 3,520,786 km (0.095 R)
• M8: 4,080,132 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.99 AU - 2.97 AU

Year: 2649 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,936,284 km

• M1: 100,081 km (0.067 R)
• M2: 418,425 km (0.085 R)
• M3: 704,905 km (0.115 R)
• M4: 965,056 km (0.074 R)
• M5: 1,612,216 km (0.1 R)
• M6: 2,395,511 km (0.051 R)
• M7: 3,284,571 km (0.057 R)
• M8: 3,690,131 km (0.06 R)
• M9: 4,942,564 km (0.115 R)
• M10: 6,260,671 km (0.112 R)
• M11: 7,212,861 km (0.064 R)
• M12: 8,736,067 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.8

Radius: 13.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.86 AU - 3.14 AU

Year: 3524 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,936,284 km

• M1: 164,707 km (0.092 R)
• M2: 640,129 km (0.102 R)
• M3: 1,141,581 km (0.099 R)
• M4: 1,722,619 km (0.077 R)
• M5: 3,152,626 km (0.049 R)
• M6: 4,230,927 km (0.078 R)
• M7: 4,671,044 km (0.07 R)
• M8: 5,670,507 km (0.051 R)
• M9: 7,106,946 km (0.1 R)
• M10: 8,738,760 km (0.104 R)
• M11: 9,755,128 km (0.078 R)
• M12: 13,187,202 km (0.053 R)
• M13: 14,229,899 km (0.12 R)
• M14: 19,134,166 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 10

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.9 AU - 3.9 AU

Year: 4252 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,936,284 km

• M1: 124,765 km (0.101 R)
• M2: 534,962 km (0.111 R)
• M3: 1,397,394 km (0.086 R)
• M4: 2,306,201 km (0.098 R)
• M5: 2,668,228 km (0.05 R)
• M6: 2,995,847 km (0.048 R)
• M7: 3,409,186 km (0.048 R)
• M8: 4,235,714 km (0.12 R)
• M9: 4,563,184 km (0.071 R)
• M10: 4,983,703 km (0.103 R)
• M11: 5,403,026 km (0.088 R)
• M12: 5,931,406 km (0.094 R)
• M13: 7,059,374 km (0.117 R)
• M14: 7,589,250 km (0.078 R)
• M15: 8,433,580 km (0.071 R)
• M16: 8,803,386 km (0.1 R)
• M17: 9,655,196 km (0.119 R)
• M18: 10,101,297 km (0.074 R)
• M19: 12,163,952 km (0.067 R)
• M20: 13,072,610 km (0.058 R)
• M21: 13,518,561 km (0.114 R)
• M22: 14,128,771 km (0.075 R)
• M23: 15,569,099 km (0.075 R)
• M24: 16,929,393 km (0.076 R)
• M25: 17,818,902 km (0.055 R)
• M26: 18,305,843 km (0.097 R)
• M27: 18,739,228 km (0.078 R)
• M28: 21,621,829 km (0.092 R)
• M29: 21,967,101 km (0.107 R)
• M30: 23,895,417 km (0.096 R)
• M31: 25,165,952 km (0.058 R)
• M32: 26,089,569 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.5

Radius: 12.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.85 AU - 6.27 AU

Year: 7720 Days

Day: 6.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,936,284 km

• M1: 151,692 km (0.051 R)
• M2: 673,938 km (0.104 R)
• M3: 1,843,644 km (0.071 R)
• M4: 4,055,897 km (0.102 R)
• M5: 6,084,594 km (0.094 R)
• M6: 8,114,787 km (0.032 R)
• M7: 11,626,447 km (0.09 R)
• M8: 13,743,257 km (0.1 R)
• M9: 16,230,471 km (0.053 R)
• M10: 17,845,680 km (0.085 R)
• M11: 18,520,964 km (0.092 R)
• M12: 19,283,465 km (0.107 R)
• M13: 20,211,271 km (0.072 R)
• M14: 23,977,846 km (0.042 R)
• M15: 26,069,224 km (0.093 R)
• M16: 27,827,747 km (0.059 R)
• M17: 29,197,615 km (0.088 R)
• M18: 29,664,061 km (0.077 R)
• M19: 30,803,847 km (0.117 R)
• M20: 32,868,597 km (0.091 R)
• M21: 33,373,490 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.3

Radius: 3.7

Gravity: 45.31 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.08 AU - 7.88 AU

Year: 12508 Days

Day: 24.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,936,284 km

• M1: 46,226 km (0.112 R)
• M2: 184,305 km (0.105 R)
• M3: 359,633 km (0.111 R)
• M4: 917,035 km (0.066 R)
• M5: 2,050,089 km (0.045 R)
• M6: 2,661,496 km (0.117 R)
• M7: 2,928,079 km (0.114 R)
• M8: 3,285,917 km (0.115 R)
• M9: 3,411,579 km (0.119 R)
• M10: 3,974,367 km (0.028 R)
• M11: 4,233,620 km (0.091 R)
• M12: 4,412,688 km (0.111 R)
• M13: 4,817,799 km (0.047 R)
• M14: 7,180,997 km (0.062 R)
• M15: 7,963,394 km (0.074 R)
• M16: 9,441,421 km (0.079 R)
• M17: 10,486,362 km (0.081 R)
• M18: 11,780,683 km (0.119 R)
• M19: 12,557,395 km (0.118 R)
• M20: 12,741,400 km (0.095 R)
• M21: 13,883,430 km (0.11 R)
• M22: 15,439,547 km (0.052 R)
• M23: 16,588,160 km (0.096 R)
• M24: 16,958,564 km (0.092 R)
• M25: 19,134,914 km (0.066 R)
• M26: 20,205,885 km (0.102 R)
• M27: 21,665,811 km (0.103 R)
• M28: 28,419,706 km (0.108 R)
• M29: 34,978,974 km (0.12 R)
• M30: 35,221,622 km (0.044 R)
• M31: 43,730,450 km (0.12 R)
• M32: 44,721,087 km (0.081 R)
• M33: 52,552,984 km (0.098 R)
• M34: 52,871,179 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.9

Radius: 3.5

Gravity: 26.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.93 AU - 9.17 AU

Year: 16957 Days

Day: 17.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,936,284 km

• M1: 43,683 km (0.105 R)
• M2: 367,712 km (0.078 R)
• M3: 486,043 km (0.077 R)
• M4: 1,038,957 km (0.089 R)
• M5: 1,415,196 km (0.117 R)
• M6: 2,177,995 km (0.092 R)
• M7: 3,303,271 km (0.095 R)
• M8: 3,906,599 km (0.032 R)
• M9: 4,307,820 km (0.084 R)
• M10: 4,831,263 km (0.057 R)
• M11: 5,125,073 km (0.088 R)
• M12: 5,784,052 km (0.071 R)
• M13: 7,142,700 km (0.084 R)
• M14: 8,939,969 km (0.045 R)
• M15: 9,532,825 km (0.078 R)
• M16: 10,851,381 km (0.092 R)
• M17: 11,241,382 km (0.078 R)
• M18: 11,640,659 km (0.059 R)
• M19: 12,467,187 km (0.031 R)
• M20: 14,170,658 km (0.052 R)
• M21: 15,043,562 km (0.11 R)
• M22: 17,268,681 km (0.025 R)
• M23: 18,108,074 km (0.064 R)
• M24: 19,703,536 km (0.08 R)
• M25: 20,535,300 km (0.061 R)
• M26: 22,626,528 km (0.069 R)
• M27: 23,816,430 km (0.098 R)
• M28: 31,281,513 km (0.09 R)
• M29: 35,235,086 km (0.109 R)
• M30: 36,830,846 km (0.045 R)
• M31: 41,769,969 km (0.062 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: 363 - 19,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit