🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.1

Radius: 13.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.5 AU - 0.66 AU

Year: 295 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,088,888 km

• M1: 164,109 km (0.079 R)
• M2: 606,769 km (0.099 R)
• M3: 1,052,720 km (0.033 R)
• M4: 1,558,361 km (0.077 R)
• M5: 2,292,288 km (0.102 R)
• M6: 2,707,422 km (0.11 R)
• M7: 3,692,973 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.4

Radius: 10.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.17 AU - 1.55 AU

Year: 1058 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,088,888 km

• M1: 130,599 km (0.098 R)
• M2: 531,970 km (0.069 R)
• M3: 865,124 km (0.094 R)
• M4: 1,475,933 km (0.104 R)
• M5: 2,100,055 km (0.101 R)
• M6: 3,054,190 km (0.118 R)
• M7: 4,210,731 km (0.108 R)
• M8: 4,541,043 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 9.7

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.12 AU - 1.62 AU

Year: 1069 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,088,888 km

• M1: 120,576 km (0.119 R)
• M2: 590,912 km (0.033 R)
• M3: 1,111,512 km (0.095 R)
• M4: 1,453,942 km (0.099 R)
• M5: 1,824,346 km (0.111 R)
• M6: 2,257,581 km (0.089 R)
• M7: 2,747,365 km (0.054 R)
• M8: 3,116,423 km (0.095 R)
• M9: 3,491,614 km (0.062 R)
• M10: 3,839,130 km (0.072 R)
• M11: 4,348,960 km (0.067 R)
• M12: 5,005,994 km (0.113 R)
• M13: 6,374,066 km (0.086 R)
• M14: 6,683,584 km (0.109 R)
• M15: 7,952,772 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 12.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.88 AU - 2.58 AU

Year: 2221 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,088,888 km

• M1: 160,369 km (0.098 R)
• M2: 612,902 km (0.098 R)
• M3: 1,198,728 km (0.084 R)
• M4: 1,725,312 km (0.109 R)
• M5: 2,490,954 km (0.108 R)
• M6: 2,911,324 km (0.028 R)
• M7: 3,472,765 km (0.074 R)
• M8: 3,880,868 km (0.108 R)
• M9: 4,321,284 km (0.113 R)
• M10: 5,178,330 km (0.113 R)
• M11: 5,669,909 km (0.091 R)
• M12: 6,122,442 km (0.106 R)
• M13: 6,623,745 km (0.109 R)
• M14: 7,049,351 km (0.117 R)
• M15: 8,380,323 km (0.08 R)
• M16: 11,111,531 km (0.119 R)
• M17: 12,451,779 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 8.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.62 AU - 3 AU

Year: 3141 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,088,888 km

• M1: 103,372 km (0.059 R)
• M2: 391,946 km (0.119 R)
• M3: 742,753 km (0.104 R)
• M4: 1,358,498 km (0.119 R)
• M5: 1,931,159 km (0.116 R)
• M6: 2,375,913 km (0.03 R)
• M7: 2,682,589 km (0.058 R)
• M8: 4,058,740 km (0.106 R)
• M9: 5,073,612 km (0.083 R)
• M10: 6,368,381 km (0.092 R)
• M11: 9,405,966 km (0.074 R)
• M12: 9,916,095 km (0.08 R)
• M13: 10,244,313 km (0.114 R)
• M14: 11,237,194 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 8.2

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.02 AU - 4.84 AU

Year: 5195 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,088,888 km

• M1: 102,026 km (0.077 R)
• M2: 645,515 km (0.086 R)
• M3: 1,037,611 km (0.087 R)
• M4: 1,338,452 km (0.115 R)
• M5: 2,015,981 km (0.072 R)
• M6: 2,390,574 km (0.087 R)
• M7: 2,647,882 km (0.089 R)
• M8: 3,118,218 km (0.103 R)
• M9: 3,755,056 km (0.067 R)
• M10: 4,552,562 km (0.108 R)
• M11: 5,342,738 km (0.104 R)
• M12: 6,881,053 km (0.105 R)
• M13: 8,185,098 km (0.084 R)
• M14: 8,535,307 km (0.09 R)
• M15: 9,224,354 km (0.114 R)
• M16: 9,689,454 km (0.085 R)
• M17: 10,621,000 km (0.105 R)
• M18: 10,897,756 km (0.03 R)
• M19: 11,757,196 km (0.065 R)
• M20: 12,764,438 km (0.118 R)
• M21: 13,077,397 km (0.067 R)
• M22: 15,889,388 km (0.108 R)
• M23: 16,435,121 km (0.08 R)
• M24: 16,805,825 km (0.057 R)
• M25: 19,284,662 km (0.119 R)
• M26: 21,553,164 km (0.07 R)
• M27: 27,210,207 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.5

Radius: 12.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.08 AU - 4.42 AU

Year: 5843 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,088,888 km

• M1: 154,235 km (0.114 R)
• M2: 546,930 km (0.079 R)
• M3: 1,060,948 km (0.069 R)
• M4: 1,462,469 km (0.093 R)
• M5: 2,040,814 km (0.067 R)
• M6: 2,485,569 km (0.074 R)
• M7: 3,173,569 km (0.074 R)
• M8: 4,427,798 km (0.096 R)
• M9: 6,946,278 km (0.108 R)
• M10: 7,813,796 km (0.105 R)
• M11: 9,249,038 km (0.103 R)
• M12: 9,808,384 km (0.077 R)
• M13: 11,089,989 km (0.113 R)
• M14: 12,845,371 km (0.116 R)
• M15: 13,542,347 km (0.111 R)
• M16: 15,906,592 km (0.069 R)
• M17: 16,963,351 km (0.11 R)
• M18: 18,941,634 km (0.109 R)
• M19: 23,351,779 km (0.072 R)
• M20: 23,827,350 km (0.117 R)
• M21: 26,473,737 km (0.042 R)
• M22: 30,992,041 km (0.088 R)
• M23: 33,633,940 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.3

Radius: 3.7

Gravity: 48.67 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.27 AU - 6.63 AU

Year: 9678 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,088,888 km

• M1: 46,076 km (0.048 R)
• M2: 212,279 km (0.101 R)
• M3: 369,507 km (0.102 R)
• M4: 704,008 km (0.092 R)
• M5: 1,166,564 km (0.079 R)
• M6: 1,286,990 km (0.11 R)
• M7: 2,122,943 km (0.118 R)
• M8: 2,533,440 km (0.1 R)
• M9: 6,957,348 km (0.108 R)
• M10: 7,811,851 km (0.109 R)
• M11: 8,242,394 km (0.113 R)
• M12: 9,531,928 km (0.073 R)
• M13: 11,434,214 km (0.042 R)
• M14: 12,158,567 km (0.056 R)
• M15: 13,636,594 km (0.082 R)
• M16: 14,008,345 km (0.112 R)
• M17: 15,098,315 km (0.067 R)
• M18: 15,697,753 km (0.108 R)
• M19: 18,705,568 km (0.067 R)
• M20: 19,319,069 km (0.116 R)
• M21: 19,709,220 km (0.073 R)
• M22: 22,246,101 km (0.093 R)
• M23: 25,642,122 km (0.112 R)
• M24: 26,590,124 km (0.067 R)
• M25: 29,883,671 km (0.075 R)
• M26: 31,039,314 km (0.094 R)
• M27: 39,222,767 km (0.105 R)
• M28: 39,471,997 km (0.071 R)
• M29: 40,479,688 km (0.101 R)
• M30: 41,375,330 km (0.081 R)
• M31: 41,504,284 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.9

Radius: 5.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 6.61 AU - 9.59 AU

Year: 15373 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,088,888 km

• M1: 68,366 km (0.093 R)
• M2: 270,174 km (0.12 R)
• M3: 461,061 km (0.098 R)
• M4: 1,129,913 km (0.093 R)
• M5: 1,565,542 km (0.115 R)
• M6: 2,700,990 km (0.07 R)
• M7: 6,596,967 km (0.087 R)
• M8: 9,552,572 km (0.026 R)
• M9: 10,777,031 km (0.085 R)
• M10: 13,657,538 km (0.119 R)
• M11: 15,340,962 km (0.083 R)
• M12: 20,225,632 km (0.049 R)
• M13: 23,550,445 km (0.078 R)
• M14: 31,042,007 km (0.103 R)
• M15: 43,659,839 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 7.4

Gravity: 16.88 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.05 AU - 9.57 AU

Year: 18943 Days

Day: 23.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,088,888 km

• M1: 101,577 km (0.118 R)
• M2: 338,989 km (0.094 R)
• M3: 630,256 km (0.104 R)
• M4: 1,039,406 km (0.087 R)
• M5: 1,450,950 km (0.061 R)
• M6: 1,908,420 km (0.097 R)
• M7: 2,278,974 km (0.072 R)
• M8: 2,976,399 km (0.108 R)
• M9: 3,247,471 km (0.118 R)
• M10: 6,266,056 km (0.109 R)
• M11: 6,622,099 km (0.067 R)
• M12: 10,216,637 km (0.057 R)
• M13: 12,014,654 km (0.12 R)
• M14: 19,024,660 km (0.047 R)
• M15: 22,029,184 km (0.03 R)
• M16: 27,400,346 km (0.055 R)
• M17: 28,715,760 km (0.05 R)
• M18: 31,991,205 km (0.113 R)
• M19: 32,384,498 km (0.101 R)
• M20: 33,583,675 km (0.108 R)
• M21: 36,070,440 km (0.062 R)
• M22: 41,407,045 km (0.102 R)
• M23: 43,617,204 km (0.076 R)
• M24: 52,332,776 km (0.048 R)
• M25: 57,965,734 km (0.106 R)
• M26: 72,426,762 km (0.099 R)
• M27: 77,262,962 km (0.109 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: 365 - 15,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit