🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 11.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,434,772 km

• M1: 144,212 km (0.108 R)
• M2: 625,319 km (0.097 R)
• M3: 1,158,486 km (0.118 R)
• M4: 1,714,990 km (0.098 R)
• M5: 2,088,685 km (0.075 R)
• M6: 2,953,660 km (0.036 R)
• M7: 3,567,012 km (0.102 R)
• M8: 4,237,360 km (0.047 R)
• M9: 4,645,014 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 12.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.29 AU

Year: 745 Days

Day: 5.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,434,772 km

• M1: 156,629 km (0.12 R)
• M2: 549,174 km (0.086 R)
• M3: 1,556,865 km (0.09 R)
• M4: 1,967,960 km (0.075 R)
• M5: 2,388,928 km (0.112 R)
• M6: 2,930,622 km (0.102 R)
• M7: 3,498,496 km (0.109 R)
• M8: 4,001,893 km (0.116 R)
• M9: 4,487,936 km (0.116 R)
• M10: 5,712,993 km (0.093 R)
• M11: 6,249,152 km (0.105 R)
• M12: 6,689,119 km (0.092 R)
• M13: 7,353,633 km (0.116 R)
• M14: 8,382,717 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.7

Radius: 13.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.19 AU - 1.37 AU

Year: 935 Days

Day: 5.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,434,772 km

• M1: 171,738 km (0.047 R)
• M2: 674,238 km (0.094 R)
• M3: 1,162,525 km (0.102 R)
• M4: 1,716,187 km (0.097 R)
• M5: 2,382,496 km (0.09 R)
• M6: 3,481,591 km (0.107 R)
• M7: 4,161,962 km (0.108 R)
• M8: 5,104,878 km (0.096 R)
• M9: 5,674,995 km (0.116 R)
• M10: 6,246,609 km (0.119 R)
• M11: 7,031,549 km (0.028 R)
• M12: 7,929,286 km (0.11 R)
• M13: 8,468,586 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 14

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.67 AU - 2.71 AU

Year: 2093 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,434,772 km

• M1: 174,132 km (0.078 R)
• M2: 759,060 km (0.1 R)
• M3: 1,258,866 km (0.078 R)
• M4: 1,812,229 km (0.118 R)
• M5: 3,088,448 km (0.11 R)
• M6: 3,549,509 km (0.045 R)
• M7: 4,076,692 km (0.069 R)
• M8: 4,765,141 km (0.076 R)
• M9: 5,242,807 km (0.055 R)
• M10: 5,727,504 km (0.091 R)
• M11: 6,483,871 km (0.086 R)
• M12: 8,784,836 km (0.109 R)
• M13: 9,973,241 km (0.119 R)
• M14: 11,148,033 km (0.084 R)
• M15: 13,190,343 km (0.108 R)
• M16: 13,908,413 km (0.093 R)
• M17: 16,219,700 km (0.059 R)
• M18: 16,939,565 km (0.086 R)
• M19: 17,627,117 km (0.045 R)
• M20: 18,498,674 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.2

Radius: 13

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.77 AU - 2.89 AU

Year: 2296 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,434,772 km

• M1: 161,715 km (0.045 R)
• M2: 634,594 km (0.037 R)
• M3: 1,160,730 km (0.11 R)
• M4: 1,599,800 km (0.085 R)
• M5: 2,382,795 km (0.081 R)
• M6: 2,897,412 km (0.095 R)
• M7: 3,423,846 km (0.062 R)
• M8: 4,206,991 km (0.069 R)
• M9: 4,613,150 km (0.08 R)
• M10: 5,168,158 km (0.043 R)
• M11: 5,767,447 km (0.104 R)
• M12: 6,877,762 km (0.055 R)
• M13: 9,149,406 km (0.045 R)
• M14: 10,389,273 km (0.117 R)
• M15: 10,894,914 km (0.115 R)
• M16: 12,065,517 km (0.076 R)
• M17: 12,968,191 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.5

Radius: 10.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.41 AU - 5.43 AU

Year: 7046 Days

Day: 5.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,434,772 km

• M1: 132,993 km (0.108 R)
• M2: 540,198 km (0.089 R)
• M3: 994,227 km (0.098 R)
• M4: 1,539,212 km (0.063 R)
• M5: 2,092,425 km (0.079 R)
• M6: 3,528,116 km (0.099 R)
• M7: 4,634,991 km (0.094 R)
• M8: 5,663,327 km (0.065 R)
• M9: 6,619,257 km (0.092 R)
• M10: 7,443,092 km (0.042 R)
• M11: 8,761,798 km (0.084 R)
• M12: 9,159,279 km (0.042 R)
• M13: 9,895,750 km (0.055 R)
• M14: 10,821,012 km (0.091 R)
• M15: 13,013,220 km (0.089 R)
• M16: 15,358,914 km (0.108 R)
• M17: 16,665,053 km (0.097 R)
• M18: 19,423,040 km (0.11 R)
• M19: 20,949,237 km (0.083 R)
• M20: 22,636,252 km (0.101 R)
• M21: 24,412,129 km (0.11 R)
• M22: 25,646,311 km (0.116 R)
• M23: 27,575,226 km (0.102 R)
• M24: 29,995,121 km (0.112 R)
• M25: 30,798,611 km (0.099 R)
• M26: 32,239,089 km (0.105 R)
• M27: 36,943,793 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.6

Radius: 5.8

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.15 AU - 9.65 AU

Year: 14337 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,434,772 km

• M1: 72,106 km (0.096 R)
• M2: 304,731 km (0.045 R)
• M3: 502,649 km (0.106 R)
• M4: 960,718 km (0.097 R)
• M5: 1,298,360 km (0.101 R)
• M6: 1,570,478 km (0.096 R)
• M7: 1,778,120 km (0.026 R)
• M8: 1,968,259 km (0.075 R)
• M9: 2,171,862 km (0.113 R)
• M10: 2,665,684 km (0.119 R)
• M11: 2,892,475 km (0.094 R)
• M12: 3,156,665 km (0.115 R)
• M13: 3,874,136 km (0.037 R)
• M14: 4,256,059 km (0.075 R)
• M15: 4,694,980 km (0.11 R)
• M16: 5,129,113 km (0.039 R)
• M17: 6,882,400 km (0.107 R)
• M18: 7,985,983 km (0.069 R)
• M19: 8,362,820 km (0.112 R)
• M20: 10,991,704 km (0.087 R)
• M21: 12,871,850 km (0.04 R)
• M22: 16,115,879 km (0.075 R)
• M23: 16,339,678 km (0.117 R)
• M24: 19,357,964 km (0.088 R)
• M25: 25,246,885 km (0.077 R)
• M26: 28,485,828 km (0.099 R)
• M27: 29,922,865 km (0.065 R)
• M28: 34,770,734 km (0.06 R)
• M29: 43,056,062 km (0.055 R)
• M30: 45,093,436 km (0.09 R)
• M31: 47,499,418 km (0.041 R)
• M32: 48,889,631 km (0.113 R)
• M33: 50,148,049 km (0.052 R)
• M34: 54,219,654 km (0.108 R)
• M35: 55,397,887 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.6

Radius: 5.5

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.62 AU - 10.24 AU

Year: 18697 Days

Day: 22.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,434,772 km

• M1: 82,428 km (0.074 R)
• M2: 257,009 km (0.12 R)
• M3: 479,012 km (0.064 R)
• M4: 1,364,632 km (0.112 R)
• M5: 1,715,140 km (0.09 R)
• M6: 1,928,915 km (0.062 R)
• M7: 2,197,742 km (0.113 R)
• M8: 2,430,517 km (0.087 R)
• M9: 3,715,712 km (0.092 R)
• M10: 4,220,006 km (0.107 R)
• M11: 4,737,166 km (0.086 R)
• M12: 4,929,399 km (0.093 R)
• M13: 5,823,696 km (0.116 R)
• M14: 7,489,318 km (0.109 R)
• M15: 7,706,834 km (0.106 R)
• M16: 8,199,908 km (0.084 R)
• M17: 8,713,777 km (0.115 R)
• M18: 9,805,692 km (0.101 R)
• M19: 11,437,505 km (0.106 R)
• M20: 12,317,739 km (0.091 R)
• M21: 15,648,236 km (0.119 R)
• M22: 17,028,576 km (0.057 R)
• M23: 17,556,956 km (0.032 R)
• M24: 18,252,287 km (0.107 R)
• M25: 18,567,190 km (0.096 R)
• M26: 22,095,456 km (0.095 R)
• M27: 22,905,678 km (0.064 R)
• M28: 26,145,369 km (0.062 R)
• M29: 26,344,933 km (0.064 R)
• M30: 30,885,528 km (0.105 R)
• M31: 32,584,660 km (0.106 R)
• M32: 32,931,877 km (0.083 R)
• M33: 38,310,668 km (0.069 R)
• M34: 42,295,806 km (0.077 R)
• M35: 43,543,153 km (0.109 R)
• M36: 46,988,990 km (0.068 R)
• M37: 50,767,085 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.6

Radius: 5.4

Gravity: 15.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 9.38 AU - 13.14 AU

Year: 24396 Days

Day: 24.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,434,772 km

• M1: 67,169 km (0.043 R)
• M2: 269,575 km (0.113 R)
• M3: 1,057,807 km (0.092 R)
• M4: 1,982,471 km (0.094 R)
• M5: 2,226,615 km (0.04 R)
• M6: 2,654,315 km (0.113 R)
• M7: 3,055,686 km (0.111 R)
• M8: 3,270,957 km (0.076 R)
• M9: 4,607,016 km (0.119 R)
• M10: 6,798,625 km (0.101 R)
• M11: 10,301,758 km (0.12 R)
• M12: 13,091,310 km (0.093 R)
• M13: 13,445,258 km (0.061 R)
• M14: 13,805,490 km (0.096 R)
• M15: 14,246,205 km (0.105 R)
• M16: 17,769,833 km (0.103 R)
• M17: 19,364,846 km (0.079 R)
• M18: 19,639,657 km (0.09 R)
• M19: 20,860,675 km (0.062 R)
• M20: 21,343,427 km (0.102 R)
• M21: 21,636,639 km (0.12 R)
• M22: 23,040,765 km (0.079 R)
• M23: 24,826,066 km (0.105 R)
• M24: 26,363,932 km (0.032 R)
• M25: 28,551,053 km (0.09 R)
• M26: 31,482,872 km (0.105 R)
• M27: 32,245,971 km (0.065 R)
• M28: 32,761,485 km (0.108 R)
• M29: 36,804,667 km (0.059 R)
• M30: 44,102,799 km (0.085 R)
• M31: 45,702,000 km (0.101 R)
• M32: 53,198,948 km (0.087 R)
• M33: 64,685,521 km (0.087 R)
• M34: 68,428,609 km (0.077 R)
• M35: 70,137,466 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 18,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit