🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.4

Radius: 8.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 8.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,053,652 km

• M1: 109,506 km (0.088 R)
• M2: 395,387 km (0.101 R)
• M3: 750,981 km (0.099 R)
• M4: 1,047,185 km (0.071 R)
• M5: 1,340,995 km (0.08 R)
• M6: 1,714,392 km (0.093 R)
• M7: 2,156,453 km (0.1 R)
• M8: 2,672,865 km (0.12 R)
• M9: 3,140,059 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 8.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,053,652 km

• M1: 104,569 km (0.12 R)
• M2: 463,903 km (0.104 R)
• M3: 973,433 km (0.052 R)
• M4: 1,372,112 km (0.106 R)
• M5: 1,863,241 km (0.057 R)
• M6: 2,518,031 km (0.12 R)
• M7: 2,866,146 km (0.073 R)
• M8: 3,422,201 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 14.9

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.97 AU - 1.41 AU

Year: 896 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,053,652 km

• M1: 185,352 km (0.096 R)
• M2: 713,582 km (0.104 R)
• M3: 1,560,904 km (0.117 R)
• M4: 2,050,089 km (0.083 R)
• M5: 3,087,550 km (0.116 R)
• M6: 4,103,918 km (0.105 R)
• M7: 4,762,598 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 9.5

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.6 AU - 1.78 AU

Year: 1516 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,053,652 km

• M1: 118,182 km (0.088 R)
• M2: 468,840 km (0.045 R)
• M3: 765,492 km (0.065 R)
• M4: 1,143,825 km (0.103 R)
• M5: 1,732,194 km (0.087 R)
• M6: 2,186,522 km (0.081 R)
• M7: 2,952,164 km (0.077 R)
• M8: 3,412,926 km (0.077 R)
• M9: 3,751,915 km (0.059 R)
• M10: 4,220,754 km (0.089 R)
• M11: 4,986,995 km (0.085 R)
• M12: 5,403,475 km (0.115 R)
• M13: 6,094,916 km (0.118 R)
• M14: 8,180,610 km (0.106 R)
• M15: 9,214,331 km (0.081 R)
• M16: 11,361,509 km (0.104 R)
• M17: 11,683,145 km (0.12 R)
• M18: 12,084,366 km (0.088 R)
• M19: 12,608,408 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.1

Radius: 11.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.84 AU - 3.48 AU

Year: 3877 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,053,652 km

• M1: 141,220 km (0.049 R)
• M2: 781,350 km (0.107 R)
• M3: 1,338,602 km (0.059 R)
• M4: 2,108,881 km (0.094 R)
• M5: 2,531,794 km (0.064 R)
• M6: 3,414,871 km (0.102 R)
• M7: 3,875,482 km (0.087 R)
• M8: 4,897,685 km (0.088 R)
• M9: 6,005,906 km (0.041 R)
• M10: 6,957,199 km (0.11 R)
• M11: 8,006,029 km (0.038 R)
• M12: 9,044,986 km (0.1 R)
• M13: 9,500,213 km (0.116 R)
• M14: 11,830,948 km (0.108 R)
• M15: 15,787,662 km (0.096 R)
• M16: 17,128,208 km (0.118 R)
• M17: 17,708,648 km (0.094 R)
• M18: 18,302,103 km (0.102 R)
• M19: 21,404,164 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 11.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.16 AU - 4.84 AU

Year: 5522 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,053,652 km

• M1: 139,874 km (0.12 R)
• M2: 524,939 km (0.098 R)
• M3: 1,435,990 km (0.112 R)
• M4: 1,848,431 km (0.088 R)
• M5: 3,068,851 km (0.107 R)
• M6: 3,724,389 km (0.054 R)
• M7: 7,379,663 km (0.102 R)
• M8: 8,695,077 km (0.084 R)
• M9: 10,316,120 km (0.053 R)
• M10: 11,999,993 km (0.111 R)
• M11: 12,704,450 km (0.12 R)
• M12: 13,158,479 km (0.115 R)
• M13: 14,537,023 km (0.108 R)
• M14: 17,026,781 km (0.072 R)
• M15: 17,635,195 km (0.06 R)
• M16: 20,522,883 km (0.036 R)
• M17: 20,896,878 km (0.091 R)

Asteroid Belt

Center: 5.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.3

Radius: 3

Gravity: 22.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.91 AU - 8.69 AU

Year: 13614 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,053,652 km

• M1: 56,548 km (0.114 R)
• M2: 499,358 km (0.098 R)
• M3: 1,387,670 km (0.047 R)
• M4: 1,708,557 km (0.063 R)
• M5: 1,855,911 km (0.055 R)
• M6: 2,043,806 km (0.058 R)
• M7: 2,385,188 km (0.119 R)
• M8: 2,588,492 km (0.07 R)
• M9: 3,684,745 km (0.098 R)
• M10: 4,456,670 km (0.11 R)
• M11: 6,773,044 km (0.11 R)
• M12: 17,832,066 km (0.071 R)
• M13: 20,751,917 km (0.111 R)
• M14: 27,146,778 km (0.103 R)
• M15: 32,308,652 km (0.102 R)
• M16: 33,140,566 km (0.109 R)
• M17: 34,846,879 km (0.109 R)
• M18: 35,721,728 km (0.074 R)
• M19: 35,832,131 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.8

Radius: 6.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.7 AU - 7.88 AU

Year: 15008 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,053,652 km

• M1: 82,428 km (0.117 R)
• M2: 307,872 km (0.097 R)
• M3: 511,326 km (0.108 R)
• M4: 997,668 km (0.094 R)
• M5: 1,576,163 km (0.028 R)
• M6: 1,932,356 km (0.1 R)
• M7: 2,229,607 km (0.105 R)
• M8: 2,643,843 km (0.077 R)
• M9: 3,030,254 km (0.092 R)
• M10: 3,474,710 km (0.112 R)
• M11: 3,690,729 km (0.102 R)
• M12: 5,492,336 km (0.075 R)
• M13: 16,206,237 km (0.084 R)
• M14: 17,305,781 km (0.096 R)
• M15: 22,648,070 km (0.093 R)
• M16: 23,175,403 km (0.097 R)
• M17: 23,710,814 km (0.094 R)
• M18: 25,447,196 km (0.056 R)
• M19: 26,512,183 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.9

Radius: 3.7

Gravity: 61.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.42 AU - 8.54 AU

Year: 15560 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,053,652 km

• M1: 46,076 km (0.079 R)
• M2: 231,278 km (0.036 R)
• M3: 557,701 km (0.036 R)
• M4: 885,619 km (0.044 R)
• M5: 1,389,315 km (0.076 R)
• M6: 1,729,052 km (0.036 R)
• M7: 3,457,057 km (0.054 R)
• M8: 3,714,216 km (0.099 R)
• M9: 4,171,088 km (0.045 R)
• M10: 4,363,919 km (0.099 R)
• M11: 4,802,092 km (0.077 R)
• M12: 6,503,468 km (0.113 R)
• M13: 7,119,512 km (0.099 R)
• M14: 7,582,667 km (0.12 R)
• M15: 8,365,214 km (0.079 R)
• M16: 8,880,578 km (0.077 R)
• M17: 10,851,979 km (0.06 R)
• M18: 13,165,061 km (0.083 R)
• M19: 13,440,770 km (0.118 R)
• M20: 14,582,052 km (0.105 R)
• M21: 15,026,358 km (0.12 R)
• M22: 19,084,799 km (0.086 R)
• M23: 21,648,607 km (0.026 R)
• M24: 22,421,280 km (0.074 R)
• M25: 24,640,415 km (0.063 R)
• M26: 25,482,352 km (0.091 R)
• M27: 27,223,521 km (0.085 R)
• M28: 29,509,377 km (0.118 R)
• M29: 30,940,580 km (0.1 R)
• M30: 31,305,449 km (0.074 R)
• M31: 32,667,986 km (0.101 R)
• M32: 38,094,649 km (0.107 R)
• M33: 39,077,357 km (0.082 R)
• M34: 39,646,428 km (0.112 R)
• M35: 43,329,078 km (0.05 R)
• M36: 57,362,705 km (0.107 R)
• M37: 60,339,553 km (0.067 R)
• M38: 62,444,844 km (0.065 R)
• M39: 66,195,711 km (0.05 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 12,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit