🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 11.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 7.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,729,403 km

• M1: 150,944 km (0.053 R)
• M2: 540,048 km (0.092 R)
• M3: 939,923 km (0.099 R)
• M4: 1,404,126 km (0.088 R)
• M5: 2,298,122 km (0.11 R)
• M6: 2,861,658 km (0.089 R)
• M7: 3,236,251 km (0.103 R)
• M8: 3,799,337 km (0.051 R)
• M9: 4,240,800 km (0.104 R)
• M10: 4,674,485 km (0.115 R)
• M11: 5,063,290 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 11.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.09 AU - 1.35 AU

Year: 899 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,729,403 km

• M1: 140,622 km (0.075 R)
• M2: 575,503 km (0.074 R)
• M3: 1,100,292 km (0.111 R)
• M4: 1,526,945 km (0.065 R)
• M5: 1,880,894 km (0.038 R)
• M6: 2,362,898 km (0.095 R)
• M7: 2,771,600 km (0.109 R)
• M8: 3,426,689 km (0.051 R)
• M9: 3,923,952 km (0.075 R)
• M10: 4,292,262 km (0.063 R)
• M11: 4,785,337 km (0.097 R)
• M12: 5,729,898 km (0.117 R)
• M13: 7,466,131 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 13.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.23 AU - 1.59 AU

Year: 1116 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,729,403 km

• M1: 170,990 km (0.08 R)
• M2: 625,618 km (0.071 R)
• M3: 1,107,174 km (0.037 R)
• M4: 1,536,071 km (0.096 R)
• M5: 2,002,367 km (0.065 R)
• M6: 2,971,014 km (0.045 R)
• M7: 3,505,677 km (0.045 R)
• M8: 4,788,329 km (0.066 R)
• M9: 6,514,688 km (0.053 R)
• M10: 7,119,662 km (0.085 R)
• M11: 7,664,348 km (0.058 R)
• M12: 8,109,850 km (0.083 R)
• M13: 8,599,035 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 12.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.87 AU - 2.13 AU

Year: 1886 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,729,403 km

• M1: 160,519 km (0.095 R)
• M2: 819,348 km (0.114 R)
• M3: 1,546,543 km (0.111 R)
• M4: 2,083,001 km (0.103 R)
• M5: 2,674,810 km (0.119 R)
• M6: 3,345,308 km (0.047 R)
• M7: 4,125,760 km (0.105 R)
• M8: 4,697,672 km (0.115 R)
• M9: 5,257,318 km (0.107 R)
• M10: 6,789,350 km (0.114 R)
• M11: 7,534,048 km (0.051 R)
• M12: 7,983,590 km (0.045 R)
• M13: 10,132,264 km (0.067 R)
• M14: 11,177,355 km (0.073 R)
• M15: 12,447,440 km (0.118 R)
• M16: 14,020,163 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 14.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.9 AU - 3.92 AU

Year: 4199 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,729,403 km

• M1: 181,761 km (0.117 R)
• M2: 679,773 km (0.079 R)
• M3: 1,490,593 km (0.087 R)
• M4: 1,954,945 km (0.054 R)
• M5: 2,946,928 km (0.069 R)
• M6: 3,520,038 km (0.046 R)
• M7: 5,186,259 km (0.114 R)
• M8: 6,337,115 km (0.106 R)
• M9: 6,836,623 km (0.07 R)
• M10: 7,619,468 km (0.056 R)
• M11: 8,151,438 km (0.03 R)
• M12: 9,142,075 km (0.065 R)
• M13: 10,054,024 km (0.035 R)
• M14: 11,278,183 km (0.086 R)
• M15: 11,794,895 km (0.118 R)
• M16: 13,875,203 km (0.114 R)
• M17: 16,407,745 km (0.107 R)
• M18: 18,454,992 km (0.116 R)
• M19: 22,778,669 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 15

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.41 AU - 4.45 AU

Year: 5195 Days

Day: 7 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,729,403 km

• M1: 196,123 km (0.111 R)
• M2: 683,064 km (0.12 R)
• M3: 1,268,291 km (0.099 R)
• M4: 2,075,820 km (0.109 R)
• M5: 2,573,233 km (0.116 R)
• M6: 3,093,385 km (0.074 R)
• M7: 3,771,213 km (0.08 R)
• M8: 4,547,027 km (0.095 R)
• M9: 5,231,587 km (0.05 R)
• M10: 6,841,410 km (0.077 R)
• M11: 7,962,047 km (0.083 R)
• M12: 10,566,995 km (0.116 R)
• M13: 12,161,409 km (0.052 R)
• M14: 14,073,270 km (0.117 R)
• M15: 14,678,543 km (0.081 R)
• M16: 16,478,505 km (0.052 R)
• M17: 17,400,476 km (0.038 R)
• M18: 21,149,100 km (0.043 R)
• M19: 21,725,351 km (0.119 R)
• M20: 22,386,274 km (0.047 R)
• M21: 23,517,384 km (0.081 R)
• M22: 24,136,120 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.7

Radius: 3.6

Gravity: 76.91 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.92 AU - 6.66 AU

Year: 10520 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 42,729,403 km

• M1: 44,730 km (0.1 R)
• M2: 266,135 km (0.092 R)
• M3: 727,794 km (0.037 R)
• M4: 1,066,034 km (0.109 R)
• M5: 1,471,295 km (0.089 R)
• M6: 1,621,940 km (0.098 R)
• M7: 1,867,131 km (0.1 R)
• M8: 2,136,407 km (0.091 R)
• M9: 2,685,731 km (0.111 R)
• M10: 3,583,916 km (0.061 R)
• M11: 3,913,779 km (0.093 R)
• M12: 4,115,288 km (0.07 R)
• M13: 4,507,982 km (0.061 R)
• M14: 6,528,601 km (0.061 R)
• M15: 8,075,443 km (0.118 R)
• M16: 8,355,041 km (0.084 R)
• M17: 10,116,107 km (0.085 R)
• M18: 10,716,892 km (0.06 R)
• M19: 13,102,679 km (0.092 R)
• M20: 13,882,084 km (0.099 R)
• M21: 14,014,927 km (0.056 R)
• M22: 14,215,687 km (0.065 R)
• M23: 14,486,609 km (0.107 R)
• M24: 17,774,022 km (0.071 R)
• M25: 18,088,327 km (0.033 R)
• M26: 19,883,203 km (0.08 R)
• M27: 20,221,892 km (0.044 R)
• M28: 22,977,784 km (0.118 R)
• M29: 23,917,558 km (0.099 R)
• M30: 25,973,930 km (0.096 R)
• M31: 26,787,294 km (0.095 R)
• M32: 27,304,155 km (0.11 R)
• M33: 27,722,430 km (0.061 R)
• M34: 29,220,204 km (0.037 R)
• M35: 30,210,991 km (0.119 R)
• M36: 32,143,197 km (0.095 R)
• M37: 35,502,417 km (0.083 R)
• M38: 37,394,830 km (0.107 R)
• M39: 40,290,297 km (0.078 R)
• M40: 40,425,384 km (0.096 R)
• M41: 44,908,234 km (0.057 R)
• M42: 48,023,310 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.3

Radius: 3.8

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.65 AU - 7.23 AU

Year: 10898 Days

Day: 16 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,729,403 km

• M1: 47,423 km (0.051 R)
• M2: 272,717 km (0.05 R)
• M3: 492,327 km (0.075 R)
• M4: 768,335 km (0.086 R)
• M5: 1,139,936 km (0.049 R)
• M6: 1,270,984 km (0.102 R)
• M7: 1,438,832 km (0.097 R)
• M8: 2,432,461 km (0.088 R)
• M9: 2,839,368 km (0.071 R)
• M10: 3,532,604 km (0.117 R)
• M11: 4,108,107 km (0.08 R)
• M12: 5,542,601 km (0.118 R)
• M13: 6,539,521 km (0.096 R)
• M14: 10,701,633 km (0.075 R)
• M15: 11,072,038 km (0.081 R)
• M16: 15,060,466 km (0.082 R)
• M17: 16,694,374 km (0.074 R)
• M18: 17,700,270 km (0.093 R)
• M19: 17,847,026 km (0.047 R)
• M20: 18,442,874 km (0.07 R)
• M21: 19,517,137 km (0.052 R)
• M22: 21,454,728 km (0.105 R)
• M23: 22,213,189 km (0.104 R)
• M24: 23,340,110 km (0.103 R)
• M25: 24,962,499 km (0.077 R)
• M26: 26,466,406 km (0.109 R)
• M27: 29,860,633 km (0.115 R)
• M28: 30,383,028 km (0.106 R)
• M29: 36,300,671 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.2

Radius: 3.7

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.06 AU - 10 AU

Year: 18095 Days

Day: 19.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,729,403 km

• M1: 46,525 km (0.111 R)
• M2: 230,830 km (0.093 R)
• M3: 408,402 km (0.114 R)
• M4: 565,330 km (0.06 R)
• M5: 953,238 km (0.117 R)
• M6: 1,367,474 km (0.101 R)
• M7: 2,966,376 km (0.065 R)
• M8: 3,535,297 km (0.101 R)
• M9: 5,006,442 km (0.034 R)
• M10: 6,293,283 km (0.12 R)
• M11: 7,461,942 km (0.097 R)
• M12: 9,311,869 km (0.066 R)
• M13: 9,592,066 km (0.058 R)
• M14: 10,872,025 km (0.119 R)
• M15: 13,231,632 km (0.071 R)
• M16: 14,067,885 km (0.061 R)
• M17: 15,066,151 km (0.062 R)
• M18: 15,911,230 km (0.074 R)
• M19: 17,342,283 km (0.068 R)
• M20: 21,010,722 km (0.065 R)
• M21: 23,322,906 km (0.095 R)
• M22: 23,494,346 km (0.063 R)
• M23: 24,628,746 km (0.113 R)
• M24: 24,984,939 km (0.079 R)
• M25: 25,525,735 km (0.112 R)
• M26: 25,799,050 km (0.115 R)
• M27: 36,641,754 km (0.029 R)
• M28: 38,046,030 km (0.071 R)
• M29: 40,713,210 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 11,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit