🌌 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 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.5 AU - 0.64 AU

Year: 274 Days

Day: 32.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,437,062 km

• M1: 10,621 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604

Radius: 9.7

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 388 Days

Day: 5.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,437,062 km

• M1: 120,576 km (0.069 R)
• M2: 605,871 km (0.098 R)
• M3: 1,535,323 km (0.102 R)
• M4: 2,141,045 km (0.088 R)
• M5: 2,622,002 km (0.073 R)
• M6: 2,971,313 km (0.108 R)
• M7: 3,888,497 km (0.072 R)
• M8: 4,237,509 km (0.061 R)
• M9: 4,692,436 km (0.089 R)
• M10: 5,028,583 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 15

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.69 AU - 1.79 AU

Year: 1459 Days

Day: 6.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,437,062 km

• M1: 209,587 km (0.079 R)
• M2: 747,241 km (0.104 R)
• M3: 1,308,832 km (0.055 R)
• M4: 1,926,821 km (0.046 R)
• M5: 2,462,979 km (0.056 R)
• M6: 3,217,850 km (0.111 R)
• M7: 4,203,401 km (0.089 R)
• M8: 4,865,072 km (0.12 R)
• M9: 5,382,382 km (0.061 R)
• M10: 6,975,749 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.7

Radius: 8

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.01 AU - 4.11 AU

Year: 4271 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,437,062 km

• M1: 101,128 km (0.098 R)
• M2: 410,197 km (0.086 R)
• M3: 673,041 km (0.03 R)
• M4: 1,027,289 km (0.109 R)
• M5: 1,279,062 km (0.091 R)
• M6: 2,754,546 km (0.027 R)
• M7: 3,078,575 km (0.107 R)
• M8: 3,367,897 km (0.066 R)
• M9: 5,204,360 km (0.048 R)
• M10: 6,110,026 km (0.115 R)
• M11: 6,758,981 km (0.081 R)
• M12: 7,799,883 km (0.086 R)
• M13: 9,138,336 km (0.038 R)
• M14: 9,657,440 km (0.112 R)
• M15: 10,494,141 km (0.115 R)
• M16: 11,018,930 km (0.038 R)
• M17: 11,699,301 km (0.081 R)
• M18: 12,215,863 km (0.087 R)
• M19: 13,344,878 km (0.091 R)
• M20: 14,435,147 km (0.112 R)
• M21: 14,703,376 km (0.079 R)
• M22: 15,416,061 km (0.086 R)
• M23: 16,557,193 km (0.107 R)
• M24: 17,328,520 km (0.111 R)
• M25: 20,317,784 km (0.11 R)
• M26: 21,339,837 km (0.033 R)
• M27: 22,827,737 km (0.106 R)
• M28: 23,560,169 km (0.071 R)
• M29: 24,764,282 km (0.117 R)
• M30: 26,888,572 km (0.111 R)
• M31: 27,376,560 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.9

Radius: 9.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.74 AU - 4.56 AU

Year: 4434 Days

Day: 8.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,437,062 km

• M1: 114,442 km (0.052 R)
• M2: 425,456 km (0.081 R)
• M3: 761,603 km (0.106 R)
• M4: 1,223,411 km (0.044 R)
• M5: 1,852,321 km (0.059 R)
• M6: 2,571,139 km (0.091 R)
• M7: 3,201,095 km (0.064 R)
• M8: 4,278,499 km (0.114 R)
• M9: 4,766,637 km (0.12 R)
• M10: 5,369,516 km (0.08 R)
• M11: 6,222,374 km (0.098 R)
• M12: 6,575,724 km (0.11 R)
• M13: 7,851,794 km (0.112 R)
• M14: 9,670,006 km (0.105 R)
• M15: 10,347,535 km (0.098 R)
• M16: 12,021,386 km (0.116 R)
• M17: 12,946,349 km (0.079 R)
• M18: 13,670,702 km (0.051 R)
• M19: 14,472,846 km (0.027 R)
• M20: 15,519,283 km (0.105 R)
• M21: 18,414,899 km (0.105 R)
• M22: 19,455,203 km (0.102 R)
• M23: 22,397,494 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 11.6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.86 AU - 4.08 AU

Year: 5029 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,437,062 km

• M1: 144,212 km (0.073 R)
• M2: 590,463 km (0.08 R)
• M3: 1,221,616 km (0.044 R)
• M4: 1,644,081 km (0.104 R)
• M5: 2,119,652 km (0.039 R)
• M6: 3,054,190 km (0.037 R)
• M7: 3,519,290 km (0.105 R)
• M8: 3,916,023 km (0.078 R)
• M9: 4,592,954 km (0.096 R)
• M10: 5,634,753 km (0.115 R)
• M11: 6,338,163 km (0.089 R)
• M12: 6,794,286 km (0.102 R)
• M13: 8,882,972 km (0.116 R)
• M14: 9,248,140 km (0.098 R)
• M15: 10,271,390 km (0.117 R)
• M16: 10,948,320 km (0.079 R)
• M17: 12,291,410 km (0.093 R)
• M18: 13,687,756 km (0.031 R)
• M19: 14,396,551 km (0.093 R)
• M20: 16,006,374 km (0.116 R)
• M21: 20,201,098 km (0.098 R)
• M22: 22,588,231 km (0.082 R)
• M23: 24,996,458 km (0.112 R)
• M24: 25,400,372 km (0.119 R)
• M25: 28,002,477 km (0.102 R)
• M26: 29,323,127 km (0.069 R)
• M27: 30,317,804 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 12.5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.36 AU - 4.62 AU

Year: 6049 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,437,062 km

• M1: 155,731 km (0.056 R)
• M2: 568,472 km (0.11 R)
• M3: 1,542,952 km (0.099 R)
• M4: 1,940,434 km (0.081 R)
• M5: 2,567,548 km (0.11 R)
• M6: 3,155,169 km (0.048 R)
• M7: 4,102,422 km (0.111 R)
• M8: 5,473,188 km (0.04 R)
• M9: 6,731,605 km (0.075 R)
• M10: 7,581,919 km (0.068 R)
• M11: 8,586,020 km (0.083 R)
• M12: 9,318,003 km (0.096 R)
• M13: 10,759,827 km (0.118 R)
• M14: 11,922,202 km (0.091 R)
• M15: 13,391,403 km (0.079 R)
• M16: 13,965,111 km (0.069 R)
• M17: 17,419,026 km (0.089 R)
• M18: 18,102,988 km (0.094 R)
• M19: 21,096,741 km (0.092 R)
• M20: 22,670,660 km (0.064 R)
• M21: 23,651,723 km (0.092 R)
• M22: 25,262,892 km (0.081 R)
• M23: 25,874,597 km (0.068 R)
• M24: 26,317,407 km (0.081 R)
• M25: 29,850,909 km (0.033 R)
• M26: 31,832,183 km (0.091 R)
• M27: 36,165,285 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.2

Radius: 4.8

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.35 AU - 8.41 AU

Year: 15424 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,437,062 km

• M1: 59,690 km (0.112 R)
• M2: 1,005,298 km (0.086 R)
• M3: 2,092,276 km (0.098 R)
• M4: 3,191,222 km (0.059 R)
• M5: 5,402,727 km (0.057 R)
• M6: 6,879,557 km (0.08 R)
• M7: 8,194,822 km (0.065 R)
• M8: 10,442,380 km (0.095 R)
• M9: 10,708,964 km (0.095 R)
• M10: 11,256,043 km (0.103 R)
• M11: 23,076,668 km (0.103 R)
• M12: 23,987,420 km (0.099 R)
• M13: 30,825,988 km (0.096 R)
• M14: 33,866,564 km (0.102 R)
• M15: 35,759,725 km (0.09 R)
• M16: 44,038,322 km (0.102 R)
• M17: 45,720,700 km (0.104 R)
• M18: 46,005,085 km (0.049 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 6.2

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.59 AU - 11.23 AU

Year: 18353 Days

Day: 23.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,437,062 km

• M1: 77,043 km (0.115 R)
• M2: 274,811 km (0.065 R)
• M3: 507,735 km (0.081 R)
• M4: 1,080,545 km (0.069 R)
• M5: 1,489,546 km (0.073 R)
• M6: 2,098,409 km (0.076 R)
• M7: 2,379,653 km (0.045 R)
• M8: 2,912,820 km (0.111 R)
• M9: 3,733,364 km (0.115 R)
• M10: 4,662,966 km (0.106 R)
• M11: 4,880,780 km (0.089 R)
• M12: 5,415,443 km (0.117 R)
• M13: 6,510,948 km (0.106 R)
• M14: 9,942,424 km (0.03 R)
• M15: 10,549,941 km (0.098 R)
• M16: 11,053,487 km (0.11 R)
• M17: 15,037,728 km (0.118 R)
• M18: 19,044,407 km (0.105 R)
• M19: 22,762,812 km (0.104 R)
• M20: 26,821,851 km (0.089 R)
• M21: 28,115,723 km (0.068 R)
• M22: 32,115,671 km (0.108 R)
• M23: 33,843,526 km (0.089 R)
• M24: 39,397,497 km (0.078 R)
• M25: 44,061,659 km (0.108 R)
• M26: 47,536,818 km (0.113 R)
• M27: 58,659,569 km (0.07 R)
• M28: 63,678,278 km (0.051 R)
• M29: 64,299,110 km (0.111 R)
• M30: 67,678,525 km (0.034 R)
• M31: 68,758,323 km (0.11 R)
• M32: 71,174,478 km (0.092 R)
• M33: 74,330,544 km (0.109 R)
• M34: 76,874,905 km (0.066 R)
• M35: 78,286,810 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 16,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit