🌌 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: 641.2

Radius: 13.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,687,086 km

• M1: 173,534 km (0.085 R)
• M2: 448,046 km (0.12 R)
• M3: 885,021 km (0.08 R)
• M4: 1,213,538 km (0.086 R)
• M5: 1,487,601 km (0.06 R)
• M6: 1,950,457 km (0.073 R)
• M7: 2,426,477 km (0.113 R)
• M8: 2,869,586 km (0.104 R)
• M9: 3,323,167 km (0.069 R)
• M10: 3,725,286 km (0.104 R)
• M11: 4,061,133 km (0.071 R)
• M12: 4,335,645 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 11.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.97 AU - 1.41 AU

Year: 866 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,687,086 km

• M1: 145,858 km (0.069 R)
• M2: 377,435 km (0.076 R)
• M3: 602,431 km (0.109 R)
• M4: 877,392 km (0.112 R)
• M5: 1,149,660 km (0.093 R)
• M6: 1,941,332 km (0.102 R)
• M7: 2,337,766 km (0.048 R)
• M8: 2,620,955 km (0.115 R)
• M9: 3,114,029 km (0.105 R)
• M10: 3,914,079 km (0.096 R)
• M11: 4,356,140 km (0.036 R)
• M12: 5,259,263 km (0.079 R)
• M13: 5,729,449 km (0.106 R)
• M14: 8,288,620 km (0.086 R)
• M15: 8,703,455 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 13.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.49 AU - 2.57 AU

Year: 2684 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,687,086 km

• M1: 173,683 km (0.028 R)
• M2: 439,818 km (0.091 R)
• M3: 909,405 km (0.111 R)
• M4: 1,231,789 km (0.078 R)
• M5: 2,368,134 km (0.1 R)
• M6: 4,252,020 km (0.081 R)
• M7: 4,640,227 km (0.049 R)
• M8: 4,952,288 km (0.079 R)
• M9: 5,430,552 km (0.026 R)
• M10: 7,478,398 km (0.042 R)
• M11: 9,081,189 km (0.077 R)
• M12: 9,703,367 km (0.052 R)
• M13: 10,319,411 km (0.111 R)
• M14: 11,208,620 km (0.111 R)
• M15: 11,929,233 km (0.089 R)
• M16: 12,223,792 km (0.078 R)
• M17: 13,720,219 km (0.115 R)
• M18: 14,356,160 km (0.116 R)
• M19: 15,975,856 km (0.116 R)
• M20: 17,718,821 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.6

Radius: 12.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.01 AU - 5.69 AU

Year: 7123 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,687,086 km

• M1: 166,502 km (0.108 R)
• M2: 621,729 km (0.114 R)
• M3: 1,609,075 km (0.112 R)
• M4: 3,976,760 km (0.077 R)
• M5: 4,760,803 km (0.036 R)
• M6: 6,236,286 km (0.099 R)
• M7: 6,528,451 km (0.117 R)
• M8: 7,195,059 km (0.09 R)
• M9: 7,530,308 km (0.099 R)
• M10: 9,923,276 km (0.099 R)
• M11: 10,417,098 km (0.072 R)
• M12: 12,052,352 km (0.066 R)
• M13: 14,273,731 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.6

Radius: 3.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.93 AU - 6.23 AU

Year: 9997 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,687,086 km

• M1: 85,121 km (0.115 R)
• M2: 327,171 km (0.108 R)
• M3: 495,169 km (0.096 R)
• M4: 1,064,239 km (0.108 R)
• M5: 1,767,200 km (0.026 R)
• M6: 1,851,274 km (0.09 R)
• M7: 2,552,439 km (0.073 R)
• M8: 2,756,939 km (0.112 R)
• M9: 5,598,401 km (0.105 R)
• M10: 6,950,616 km (0.094 R)
• M11: 8,847,966 km (0.11 R)
• M12: 9,009,681 km (0.03 R)
• M13: 10,590,183 km (0.108 R)
• M14: 10,767,157 km (0.114 R)
• M15: 11,337,125 km (0.038 R)
• M16: 13,564,637 km (0.101 R)
• M17: 14,546,149 km (0.119 R)
• M18: 17,583,435 km (0.042 R)
• M19: 18,582,000 km (0.038 R)
• M20: 18,934,154 km (0.05 R)
• M21: 19,170,668 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.3

Radius: 7.9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.31 AU - 7.95 AU

Year: 11384 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,687,086 km

• M1: 122,969 km (0.112 R)
• M2: 307,723 km (0.067 R)
• M3: 603,179 km (0.067 R)
• M4: 793,018 km (0.12 R)
• M5: 1,560,755 km (0.069 R)
• M6: 3,015,743 km (0.092 R)
• M7: 5,368,320 km (0.111 R)
• M8: 6,181,683 km (0.097 R)
• M9: 6,454,400 km (0.096 R)
• M10: 7,868,998 km (0.05 R)
• M11: 8,529,921 km (0.098 R)
• M12: 9,218,071 km (0.056 R)
• M13: 10,061,953 km (0.098 R)
• M14: 10,454,049 km (0.087 R)
• M15: 11,398,011 km (0.069 R)
• M16: 12,144,954 km (0.096 R)
• M17: 13,509,436 km (0.101 R)
• M18: 15,478,443 km (0.096 R)
• M19: 16,073,543 km (0.09 R)
• M20: 17,297,703 km (0.066 R)
• M21: 18,921,139 km (0.07 R)
• M22: 19,158,999 km (0.089 R)
• M23: 22,841,351 km (0.094 R)
• M24: 25,591,708 km (0.095 R)
• M25: 26,707,558 km (0.085 R)
• M26: 27,488,459 km (0.1 R)
• M27: 30,725,607 km (0.097 R)
• M28: 30,877,001 km (0.108 R)
• M29: 32,957,907 km (0.112 R)
• M30: 34,623,380 km (0.075 R)
• M31: 35,106,880 km (0.117 R)
• M32: 37,490,872 km (0.106 R)
• M33: 38,839,646 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 4.5

Gravity: 35.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.3 AU - 7.84 AU

Year: 12536 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 80,687,086 km

• M1: 56,249 km (0.109 R)
• M2: 233,821 km (0.079 R)
• M3: 333,902 km (0.085 R)
• M4: 1,637,947 km (0.116 R)
• M5: 1,753,586 km (0.062 R)
• M6: 2,147,029 km (0.067 R)
• M7: 2,324,901 km (0.082 R)
• M8: 3,405,446 km (0.089 R)
• M9: 3,773,307 km (0.054 R)
• M10: 6,047,344 km (0.072 R)
• M11: 6,195,745 km (0.084 R)
• M12: 6,768,406 km (0.052 R)
• M13: 6,964,828 km (0.068 R)
• M14: 7,244,875 km (0.073 R)
• M15: 8,595,295 km (0.052 R)
• M16: 8,861,430 km (0.102 R)
• M17: 9,086,275 km (0.028 R)
• M18: 9,268,336 km (0.089 R)
• M19: 9,919,536 km (0.119 R)
• M20: 10,014,381 km (0.057 R)
• M21: 11,037,630 km (0.085 R)
• M22: 13,016,361 km (0.104 R)
• M23: 15,334,979 km (0.045 R)
• M24: 15,690,273 km (0.071 R)
• M25: 15,809,653 km (0.095 R)
• M26: 15,989,469 km (0.095 R)
• M27: 16,966,044 km (0.094 R)
• M28: 18,485,360 km (0.073 R)
• M29: 18,940,736 km (0.098 R)
• M30: 19,534,490 km (0.09 R)
• M31: 24,689,782 km (0.045 R)
• M32: 24,839,530 km (0.08 R)
• M33: 26,439,329 km (0.07 R)
• M34: 28,408,935 km (0.09 R)
• M35: 33,078,483 km (0.041 R)
• M36: 35,367,330 km (0.09 R)
• M37: 38,756,769 km (0.108 R)
• M38: 38,944,514 km (0.105 R)
• M39: 39,321,052 km (0.089 R)
• M40: 39,984,519 km (0.115 R)
• M41: 41,038,436 km (0.119 R)
• M42: 41,231,567 km (0.064 R)
• M43: 46,206,145 km (0.106 R)
• M44: 52,332,028 km (0.114 R)
• M45: 54,310,759 km (0.049 R)
• M46: 54,866,964 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.1

Radius: 4.8

Gravity: 34.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.66 AU - 10.78 AU

Year: 20208 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 80,687,086 km

• M1: 66,272 km (0.049 R)
• M2: 303,534 km (0.114 R)
• M3: 550,221 km (0.029 R)
• M4: 669,899 km (0.071 R)
• M5: 866,022 km (0.073 R)
• M6: 1,107,473 km (0.074 R)
• M7: 1,464,563 km (0.051 R)
• M8: 1,873,863 km (0.095 R)
• M9: 2,417,352 km (0.089 R)
• M10: 2,789,402 km (0.096 R)
• M11: 3,349,646 km (0.117 R)
• M12: 4,742,552 km (0.102 R)
• M13: 6,201,580 km (0.12 R)
• M14: 7,028,856 km (0.114 R)
• M15: 7,908,342 km (0.078 R)
• M16: 8,009,171 km (0.119 R)
• M17: 9,216,426 km (0.045 R)
• M18: 10,860,207 km (0.074 R)
• M19: 11,277,286 km (0.12 R)
• M20: 11,580,072 km (0.081 R)
• M21: 14,214,790 km (0.044 R)
• M22: 14,829,338 km (0.102 R)
• M23: 15,882,806 km (0.092 R)
• M24: 19,339,414 km (0.088 R)
• M25: 20,703,149 km (0.104 R)
• M26: 22,537,368 km (0.096 R)
• M27: 26,717,133 km (0.032 R)
• M28: 35,929,968 km (0.086 R)
• M29: 38,113,349 km (0.071 R)
• M30: 42,556,405 km (0.109 R)
• M31: 45,050,501 km (0.044 R)
• M32: 45,412,528 km (0.106 R)
• M33: 47,987,855 km (0.112 R)
• M34: 50,762,148 km (0.069 R)
• M35: 53,090,040 km (0.113 R)
• M36: 53,745,877 km (0.112 R)
• M37: 54,141,414 km (0.092 R)
• M38: 55,203,110 km (0.113 R)
• M39: 55,336,552 km (0.038 R)
• M40: 56,950,413 km (0.09 R)
• M41: 58,587,463 km (0.109 R)
• M42: 60,108,424 km (0.088 R)
• M43: 64,355,957 km (0.046 R)
• M44: 66,241,488 km (0.082 R)
• M45: 66,827,164 km (0.086 R)
• M46: 77,652,365 km (0.06 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 17,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit