🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.3

Radius: 12.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.78 AU - 0.98 AU

Year: 580 Days

Day: 10.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,163,429 km

• M1: 160,668 km (0.119 R)
• M2: 566,228 km (0.101 R)
• M3: 1,124,078 km (0.103 R)
• M4: 1,606,980 km (0.071 R)
• M5: 2,061,758 km (0.026 R)
• M6: 2,623,348 km (0.098 R)
• M7: 3,121,808 km (0.076 R)
• M8: 3,543,076 km (0.098 R)
• M9: 4,071,456 km (0.042 R)
• M10: 4,759,307 km (0.09 R)
• M11: 5,506,398 km (0.103 R)
• M12: 6,052,879 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 13.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.04 AU - 1.46 AU

Year: 982 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,163,429 km

• M1: 170,392 km (0.12 R)
• M2: 811,419 km (0.107 R)
• M3: 1,254,378 km (0.098 R)
• M4: 1,710,502 km (0.116 R)
• M5: 2,204,325 km (0.111 R)
• M6: 2,781,324 km (0.093 R)
• M7: 3,286,216 km (0.099 R)
• M8: 3,884,010 km (0.067 R)
• M9: 4,344,921 km (0.065 R)
• M10: 5,086,328 km (0.098 R)
• M11: 5,889,668 km (0.098 R)
• M12: 6,846,047 km (0.1 R)
• M13: 8,033,256 km (0.097 R)
• M14: 9,038,703 km (0.099 R)
• M15: 9,974,588 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.5

Radius: 11.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.39 AU - 1.47 AU

Year: 1202 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,163,429 km

• M1: 149,299 km (0.072 R)
• M2: 951,442 km (0.092 R)
• M3: 1,366,577 km (0.034 R)
• M4: 1,747,752 km (0.11 R)
• M5: 2,112,920 km (0.089 R)
• M6: 2,987,469 km (0.114 R)
• M7: 4,037,347 km (0.04 R)
• M8: 4,572,609 km (0.058 R)
• M9: 4,975,027 km (0.107 R)
• M10: 6,052,281 km (0.078 R)
• M11: 8,073,947 km (0.106 R)
• M12: 9,163,169 km (0.113 R)
• M13: 10,809,045 km (0.116 R)
• M14: 11,772,904 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.4

Radius: 9

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.09 AU - 2.81 AU

Year: 2696 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,163,429 km

• M1: 113,694 km (0.041 R)
• M2: 483,650 km (0.06 R)
• M3: 854,952 km (0.04 R)
• M4: 1,366,427 km (0.114 R)
• M5: 1,955,543 km (0.03 R)
• M6: 3,482,190 km (0.071 R)
• M7: 4,445,002 km (0.049 R)
• M8: 6,419,544 km (0.058 R)
• M9: 8,917,978 km (0.077 R)
• M10: 10,147,672 km (0.049 R)
• M11: 10,864,246 km (0.12 R)
• M12: 12,487,383 km (0.059 R)
• M13: 13,639,586 km (0.117 R)
• M14: 15,114,172 km (0.079 R)
• M15: 17,186,252 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 9.1

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.7 AU - 2.82 AU

Year: 3223 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,163,429 km

• M1: 113,395 km (0.115 R)
• M2: 475,123 km (0.102 R)
• M3: 826,678 km (0.089 R)
• M4: 1,812,677 km (0.103 R)
• M5: 2,416,305 km (0.119 R)
• M6: 3,753,859 km (0.089 R)
• M7: 4,640,526 km (0.051 R)
• M8: 5,767,746 km (0.056 R)
• M9: 6,181,384 km (0.104 R)
• M10: 8,730,981 km (0.119 R)
• M11: 9,962,021 km (0.104 R)
• M12: 14,446,966 km (0.106 R)
• M13: 16,986,539 km (0.08 R)
• M14: 18,776,478 km (0.099 R)
• M15: 21,202,656 km (0.084 R)
• M16: 22,457,034 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.3

Radius: 11.2

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3 AU - 3.12 AU

Year: 3763 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,163,429 km

• M1: 143,315 km (0.098 R)
• M2: 602,431 km (0.06 R)
• M3: 1,004,849 km (0.116 R)
• M4: 1,639,892 km (0.105 R)
• M5: 2,527,755 km (0.079 R)
• M6: 4,526,084 km (0.101 R)
• M7: 7,457,304 km (0.058 R)
• M8: 8,339,483 km (0.077 R)
• M9: 8,858,887 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 9.1

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.07 AU - 3.55 AU

Year: 4233 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,163,429 km

• M1: 113,246 km (0.118 R)
• M2: 426,055 km (0.049 R)
• M3: 847,622 km (0.095 R)
• M4: 1,201,420 km (0.056 R)
• M5: 1,630,318 km (0.075 R)
• M6: 2,410,620 km (0.114 R)
• M7: 2,937,653 km (0.087 R)
• M8: 3,600,222 km (0.118 R)
• M9: 4,221,802 km (0.106 R)
• M10: 7,019,282 km (0.053 R)
• M11: 9,547,187 km (0.119 R)
• M12: 9,986,855 km (0.117 R)
• M13: 11,036,433 km (0.094 R)
• M14: 11,387,390 km (0.047 R)
• M15: 11,836,483 km (0.119 R)
• M16: 13,011,125 km (0.108 R)
• M17: 13,502,105 km (0.072 R)
• M18: 14,573,376 km (0.111 R)
• M19: 15,866,051 km (0.075 R)
• M20: 17,174,883 km (0.116 R)
• M21: 18,370,469 km (0.06 R)
• M22: 19,366,043 km (0.066 R)
• M23: 20,266,323 km (0.114 R)
• M24: 20,926,349 km (0.098 R)
• M25: 21,668,803 km (0.068 R)
• M26: 22,011,980 km (0.117 R)
• M27: 23,565,554 km (0.106 R)
• M28: 24,517,296 km (0.039 R)
• M29: 25,266,482 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.5

Radius: 6.6

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.05 AU - 7.87 AU

Year: 11541 Days

Day: 24.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,163,429 km

• M1: 82,129 km (0.032 R)
• M2: 440,715 km (0.089 R)
• M3: 677,080 km (0.093 R)
• M4: 1,124,378 km (0.046 R)
• M5: 1,506,899 km (0.112 R)
• M6: 2,192,806 km (0.072 R)
• M7: 2,510,851 km (0.107 R)
• M8: 3,546,816 km (0.104 R)
• M9: 4,399,973 km (0.088 R)
• M10: 6,624,942 km (0.1 R)
• M11: 10,628,031 km (0.113 R)
• M12: 11,020,726 km (0.058 R)
• M13: 13,066,776 km (0.078 R)
• M14: 13,845,582 km (0.112 R)
• M15: 17,195,826 km (0.082 R)
• M16: 17,426,357 km (0.099 R)
• M17: 20,442,399 km (0.1 R)
• M18: 23,884,646 km (0.076 R)
• M19: 25,145,607 km (0.069 R)
• M20: 28,868,350 km (0.084 R)
• M21: 31,201,329 km (0.069 R)
• M22: 31,890,227 km (0.071 R)
• M23: 37,642,115 km (0.118 R)
• M24: 39,347,232 km (0.044 R)
• M25: 40,693,314 km (0.106 R)
• M26: 44,480,832 km (0.116 R)
• M27: 47,584,091 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.5

Radius: 4.4

Gravity: 33.45 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.77 AU - 6.99 AU

Year: 12685 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 31,163,429 km

• M1: 54,753 km (0.075 R)
• M2: 236,813 km (0.119 R)
• M3: 733,478 km (0.105 R)
• M4: 1,000,511 km (0.083 R)
• M5: 1,893,311 km (0.091 R)
• M6: 2,395,660 km (0.096 R)
• M7: 2,821,565 km (0.105 R)
• M8: 3,005,571 km (0.104 R)
• M9: 3,822,525 km (0.091 R)
• M10: 4,587,718 km (0.101 R)
• M11: 4,777,857 km (0.072 R)
• M12: 5,699,529 km (0.036 R)
• M13: 6,454,550 km (0.08 R)
• M14: 6,774,540 km (0.11 R)
• M15: 7,231,561 km (0.073 R)
• M16: 8,393,338 km (0.088 R)
• M17: 12,189,235 km (0.116 R)
• M18: 16,617,631 km (0.073 R)
• M19: 17,370,407 km (0.1 R)
• M20: 19,598,667 km (0.066 R)
• M21: 28,039,428 km (0.062 R)
• M22: 28,462,341 km (0.12 R)
• M23: 28,675,518 km (0.1 R)
• M24: 30,086,376 km (0.113 R)
• M25: 30,307,481 km (0.031 R)
• M26: 30,752,834 km (0.069 R)
• M27: 33,874,343 km (0.094 R)
• M28: 38,877,195 km (0.056 R)
• M29: 39,535,127 km (0.105 R)
• M30: 40,468,767 km (0.047 R)
• M31: 42,103,274 km (0.119 R)
• M32: 43,076,856 km (0.111 R)
• M33: 51,727,353 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 6.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.29 AU - 7.73 AU

Year: 13046 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,163,429 km

• M1: 85,271 km (0.062 R)
• M2: 324,627 km (0.054 R)
• M3: 544,387 km (0.117 R)
• M4: 1,286,990 km (0.113 R)
• M5: 1,502,262 km (0.088 R)
• M6: 2,445,476 km (0.071 R)
• M7: 2,927,630 km (0.091 R)
• M8: 5,361,737 km (0.11 R)
• M9: 6,925,933 km (0.072 R)
• M10: 7,923,451 km (0.089 R)
• M11: 9,594,310 km (0.058 R)
• M12: 17,091,407 km (0.109 R)
• M13: 19,370,381 km (0.103 R)
• M14: 20,266,024 km (0.114 R)
• M15: 21,189,042 km (0.064 R)
• M16: 22,890,120 km (0.094 R)
• M17: 23,890,780 km (0.04 R)
• M18: 26,310,974 km (0.093 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: 513 - 18,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit