🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 11.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 12.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,363,704 km

• M1: 143,016 km (0.115 R)
• M2: 511,026 km (0.118 R)
• M3: 895,493 km (0.114 R)
• M4: 1,482,964 km (0.03 R)
• M5: 2,475,546 km (0.087 R)
• M6: 2,978,344 km (0.09 R)
• M7: 3,515,849 km (0.094 R)
• M8: 3,972,571 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.9

Radius: 9.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.16 AU - 1.28 AU

Year: 899 Days

Day: 11 Hours

Environment

Temp: -174 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,363,704 km

• M1: 119,529 km (0.075 R)
• M2: 466,446 km (0.077 R)
• M3: 1,139,038 km (0.072 R)
• M4: 1,779,317 km (0.116 R)
• M5: 2,230,654 km (0.054 R)
• M6: 2,613,026 km (0.042 R)
• M7: 2,928,378 km (0.109 R)
• M8: 3,352,488 km (0.112 R)
• M9: 3,830,453 km (0.101 R)
• M10: 4,425,554 km (0.027 R)
• M11: 5,001,655 km (0.08 R)
• M12: 5,390,759 km (0.104 R)
• M13: 5,905,526 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 14.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.66 AU - 1.92 AU

Year: 1597 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,363,704 km

• M1: 185,950 km (0.111 R)
• M2: 652,696 km (0.118 R)
• M3: 1,829,582 km (0.116 R)
• M4: 2,395,361 km (0.078 R)
• M5: 2,870,334 km (0.095 R)
• M6: 3,344,111 km (0.105 R)
• M7: 4,107,509 km (0.067 R)
• M8: 4,963,807 km (0.1 R)
• M9: 5,984,663 km (0.072 R)
• M10: 7,196,106 km (0.1 R)
• M11: 8,534,708 km (0.071 R)
• M12: 9,794,771 km (0.058 R)
• M13: 13,464,706 km (0.07 R)
• M14: 14,191,303 km (0.108 R)
• M15: 14,853,872 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 10.1

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.41 AU - 4.03 AU

Year: 4785 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,363,704 km

• M1: 126,261 km (0.041 R)
• M2: 450,290 km (0.043 R)
• M3: 1,074,861 km (0.049 R)
• M4: 1,404,874 km (0.079 R)
• M5: 1,803,702 km (0.085 R)
• M6: 2,167,374 km (0.111 R)
• M7: 3,164,593 km (0.103 R)
• M8: 3,676,068 km (0.118 R)
• M9: 4,119,477 km (0.113 R)
• M10: 6,724,125 km (0.085 R)
• M11: 8,330,806 km (0.106 R)
• M12: 9,350,166 km (0.062 R)
• M13: 10,179,088 km (0.083 R)
• M14: 12,337,037 km (0.114 R)
• M15: 13,495,822 km (0.111 R)
• M16: 14,439,934 km (0.082 R)
• M17: 15,132,423 km (0.061 R)
• M18: 17,343,330 km (0.098 R)
• M19: 17,666,461 km (0.04 R)
• M20: 19,136,859 km (0.056 R)
• M21: 20,399,166 km (0.085 R)
• M22: 21,941,071 km (0.113 R)
• M23: 23,011,294 km (0.098 R)
• M24: 23,956,005 km (0.085 R)
• M25: 25,838,694 km (0.107 R)
• M26: 29,711,484 km (0.078 R)
• M27: 31,689,616 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 14.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.17 AU - 4.91 AU

Year: 5415 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,363,704 km

• M1: 181,612 km (0.107 R)
• M2: 741,706 km (0.115 R)
• M3: 1,698,385 km (0.095 R)
• M4: 2,403,589 km (0.095 R)
• M5: 3,218,449 km (0.116 R)
• M6: 3,859,625 km (0.07 R)
• M7: 4,846,821 km (0.104 R)
• M8: 6,152,212 km (0.099 R)
• M9: 8,672,637 km (0.042 R)
• M10: 9,619,891 km (0.108 R)
• M11: 12,065,218 km (0.064 R)
• M12: 14,389,969 km (0.086 R)
• M13: 16,258,745 km (0.057 R)
• M14: 17,251,776 km (0.097 R)
• M15: 18,549,238 km (0.095 R)
• M16: 20,545,173 km (0.1 R)
• M17: 21,120,078 km (0.115 R)
• M18: 21,631,852 km (0.089 R)
• M19: 24,157,513 km (0.118 R)
• M20: 25,122,868 km (0.119 R)
• M21: 26,874,061 km (0.113 R)
• M22: 27,910,475 km (0.043 R)
• M23: 28,705,288 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 11.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.08 AU - 6.5 AU

Year: 8114 Days

Day: 8.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,363,704 km

• M1: 145,559 km (0.119 R)
• M2: 696,677 km (0.051 R)
• M3: 1,620,295 km (0.09 R)
• M4: 1,985,762 km (0.086 R)
• M5: 3,125,698 km (0.039 R)
• M6: 3,859,475 km (0.083 R)
• M7: 5,590,772 km (0.07 R)
• M8: 6,212,800 km (0.102 R)
• M9: 7,216,452 km (0.077 R)
• M10: 10,393,162 km (0.079 R)
• M11: 10,918,401 km (0.056 R)
• M12: 12,198,510 km (0.112 R)
• M13: 14,500,821 km (0.099 R)
• M14: 17,983,160 km (0.073 R)
• M15: 19,886,943 km (0.093 R)
• M16: 21,079,088 km (0.026 R)
• M17: 21,987,446 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.7

Radius: 4.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.58 AU - 6.68 AU

Year: 11384 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,363,704 km

• M1: 58,493 km (0.088 R)
• M2: 225,444 km (0.059 R)
• M3: 406,457 km (0.092 R)
• M4: 574,306 km (0.109 R)
• M5: 877,691 km (0.046 R)
• M6: 1,047,035 km (0.046 R)
• M7: 1,314,367 km (0.082 R)
• M8: 1,639,144 km (0.103 R)
• M9: 2,090,929 km (0.075 R)
• M10: 2,603,901 km (0.097 R)
• M11: 3,405,596 km (0.104 R)
• M12: 3,623,859 km (0.096 R)
• M13: 3,805,171 km (0.112 R)
• M14: 3,968,682 km (0.091 R)
• M15: 5,540,208 km (0.12 R)
• M16: 7,304,415 km (0.089 R)
• M17: 8,005,132 km (0.085 R)
• M18: 10,603,347 km (0.114 R)
• M19: 11,164,040 km (0.041 R)
• M20: 11,646,045 km (0.077 R)
• M21: 13,228,790 km (0.085 R)
• M22: 13,933,246 km (0.081 R)
• M23: 19,579,220 km (0.107 R)
• M24: 20,067,806 km (0.088 R)
• M25: 23,482,677 km (0.034 R)
• M26: 23,796,832 km (0.071 R)
• M27: 24,999,450 km (0.061 R)
• M28: 25,906,910 km (0.103 R)
• M29: 27,787,056 km (0.045 R)
• M30: 30,587,977 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.4

Radius: 6.8

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.24 AU - 7.8 AU

Year: 13752 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,363,704 km

• M1: 85,420 km (0.117 R)
• M2: 323,131 km (0.039 R)
• M3: 553,961 km (0.109 R)
• M4: 849,566 km (0.11 R)
• M5: 1,369,868 km (0.033 R)
• M6: 2,047,546 km (0.113 R)
• M7: 2,790,000 km (0.097 R)
• M8: 3,073,787 km (0.074 R)
• M9: 3,562,524 km (0.109 R)
• M10: 4,596,843 km (0.108 R)
• M11: 5,705,962 km (0.081 R)
• M12: 6,009,197 km (0.045 R)
• M13: 7,643,554 km (0.095 R)
• M14: 10,591,080 km (0.092 R)
• M15: 15,205,427 km (0.085 R)
• M16: 16,085,960 km (0.091 R)
• M17: 16,691,682 km (0.084 R)
• M18: 17,549,177 km (0.095 R)
• M19: 17,948,453 km (0.094 R)
• M20: 19,267,159 km (0.079 R)
• M21: 26,945,868 km (0.098 R)
• M22: 28,124,549 km (0.079 R)
• M23: 28,671,479 km (0.1 R)
• M24: 33,548,968 km (0.117 R)
• M25: 34,412,297 km (0.116 R)
• M26: 36,183,237 km (0.063 R)
• M27: 45,205,335 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 4.8

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.04 AU - 9.04 AU

Year: 16642 Days

Day: 16.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,363,704 km

• M1: 59,839 km (0.056 R)
• M2: 243,246 km (0.116 R)
• M3: 430,692 km (0.117 R)
• M4: 651,499 km (0.083 R)
• M5: 1,029,682 km (0.101 R)
• M6: 1,261,559 km (0.06 R)
• M7: 1,895,704 km (0.098 R)
• M8: 4,372,895 km (0.111 R)
• M9: 7,313,242 km (0.107 R)
• M10: 9,089,866 km (0.047 R)
• M11: 9,575,161 km (0.042 R)
• M12: 11,135,168 km (0.038 R)
• M13: 12,090,350 km (0.112 R)
• M14: 12,677,073 km (0.119 R)
• M15: 14,034,524 km (0.048 R)
• M16: 14,947,071 km (0.102 R)
• M17: 30,322,292 km (0.111 R)
• M18: 32,958,655 km (0.078 R)
• M19: 35,387,526 km (0.116 R)
• M20: 37,562,230 km (0.105 R)
• M21: 37,809,216 km (0.048 R)
• M22: 40,728,170 km (0.1 R)
• M23: 41,250,566 km (0.105 R)
• M24: 42,308,971 km (0.099 R)
• M25: 46,155,880 km (0.106 R)
• M26: 47,440,327 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.3

Radius: 3.4

Gravity: 55.56 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.8 AU - 10.7 AU

Year: 18760 Days

Day: 24.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,363,704 km

• M1: 58,493 km (0.101 R)
• M2: 171,738 km (0.106 R)
• M3: 424,559 km (0.094 R)
• M4: 563,086 km (0.119 R)
• M5: 1,065,735 km (0.091 R)
• M6: 1,493,436 km (0.074 R)
• M7: 1,641,687 km (0.052 R)
• M8: 1,799,812 km (0.113 R)
• M9: 2,747,664 km (0.109 R)
• M10: 4,080,731 km (0.091 R)
• M11: 6,849,488 km (0.093 R)
• M12: 9,784,150 km (0.075 R)
• M13: 11,210,565 km (0.058 R)
• M14: 14,541,811 km (0.069 R)
• M15: 15,141,698 km (0.059 R)
• M16: 17,122,523 km (0.083 R)
• M17: 19,180,392 km (0.112 R)
• M18: 21,493,175 km (0.098 R)
• M19: 29,891,001 km (0.091 R)
• M20: 30,372,407 km (0.036 R)
• M21: 32,476,202 km (0.118 R)
• M22: 38,794,019 km (0.106 R)
• M23: 39,655,104 km (0.104 R)
• M24: 48,150,468 km (0.109 R)
• M25: 50,152,387 km (0.081 R)
• M26: 50,321,732 km (0.101 R)
• M27: 50,491,376 km (0.065 R)
• M28: 51,862,440 km (0.091 R)
• M29: 60,998,532 km (0.075 R)
• M30: 65,135,362 km (0.115 R)
• M31: 70,936,618 km (0.075 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: 387 - 19,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit