🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 12.7

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 561 Days

Day: 9.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,953,922 km

• M1: 157,975 km (0.047 R)
• M2: 630,705 km (0.072 R)
• M3: 1,204,861 km (0.1 R)
• M4: 1,599,800 km (0.059 R)
• M5: 2,356,316 km (0.071 R)
• M6: 2,988,666 km (0.104 R)
• M7: 3,704,941 km (0.097 R)
• M8: 4,706,050 km (0.053 R)
• M9: 5,167,709 km (0.103 R)
• M10: 5,641,485 km (0.062 R)
• M11: 6,144,134 km (0.12 R)
• M12: 6,737,738 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.3

Radius: 12.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.02 AU - 1.06 AU

Year: 685 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,953,922 km

• M1: 158,125 km (0.08 R)
• M2: 1,001,408 km (0.096 R)
• M3: 1,457,831 km (0.098 R)
• M4: 2,080,009 km (0.064 R)
• M5: 2,917,458 km (0.114 R)
• M6: 3,325,112 km (0.102 R)
• M7: 3,771,063 km (0.103 R)
• M8: 4,693,783 km (0.111 R)
• M9: 5,556,215 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 9.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.06 AU - 1.08 AU

Year: 715 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,953,922 km

• M1: 116,836 km (0.095 R)
• M2: 437,574 km (0.117 R)
• M3: 992,432 km (0.073 R)
• M4: 1,493,735 km (0.093 R)
• M5: 1,945,969 km (0.072 R)
• M6: 2,303,209 km (0.113 R)
• M7: 2,794,638 km (0.113 R)
• M8: 3,512,408 km (0.087 R)
• M9: 3,972,871 km (0.082 R)
• M10: 4,880,032 km (0.118 R)
• M11: 5,545,294 km (0.11 R)
• M12: 6,655,160 km (0.107 R)
• M13: 7,034,690 km (0.104 R)
• M14: 7,608,548 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.3

Radius: 12.1

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.85 AU - 1.99 AU

Year: 1718 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,953,922 km

• M1: 152,739 km (0.08 R)
• M2: 557,701 km (0.051 R)
• M3: 945,907 km (0.085 R)
• M4: 1,358,199 km (0.09 R)
• M5: 2,552,140 km (0.097 R)
• M6: 2,988,217 km (0.108 R)
• M7: 3,815,494 km (0.084 R)
• M8: 4,727,891 km (0.093 R)
• M9: 6,693,906 km (0.068 R)
• M10: 7,587,454 km (0.071 R)
• M11: 8,019,194 km (0.045 R)
• M12: 8,406,503 km (0.088 R)
• M13: 9,946,912 km (0.041 R)
• M14: 10,535,280 km (0.108 R)
• M15: 11,330,992 km (0.114 R)
• M16: 13,329,619 km (0.114 R)
• M17: 14,260,567 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 14.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.26 AU - 6.16 AU

Year: 8810 Days

Day: 12.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,953,922 km

• M1: 188,942 km (0.057 R)
• M2: 780,602 km (0.087 R)
• M3: 2,177,846 km (0.102 R)
• M4: 4,346,117 km (0.112 R)
• M5: 8,891,050 km (0.046 R)
• M6: 11,403,696 km (0.109 R)
• M7: 13,230,436 km (0.109 R)
• M8: 17,590,316 km (0.084 R)
• M9: 18,263,357 km (0.11 R)
• M10: 20,607,107 km (0.091 R)
• M11: 23,871,931 km (0.111 R)
• M12: 24,613,936 km (0.115 R)
• M13: 26,580,400 km (0.082 R)
• M14: 29,487,835 km (0.047 R)
• M15: 31,213,297 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.7

Radius: 3.3

Gravity: 62.51 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.44 AU - 7.87 AU

Year: 12345 Days

Day: 24.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,953,922 km

• M1: 45,478 km (0.071 R)
• M2: 161,865 km (0.119 R)
• M3: 288,125 km (0.064 R)
• M4: 1,482,066 km (0.114 R)
• M5: 1,946,717 km (0.106 R)
• M6: 3,204,386 km (0.071 R)
• M7: 7,251,607 km (0.08 R)
• M8: 8,798,449 km (0.081 R)
• M9: 9,443,964 km (0.094 R)
• M10: 12,100,673 km (0.051 R)
• M11: 12,281,536 km (0.115 R)
• M12: 14,057,862 km (0.072 R)
• M13: 14,190,854 km (0.099 R)
• M14: 15,076,473 km (0.11 R)
• M15: 23,712,310 km (0.063 R)
• M16: 25,643,768 km (0.101 R)
• M17: 28,520,236 km (0.114 R)
• M18: 32,874,581 km (0.028 R)
• M19: 33,581,431 km (0.064 R)
• M20: 37,268,570 km (0.102 R)
• M21: 39,341,098 km (0.108 R)
• M22: 40,405,637 km (0.102 R)
• M23: 55,043,340 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.9

Radius: 6.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.49 AU - 9.01 AU

Year: 13931 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,953,922 km

• M1: 86,617 km (0.105 R)
• M2: 738,415 km (0.042 R)
• M3: 1,204,263 km (0.109 R)
• M4: 1,647,222 km (0.038 R)
• M5: 5,271,679 km (0.101 R)
• M6: 5,505,501 km (0.111 R)
• M7: 5,869,173 km (0.112 R)
• M8: 6,088,633 km (0.076 R)
• M9: 10,031,584 km (0.113 R)
• M10: 22,658,991 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.3

Radius: 4.5

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.18 AU - 11.1 AU

Year: 17842 Days

Day: 23.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,953,922 km

• M1: 209,587 km (0.036 R)
• M2: 2,414,659 km (0.088 R)
• M3: 2,968,919 km (0.083 R)
• M4: 4,448,592 km (0.106 R)
• M5: 5,068,974 km (0.117 R)
• M6: 6,682,986 km (0.118 R)
• M7: 7,763,830 km (0.102 R)
• M8: 8,807,126 km (0.077 R)
• M9: 9,833,666 km (0.047 R)
• M10: 10,431,011 km (0.114 R)
• M11: 10,766,858 km (0.077 R)
• M12: 11,460,094 km (0.115 R)
• M13: 13,651,853 km (0.111 R)
• M14: 15,522,275 km (0.067 R)
• M15: 22,422,028 km (0.086 R)
• M16: 26,018,959 km (0.106 R)
• M17: 28,764,529 km (0.105 R)
• M18: 29,093,196 km (0.108 R)
• M19: 31,118,451 km (0.105 R)
• M20: 35,196,489 km (0.088 R)
• M21: 35,572,578 km (0.093 R)
• M22: 42,950,297 km (0.093 R)
• M23: 44,101,751 km (0.072 R)
• M24: 47,526,645 km (0.083 R)
• M25: 52,092,223 km (0.089 R)
• M26: 53,897,719 km (0.047 R)
• M27: 56,769,400 km (0.109 R)
• M28: 57,806,861 km (0.029 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980

Radius: 5

Gravity: 39.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.18 AU - 12.4 AU

Year: 21313 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,953,922 km

• M1: 62,382 km (0.105 R)
• M2: 232,625 km (0.084 R)
• M3: 478,564 km (0.091 R)
• M4: 704,756 km (0.097 R)
• M5: 878,140 km (0.098 R)
• M6: 1,149,809 km (0.112 R)
• M7: 1,475,633 km (0.106 R)
• M8: 1,688,212 km (0.107 R)
• M9: 2,310,539 km (0.099 R)
• M10: 2,548,699 km (0.111 R)
• M11: 3,894,631 km (0.053 R)
• M12: 4,061,133 km (0.025 R)
• M13: 4,408,799 km (0.066 R)
• M14: 4,663,714 km (0.04 R)
• M15: 6,590,385 km (0.11 R)
• M16: 6,972,458 km (0.098 R)
• M17: 8,649,599 km (0.073 R)
• M18: 9,824,541 km (0.057 R)
• M19: 10,450,159 km (0.107 R)
• M20: 12,414,230 km (0.098 R)
• M21: 16,098,526 km (0.095 R)
• M22: 16,790,715 km (0.098 R)
• M23: 17,055,204 km (0.108 R)
• M24: 17,412,444 km (0.092 R)
• M25: 22,412,903 km (0.101 R)
• M26: 25,760,305 km (0.12 R)
• M27: 30,329,024 km (0.102 R)
• M28: 30,985,010 km (0.091 R)
• M29: 33,984,447 km (0.107 R)
• M30: 35,121,391 km (0.08 R)
• M31: 36,578,026 km (0.083 R)
• M32: 38,837,552 km (0.063 R)
• M33: 42,643,771 km (0.119 R)
• M34: 56,323,748 km (0.086 R)
• M35: 57,713,662 km (0.094 R)
• M36: 58,316,242 km (0.056 R)
• M37: 58,518,049 km (0.04 R)
• M38: 60,355,261 km (0.106 R)
• M39: 63,929,902 km (0.096 R)
• M40: 83,165,495 km (0.112 R)
• M41: 85,225,757 km (0.066 R)
• M42: 89,448,008 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.9

Radius: 5.2

Gravity: 20.67 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 9.5 AU - 12.96 AU

Year: 24299 Days

Day: 23.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,953,922 km

• M1: 76,744 km (0.042 R)
• M2: 337,642 km (0.113 R)
• M3: 560,394 km (0.116 R)
• M4: 761,603 km (0.043 R)
• M5: 973,882 km (0.097 R)
• M6: 1,182,870 km (0.083 R)
• M7: 1,453,792 km (0.093 R)
• M8: 1,859,502 km (0.102 R)
• M9: 3,024,719 km (0.071 R)
• M10: 3,328,852 km (0.066 R)
• M11: 3,901,961 km (0.094 R)
• M12: 4,095,840 km (0.104 R)
• M13: 4,753,024 km (0.114 R)
• M14: 7,289,306 km (0.092 R)
• M15: 9,350,017 km (0.048 R)
• M16: 10,236,683 km (0.093 R)
• M17: 10,857,963 km (0.071 R)
• M18: 12,039,188 km (0.098 R)
• M19: 14,346,286 km (0.05 R)
• M20: 14,809,441 km (0.098 R)
• M21: 15,362,355 km (0.108 R)
• M22: 16,093,290 km (0.084 R)
• M23: 18,334,865 km (0.116 R)
• M24: 19,813,041 km (0.111 R)
• M25: 26,753,186 km (0.102 R)
• M26: 27,572,533 km (0.098 R)
• M27: 30,256,469 km (0.069 R)
• M28: 35,433,153 km (0.032 R)
• M29: 35,713,500 km (0.117 R)
• M30: 43,692,601 km (0.05 R)
• M31: 44,176,700 km (0.04 R)
• M32: 48,696,201 km (0.118 R)
• M33: 52,963,929 km (0.096 R)
• M34: 55,565,137 km (0.065 R)
• M35: 56,133,459 km (0.06 R)
• M36: 62,437,962 km (0.047 R)
• M37: 66,822,078 km (0.109 R)
• M38: 71,406,953 km (0.1 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 13,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit