🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.4

Radius: 8.6

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.77 AU - 0.77 AU

Year: 458 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,753,599 km

• M1: 106,962 km (0.093 R)
• M2: 387,907 km (0.096 R)
• M3: 799,002 km (0.106 R)
• M4: 1,107,623 km (0.077 R)
• M5: 1,543,551 km (0.025 R)
• M6: 1,871,769 km (0.1 R)
• M7: 2,318,169 km (0.103 R)
• M8: 2,720,886 km (0.073 R)
• M9: 3,238,046 km (0.108 R)
• M10: 3,520,337 km (0.109 R)
• M11: 4,189,339 km (0.116 R)
• M12: 4,970,988 km (0.034 R)
• M13: 5,348,124 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 10.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.79 AU - 1.21 AU

Year: 678 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,753,599 km

• M1: 126,859 km (0.092 R)
• M2: 540,048 km (0.112 R)
• M3: 1,012,179 km (0.112 R)
• M4: 1,368,372 km (0.112 R)
• M5: 1,973,794 km (0.102 R)
• M6: 2,425,580 km (0.044 R)
• M7: 2,760,829 km (0.057 R)
• M8: 3,354,433 km (0.076 R)
• M9: 3,702,846 km (0.041 R)
• M10: 4,105,115 km (0.104 R)
• M11: 5,881,141 km (0.045 R)
• M12: 6,430,764 km (0.102 R)
• M13: 7,632,633 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 9.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.54 AU - 2.1 AU

Year: 1665 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,753,599 km

• M1: 121,922 km (0.1 R)
• M2: 430,842 km (0.065 R)
• M3: 779,405 km (0.071 R)
• M4: 1,089,372 km (0.114 R)
• M5: 1,501,514 km (0.105 R)
• M6: 1,941,032 km (0.098 R)
• M7: 2,607,192 km (0.087 R)
• M8: 3,171,176 km (0.104 R)
• M9: 3,645,999 km (0.066 R)
• M10: 4,113,343 km (0.12 R)
• M11: 4,899,330 km (0.098 R)
• M12: 5,274,671 km (0.113 R)
• M13: 5,579,851 km (0.105 R)
• M14: 6,492,847 km (0.086 R)
• M15: 7,777,593 km (0.1 R)
• M16: 8,174,028 km (0.101 R)
• M17: 9,798,361 km (0.092 R)
• M18: 11,664,296 km (0.111 R)
• M19: 12,758,754 km (0.091 R)
• M20: 13,111,954 km (0.1 R)
• M21: 13,552,520 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.8

Radius: 14.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.55 AU - 2.75 AU

Year: 2926 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,753,599 km

• M1: 177,872 km (0.114 R)
• M2: 644,168 km (0.066 R)
• M3: 1,288,786 km (0.111 R)
• M4: 2,130,573 km (0.084 R)
• M5: 3,530,211 km (0.07 R)
• M6: 4,746,441 km (0.114 R)
• M7: 5,209,147 km (0.111 R)
• M8: 6,012,787 km (0.109 R)
• M9: 8,221,749 km (0.119 R)
• M10: 11,906,943 km (0.118 R)
• M11: 12,635,335 km (0.116 R)
• M12: 13,212,185 km (0.091 R)
• M13: 15,049,247 km (0.091 R)
• M14: 18,032,976 km (0.098 R)
• M15: 19,693,363 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.5

Radius: 13.8

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.77 AU - 5.83 AU

Year: 7133 Days

Day: 8.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,753,599 km

• M1: 171,738 km (0.059 R)
• M2: 765,193 km (0.105 R)
• M3: 1,832,424 km (0.104 R)
• M4: 2,772,647 km (0.089 R)
• M5: 3,715,263 km (0.055 R)
• M6: 4,328,914 km (0.094 R)
• M7: 5,344,683 km (0.087 R)
• M8: 6,027,149 km (0.104 R)
• M9: 7,102,309 km (0.12 R)
• M10: 7,887,697 km (0.082 R)
• M11: 8,686,849 km (0.079 R)
• M12: 13,283,693 km (0.073 R)
• M13: 13,752,682 km (0.103 R)
• M14: 16,667,447 km (0.111 R)
• M15: 17,842,089 km (0.085 R)
• M16: 18,997,284 km (0.117 R)
• M17: 22,513,881 km (0.111 R)
• M18: 25,803,838 km (0.103 R)
• M19: 28,715,461 km (0.108 R)
• M20: 33,429,739 km (0.083 R)
• M21: 36,998,097 km (0.119 R)
• M22: 39,957,142 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.1

Radius: 6.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.02 AU - 6.42 AU

Year: 9279 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,753,599 km

• M1: 89,759 km (0.088 R)
• M2: 502,798 km (0.086 R)
• M3: 961,017 km (0.079 R)
• M4: 1,693,149 km (0.111 R)
• M5: 2,169,020 km (0.07 R)
• M6: 2,610,932 km (0.105 R)
• M7: 3,284,720 km (0.099 R)
• M8: 3,588,853 km (0.03 R)
• M9: 3,911,685 km (0.109 R)
• M10: 5,155,891 km (0.108 R)
• M11: 5,623,833 km (0.119 R)
• M12: 6,332,029 km (0.086 R)
• M13: 6,675,805 km (0.103 R)
• M14: 10,353,519 km (0.107 R)
• M15: 14,539,417 km (0.114 R)
• M16: 15,359,662 km (0.037 R)
• M17: 15,696,407 km (0.106 R)
• M18: 16,326,364 km (0.094 R)
• M19: 16,735,813 km (0.106 R)
• M20: 18,005,749 km (0.119 R)
• M21: 20,599,926 km (0.083 R)
• M22: 20,803,977 km (0.104 R)
• M23: 23,065,598 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.8

Radius: 5.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.04 AU - 9.5 AU

Year: 14690 Days

Day: 24.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,753,599 km

• M1: 68,366 km (0.092 R)
• M2: 704,307 km (0.102 R)
• M3: 886,068 km (0.117 R)
• M4: 2,548,549 km (0.039 R)
• M5: 4,926,557 km (0.091 R)
• M6: 5,480,967 km (0.054 R)
• M7: 6,011,441 km (0.06 R)
• M8: 7,393,875 km (0.077 R)
• M9: 11,107,044 km (0.105 R)
• M10: 11,302,718 km (0.086 R)
• M11: 21,761,553 km (0.106 R)
• M12: 22,377,747 km (0.058 R)
• M13: 27,911,372 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.3

Radius: 8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.15 AU - 9.55 AU

Year: 14917 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,753,599 km

• M1: 100,231 km (0.071 R)
• M2: 385,813 km (0.102 R)
• M3: 931,247 km (0.109 R)
• M4: 1,586,635 km (0.104 R)
• M5: 1,923,380 km (0.077 R)
• M6: 2,307,547 km (0.031 R)
• M7: 2,955,156 km (0.109 R)
• M8: 3,578,082 km (0.067 R)
• M9: 5,048,031 km (0.076 R)
• M10: 5,591,968 km (0.066 R)
• M11: 5,859,001 km (0.092 R)
• M12: 6,754,045 km (0.095 R)
• M13: 8,312,256 km (0.106 R)
• M14: 12,700,710 km (0.035 R)
• M15: 13,365,074 km (0.114 R)
• M16: 15,496,993 km (0.107 R)
• M17: 17,197,771 km (0.095 R)
• M18: 17,601,087 km (0.09 R)
• M19: 18,763,762 km (0.118 R)
• M20: 19,277,481 km (0.111 R)
• M21: 23,335,024 km (0.069 R)
• M22: 24,229,918 km (0.064 R)
• M23: 28,373,480 km (0.077 R)
• M24: 39,130,165 km (0.059 R)
• M25: 40,676,259 km (0.107 R)
• M26: 40,961,692 km (0.035 R)
• M27: 43,145,073 km (0.098 R)
• M28: 46,175,328 km (0.057 R)
• M29: 49,995,459 km (0.111 R)
• M30: 59,901,680 km (0.069 R)
• M31: 60,828,439 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.9

Radius: 6.9

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.73 AU - 10.27 AU

Year: 16808 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 78.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,753,599 km

• M1: 85,869 km (0.049 R)
• M2: 996,023 km (0.049 R)
• M3: 1,814,772 km (0.092 R)
• M4: 2,209,561 km (0.048 R)
• M5: 3,018,287 km (0.043 R)
• M6: 4,580,537 km (0.098 R)
• M7: 5,460,621 km (0.047 R)
• M8: 5,803,649 km (0.078 R)
• M9: 6,040,164 km (0.088 R)
• M10: 6,365,689 km (0.12 R)
• M11: 6,745,817 km (0.117 R)
• M12: 7,881,265 km (0.084 R)
• M13: 8,122,865 km (0.062 R)
• M14: 8,825,676 km (0.11 R)
• M15: 9,192,041 km (0.109 R)
• M16: 10,759,528 km (0.086 R)
• M17: 11,544,617 km (0.105 R)
• M18: 13,026,384 km (0.064 R)
• M19: 13,364,475 km (0.037 R)
• M20: 14,775,931 km (0.116 R)
• M21: 15,143,792 km (0.045 R)
• M22: 16,755,859 km (0.079 R)
• M23: 17,075,400 km (0.101 R)
• M24: 17,480,511 km (0.111 R)
• M25: 17,975,231 km (0.111 R)
• M26: 22,177,735 km (0.09 R)
• M27: 22,660,188 km (0.068 R)
• M28: 23,446,325 km (0.101 R)
• M29: 29,120,871 km (0.098 R)
• M30: 32,212,311 km (0.051 R)
• M31: 33,710,235 km (0.084 R)
• M32: 36,175,907 km (0.057 R)
• M33: 39,038,312 km (0.114 R)
• M34: 40,167,327 km (0.066 R)
• M35: 40,452,910 km (0.104 R)
• M36: 41,608,853 km (0.094 R)
• M37: 45,984,291 km (0.063 R)
• M38: 59,069,168 km (0.089 R)
• M39: 60,182,027 km (0.058 R)
• M40: 65,560,818 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit