🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.4

Radius: 9.8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.78 AU - 0.86 AU

Year: 495 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,758,992 km

• M1: 121,922 km (0.079 R)
• M2: 434,133 km (0.034 R)
• M3: 931,845 km (0.114 R)
• M4: 1,450,651 km (0.103 R)
• M5: 1,931,159 km (0.06 R)
• M6: 2,295,729 km (0.047 R)
• M7: 2,727,917 km (0.067 R)
• M8: 3,401,108 km (0.064 R)
• M9: 3,867,105 km (0.12 R)
• M10: 4,255,162 km (0.063 R)
• M11: 5,614,408 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 13.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.02 AU - 1.18 AU

Year: 769 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,758,992 km

• M1: 173,234 km (0.049 R)
• M2: 678,576 km (0.116 R)
• M3: 1,118,543 km (0.067 R)
• M4: 2,843,108 km (0.081 R)
• M5: 3,434,169 km (0.11 R)
• M6: 3,872,939 km (0.083 R)
• M7: 4,483,149 km (0.072 R)
• M8: 4,937,179 km (0.107 R)
• M9: 5,421,876 km (0.072 R)
• M10: 6,358,209 km (0.103 R)
• M11: 6,797,727 km (0.116 R)
• M12: 7,281,228 km (0.074 R)
• M13: 8,011,864 km (0.05 R)
• M14: 8,684,156 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 10.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.13 AU - 1.43 AU

Year: 966 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,758,992 km

• M1: 132,843 km (0.085 R)
• M2: 707,299 km (0.073 R)
• M3: 1,664,276 km (0.061 R)
• M4: 2,151,068 km (0.072 R)
• M5: 2,995,697 km (0.046 R)
• M6: 3,844,516 km (0.12 R)
• M7: 4,231,525 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 8.1

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.53 AU - 5.31 AU

Year: 6197 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,758,992 km

• M1: 100,829 km (0.116 R)
• M2: 494,870 km (0.103 R)
• M3: 763,099 km (0.047 R)
• M4: 1,424,621 km (0.103 R)
• M5: 1,811,630 km (0.071 R)
• M6: 2,167,224 km (0.095 R)
• M7: 2,495,741 km (0.079 R)
• M8: 3,124,501 km (0.101 R)
• M9: 3,545,320 km (0.063 R)
• M10: 4,555,255 km (0.099 R)
• M11: 5,586,433 km (0.111 R)
• M12: 5,973,443 km (0.115 R)
• M13: 6,587,542 km (0.094 R)
• M14: 7,356,475 km (0.105 R)
• M15: 7,821,874 km (0.063 R)
• M16: 8,265,731 km (0.117 R)
• M17: 11,038,079 km (0.099 R)
• M18: 11,340,416 km (0.118 R)
• M19: 12,173,976 km (0.119 R)
• M20: 12,442,653 km (0.061 R)
• M21: 13,386,017 km (0.116 R)
• M22: 14,435,895 km (0.085 R)
• M23: 16,632,890 km (0.117 R)
• M24: 19,847,000 km (0.073 R)
• M25: 22,634,457 km (0.097 R)
• M26: 23,452,907 km (0.064 R)
• M27: 26,026,290 km (0.102 R)
• M28: 29,548,571 km (0.101 R)
• M29: 35,517,826 km (0.105 R)
• M30: 38,436,779 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 8.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.99 AU - 4.85 AU

Year: 6197 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,758,992 km

• M1: 101,876 km (0.092 R)
• M2: 466,147 km (0.106 R)
• M3: 724,353 km (0.096 R)
• M4: 1,303,147 km (0.029 R)
• M5: 1,662,930 km (0.105 R)
• M6: 1,947,764 km (0.107 R)
• M7: 2,567,548 km (0.115 R)
• M8: 2,987,469 km (0.087 R)
• M9: 5,142,427 km (0.115 R)
• M10: 10,306,844 km (0.08 R)
• M11: 16,639,771 km (0.099 R)
• M12: 17,297,254 km (0.12 R)
• M13: 17,848,073 km (0.114 R)
• M14: 19,178,597 km (0.076 R)
• M15: 19,834,882 km (0.092 R)
• M16: 23,268,902 km (0.097 R)
• M17: 23,565,554 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.8

Radius: 3.7

Gravity: 27.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.57 AU - 6.03 AU

Year: 9315 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,758,992 km

• M1: 46,974 km (0.104 R)
• M2: 180,116 km (0.117 R)
• M3: 407,804 km (0.094 R)
• M4: 538,253 km (0.116 R)
• M5: 674,238 km (0.104 R)
• M6: 1,129,464 km (0.118 R)
• M7: 1,331,421 km (0.049 R)
• M8: 1,679,236 km (0.062 R)
• M9: 1,942,828 km (0.041 R)
• M10: 2,166,327 km (0.111 R)
• M11: 2,301,563 km (0.112 R)
• M12: 3,023,223 km (0.058 R)
• M13: 3,301,475 km (0.113 R)
• M14: 4,478,511 km (0.079 R)
• M15: 5,071,966 km (0.047 R)
• M16: 5,433,694 km (0.105 R)
• M17: 6,174,652 km (0.101 R)
• M18: 6,378,554 km (0.086 R)
• M19: 7,017,337 km (0.119 R)
• M20: 7,239,340 km (0.103 R)
• M21: 8,503,741 km (0.113 R)
• M22: 12,400,915 km (0.107 R)
• M23: 12,945,153 km (0.104 R)
• M24: 14,733,146 km (0.09 R)
• M25: 15,343,356 km (0.096 R)
• M26: 15,970,321 km (0.092 R)
• M27: 16,290,011 km (0.09 R)
• M28: 19,507,413 km (0.085 R)
• M29: 21,846,375 km (0.086 R)
• M30: 23,450,663 km (0.117 R)
• M31: 26,355,405 km (0.1 R)
• M32: 28,544,171 km (0.089 R)
• M33: 33,591,603 km (0.107 R)
• M34: 34,010,926 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.3

Radius: 7.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.26 AU - 8.56 AU

Year: 13451 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,758,992 km

• M1: 95,892 km (0.074 R)
• M2: 367,412 km (0.096 R)
• M3: 892,052 km (0.097 R)
• M4: 1,227,899 km (0.101 R)
• M5: 1,866,233 km (0.108 R)
• M6: 2,288,249 km (0.101 R)
• M7: 3,039,081 km (0.093 R)
• M8: 4,111,249 km (0.074 R)
• M9: 4,549,421 km (0.112 R)
• M10: 5,799,760 km (0.115 R)
• M11: 6,089,681 km (0.1 R)
• M12: 6,620,454 km (0.12 R)
• M13: 9,348,969 km (0.08 R)
• M14: 9,647,417 km (0.11 R)
• M15: 10,421,436 km (0.071 R)
• M16: 11,015,041 km (0.1 R)
• M17: 11,517,091 km (0.073 R)
• M18: 19,186,675 km (0.046 R)
• M19: 19,669,278 km (0.117 R)
• M20: 22,116,848 km (0.036 R)
• M21: 28,222,536 km (0.076 R)
• M22: 31,325,196 km (0.058 R)
• M23: 33,709,038 km (0.04 R)
• M24: 34,766,695 km (0.088 R)
• M25: 36,455,655 km (0.097 R)
• M26: 40,389,032 km (0.101 R)
• M27: 42,119,430 km (0.091 R)
• M28: 44,596,172 km (0.099 R)
• M29: 46,156,628 km (0.108 R)
• M30: 47,753,136 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.7

Radius: 4.3

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.35 AU - 9.11 AU

Year: 14332 Days

Day: 19.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,758,992 km

• M1: 54,304 km (0.099 R)
• M2: 280,795 km (0.119 R)
• M3: 474,674 km (0.106 R)
• M4: 665,561 km (0.097 R)
• M5: 812,167 km (0.071 R)
• M6: 1,317,508 km (0.057 R)
• M7: 1,512,883 km (0.096 R)
• M8: 1,727,407 km (0.099 R)
• M9: 1,901,389 km (0.103 R)
• M10: 2,336,270 km (0.075 R)
• M11: 2,661,047 km (0.1 R)
• M12: 3,311,947 km (0.039 R)
• M13: 4,532,217 km (0.046 R)
• M14: 4,808,076 km (0.03 R)
• M15: 5,095,004 km (0.088 R)
• M16: 5,362,934 km (0.084 R)
• M17: 9,843,241 km (0.114 R)
• M18: 12,728,834 km (0.062 R)
• M19: 12,946,349 km (0.094 R)
• M20: 14,539,716 km (0.108 R)
• M21: 16,322,923 km (0.079 R)
• M22: 17,433,388 km (0.047 R)
• M23: 17,567,128 km (0.107 R)
• M24: 19,370,381 km (0.086 R)
• M25: 20,095,632 km (0.075 R)
• M26: 24,077,777 km (0.117 R)
• M27: 25,085,618 km (0.053 R)
• M28: 31,630,525 km (0.063 R)
• M29: 32,533,647 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.3

Radius: 6.5

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.03 AU - 11.53 AU

Year: 20396 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 160.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,758,992 km

• M1: 87,216 km (0.106 R)
• M2: 1,096,253 km (0.088 R)
• M3: 4,999,710 km (0.09 R)
• M4: 5,422,175 km (0.059 R)
• M5: 5,832,821 km (0.078 R)
• M6: 6,117,955 km (0.052 R)
• M7: 9,407,013 km (0.101 R)
• M8: 11,535,791 km (0.1 R)
• M9: 11,815,689 km (0.118 R)
• M10: 12,564,426 km (0.026 R)
• M11: 15,200,041 km (0.085 R)
• M12: 17,221,258 km (0.119 R)
• M13: 18,715,292 km (0.107 R)
• M14: 24,074,486 km (0.117 R)
• M15: 36,958,154 km (0.115 R)
• M16: 37,200,802 km (0.095 R)
• M17: 39,558,913 km (0.072 R)
• M18: 40,968,723 km (0.116 R)
• M19: 42,944,762 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.8

Radius: 7.7

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.41 AU - 12.25 AU

Year: 23767 Days

Day: 17.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,758,992 km

• M1: 110,104 km (0.1 R)
• M2: 371,302 km (0.047 R)
• M3: 749,037 km (0.117 R)
• M4: 1,615,507 km (0.063 R)
• M5: 2,026,303 km (0.071 R)
• M6: 2,528,653 km (0.093 R)
• M7: 3,749,222 km (0.099 R)
• M8: 4,333,701 km (0.055 R)
• M9: 4,612,252 km (0.082 R)
• M10: 5,166,961 km (0.087 R)
• M11: 5,890,416 km (0.09 R)
• M12: 10,000,468 km (0.099 R)
• M13: 10,801,565 km (0.088 R)
• M14: 13,534,867 km (0.042 R)
• M15: 14,132,062 km (0.113 R)
• M16: 20,906,751 km (0.038 R)
• M17: 21,704,557 km (0.073 R)
• M18: 23,573,632 km (0.054 R)
• M19: 26,574,416 km (0.03 R)
• M20: 27,156,801 km (0.069 R)
• M21: 27,628,782 km (0.097 R)
• M22: 28,832,746 km (0.094 R)
• M23: 29,571,609 km (0.097 R)
• M24: 32,653,924 km (0.098 R)
• M25: 35,944,030 km (0.116 R)
• M26: 40,358,962 km (0.105 R)
• M27: 40,665,488 km (0.033 R)
• M28: 40,973,660 km (0.099 R)
• M29: 41,594,491 km (0.115 R)
• M30: 43,014,474 km (0.068 R)
• M31: 45,452,471 km (0.067 R)
• M32: 48,844,453 km (0.059 R)
• M33: 66,419,809 km (0.095 R)
• M34: 69,012,041 km (0.068 R)
• M35: 73,252,991 km (0.087 R)
• M36: 75,786,132 km (0.205 R)
• M37: 76,721,567 km (0.062 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 19,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit