🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 14.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.07 AU - 1.47 AU

Year: 939 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,637,418 km

• M1: 180,415 km (0.094 R)
• M2: 721,660 km (0.107 R)
• M3: 1,205,310 km (0.03 R)
• M4: 2,424,383 km (0.089 R)
• M5: 3,440,302 km (0.099 R)
• M6: 4,203,102 km (0.113 R)
• M7: 5,546,640 km (0.116 R)
• M8: 6,154,008 km (0.077 R)
• M9: 6,875,518 km (0.039 R)
• M10: 7,330,296 km (0.045 R)
• M11: 9,239,763 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.3

Radius: 13

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.48 AU - 2.46 AU

Year: 1814 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,637,418 km

• M1: 162,014 km (0.062 R)
• M2: 708,346 km (0.079 R)
• M3: 1,175,540 km (0.043 R)
• M4: 2,083,898 km (0.12 R)
• M5: 3,046,561 km (0.08 R)
• M6: 3,948,636 km (0.098 R)
• M7: 4,736,418 km (0.092 R)
• M8: 6,034,778 km (0.079 R)
• M9: 7,105,899 km (0.094 R)
• M10: 8,354,592 km (0.085 R)
• M11: 9,443,066 km (0.078 R)
• M12: 10,495,188 km (0.063 R)
• M13: 11,016,686 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 12

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.68 AU - 3 AU

Year: 3140 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,637,418 km

• M1: 149,299 km (0.059 R)
• M2: 537,804 km (0.063 R)
• M3: 911,500 km (0.058 R)
• M4: 1,392,607 km (0.093 R)
• M5: 2,145,383 km (0.118 R)
• M6: 2,936,008 km (0.025 R)
• M7: 3,832,847 km (0.087 R)
• M8: 5,164,717 km (0.087 R)
• M9: 5,949,956 km (0.096 R)
• M10: 6,441,385 km (0.081 R)
• M11: 7,078,822 km (0.094 R)
• M12: 8,513,914 km (0.091 R)
• M13: 11,614,031 km (0.116 R)
• M14: 12,080,477 km (0.082 R)
• M15: 12,781,343 km (0.071 R)
• M16: 14,554,526 km (0.088 R)
• M17: 14,947,819 km (0.076 R)
• M18: 17,624,574 km (0.073 R)
• M19: 18,184,668 km (0.103 R)
• M20: 19,046,950 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 10.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.72 AU - 4.12 AU

Year: 4149 Days

Day: 14.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,637,418 km

• M1: 148,401 km (0.114 R)
• M2: 580,739 km (0.106 R)
• M3: 1,229,096 km (0.118 R)
• M4: 3,431,775 km (0.033 R)
• M5: 4,207,889 km (0.1 R)
• M6: 5,216,328 km (0.114 R)
• M7: 7,731,368 km (0.037 R)
• M8: 8,973,479 km (0.116 R)

Asteroid Belt

Center: 3.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 14.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.12 AU - 5.18 AU

Year: 5546 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,637,418 km

• M1: 177,872 km (0.088 R)
• M2: 625,768 km (0.103 R)
• M3: 1,435,092 km (0.07 R)
• M4: 2,205,521 km (0.063 R)
• M5: 2,935,709 km (0.119 R)
• M6: 4,476,118 km (0.104 R)
• M7: 5,148,710 km (0.047 R)
• M8: 5,682,176 km (0.104 R)
• M9: 6,893,769 km (0.102 R)
• M10: 7,649,837 km (0.104 R)
• M11: 8,346,664 km (0.075 R)
• M12: 12,685,600 km (0.036 R)
• M13: 17,205,700 km (0.105 R)
• M14: 19,056,226 km (0.057 R)
• M15: 19,927,484 km (0.057 R)
• M16: 21,319,641 km (0.104 R)
• M17: 23,300,616 km (0.032 R)
• M18: 23,910,527 km (0.049 R)
• M19: 24,609,299 km (0.081 R)
• M20: 25,082,776 km (0.118 R)
• M21: 26,622,138 km (0.076 R)
• M22: 27,288,896 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 11.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.98 AU - 4.44 AU

Year: 5667 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,637,418 km

• M1: 141,968 km (0.119 R)
• M2: 510,727 km (0.085 R)
• M3: 959,521 km (0.108 R)
• M4: 1,962,425 km (0.108 R)
• M5: 2,756,640 km (0.056 R)
• M6: 3,279,185 km (0.1 R)
• M7: 5,173,693 km (0.097 R)
• M8: 8,636,883 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 7.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.52 AU - 9.02 AU

Year: 15602 Days

Day: 15.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,637,418 km

• M1: 157,676 km (0.071 R)
• M2: 1,183,469 km (0.113 R)
• M3: 2,369,032 km (0.043 R)
• M4: 3,857,979 km (0.096 R)
• M5: 10,442,231 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.4

Radius: 5.4

Gravity: 16.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.16 AU - 9.74 AU

Year: 19057 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,637,418 km

• M1: 67,917 km (0.112 R)
• M2: 236,065 km (0.059 R)
• M3: 650,003 km (0.072 R)
• M4: 845,976 km (0.11 R)
• M5: 2,765,466 km (0.091 R)
• M6: 3,262,430 km (0.038 R)
• M7: 3,935,022 km (0.061 R)
• M8: 5,364,729 km (0.1 R)
• M9: 6,015,031 km (0.043 R)
• M10: 7,988,676 km (0.067 R)
• M11: 8,681,464 km (0.104 R)
• M12: 9,629,914 km (0.107 R)
• M13: 10,939,943 km (0.113 R)
• M14: 11,422,246 km (0.108 R)
• M15: 12,493,965 km (0.114 R)
• M16: 22,412,753 km (0.111 R)
• M17: 29,716,271 km (0.06 R)
• M18: 34,217,371 km (0.075 R)
• M19: 34,987,651 km (0.063 R)
• M20: 43,187,858 km (0.104 R)
• M21: 47,175,240 km (0.091 R)
• M22: 50,901,124 km (0.117 R)
• M23: 54,993,224 km (0.098 R)
• M24: 57,119,160 km (0.037 R)
• M25: 61,534,242 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.2

Radius: 7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.38 AU - 10.68 AU

Year: 22416 Days

Day: 16.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,637,418 km

• M1: 87,066 km (0.072 R)
• M2: 771,775 km (0.057 R)
• M3: 1,694,345 km (0.083 R)
• M4: 2,900,852 km (0.063 R)
• M5: 3,407,690 km (0.098 R)
• M6: 4,565,577 km (0.102 R)
• M7: 4,883,922 km (0.034 R)
• M8: 6,743,274 km (0.12 R)
• M9: 9,532,376 km (0.093 R)
• M10: 10,266,752 km (0.096 R)
• M11: 11,265,468 km (0.117 R)
• M12: 12,266,876 km (0.093 R)
• M13: 14,649,222 km (0.099 R)
• M14: 20,137,669 km (0.094 R)
• M15: 21,786,088 km (0.11 R)
• M16: 22,415,446 km (0.085 R)
• M17: 23,804,761 km (0.041 R)
• M18: 24,184,740 km (0.116 R)
• M19: 26,246,348 km (0.091 R)
• M20: 26,651,908 km (0.052 R)
• M21: 27,998,887 km (0.092 R)
• M22: 31,506,808 km (0.072 R)
• M23: 33,484,641 km (0.113 R)
• M24: 38,072,209 km (0.097 R)
• M25: 43,484,660 km (0.063 R)
• M26: 44,195,250 km (0.066 R)
• M27: 48,015,980 km (0.101 R)
• M28: 55,138,933 km (0.046 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 18,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit