🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 12.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.46 AU - 0.7 AU

Year: 295 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,835,675 km

• M1: 154,235 km (0.093 R)
• M2: 541,843 km (0.053 R)
• M3: 985,401 km (0.029 R)
• M4: 1,453,792 km (0.09 R)
• M5: 1,960,779 km (0.091 R)
• M6: 2,346,742 km (0.11 R)
• M7: 2,868,539 km (0.112 R)
• M8: 3,391,833 km (0.025 R)
• M9: 3,849,004 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 14.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.83 AU - 1.13 AU

Year: 647 Days

Day: 5.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,835,675 km

• M1: 185,352 km (0.112 R)
• M2: 663,018 km (0.03 R)
• M3: 1,221,616 km (0.112 R)
• M4: 1,776,624 km (0.073 R)
• M5: 2,315,476 km (0.096 R)
• M6: 2,799,575 km (0.039 R)
• M7: 3,511,361 km (0.106 R)
• M8: 4,532,666 km (0.098 R)
• M9: 5,859,150 km (0.031 R)
• M10: 6,477,887 km (0.048 R)
• M11: 7,989,424 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 8.9

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.07 AU - 1.37 AU

Year: 899 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,835,675 km

• M1: 110,702 km (0.111 R)
• M2: 419,622 km (0.119 R)
• M3: 837,748 km (0.11 R)
• M4: 1,442,572 km (0.058 R)
• M5: 2,370,827 km (0.067 R)
• M6: 2,807,204 km (0.041 R)
• M7: 3,354,134 km (0.043 R)
• M8: 3,762,237 km (0.08 R)
• M9: 5,387,319 km (0.041 R)
• M10: 5,863,040 km (0.098 R)
• M11: 6,389,026 km (0.029 R)
• M12: 6,710,063 km (0.092 R)
• M13: 7,211,964 km (0.085 R)
• M14: 7,560,377 km (0.084 R)
• M15: 8,673,535 km (0.034 R)
• M16: 9,067,725 km (0.055 R)
• M17: 9,651,755 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.8

Radius: 14.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1 AU - 1.56 AU

Year: 966 Days

Day: 10.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,835,675 km

• M1: 177,872 km (0.096 R)
• M2: 687,103 km (0.097 R)
• M3: 1,157,738 km (0.081 R)
• M4: 1,767,648 km (0.031 R)
• M5: 2,457,295 km (0.039 R)
• M6: 3,126,296 km (0.105 R)
• M7: 3,666,494 km (0.076 R)
• M8: 4,284,782 km (0.114 R)
• M9: 4,884,520 km (0.076 R)
• M10: 5,407,963 km (0.069 R)
• M11: 6,462,179 km (0.026 R)
• M12: 7,027,360 km (0.108 R)
• M13: 7,554,842 km (0.1 R)
• M14: 8,108,653 km (0.052 R)
• M15: 8,715,422 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.9

Radius: 14.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.92 AU - 2.64 AU

Year: 2296 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,835,675 km

• M1: 185,352 km (0.116 R)
• M2: 908,657 km (0.11 R)
• M3: 1,491,940 km (0.092 R)
• M4: 2,215,694 km (0.075 R)
• M5: 2,695,454 km (0.097 R)
• M6: 3,390,337 km (0.108 R)
• M7: 3,870,396 km (0.099 R)
• M8: 4,697,074 km (0.068 R)
• M9: 5,386,870 km (0.116 R)
• M10: 6,217,886 km (0.106 R)
• M11: 6,862,802 km (0.108 R)
• M12: 7,382,655 km (0.093 R)
• M13: 8,317,791 km (0.115 R)
• M14: 9,867,027 km (0.078 R)
• M15: 11,987,277 km (0.06 R)
• M16: 13,071,712 km (0.047 R)
• M17: 13,701,968 km (0.083 R)
• M18: 14,752,444 km (0.045 R)
• M19: 15,762,080 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 8.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.3 AU - 3.34 AU

Year: 3158 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,835,675 km

• M1: 100,679 km (0.078 R)
• M2: 356,492 km (0.108 R)
• M3: 625,020 km (0.064 R)
• M4: 1,381,985 km (0.091 R)
• M5: 2,101,401 km (0.069 R)
• M6: 2,675,259 km (0.061 R)
• M7: 3,006,468 km (0.03 R)
• M8: 3,554,745 km (0.096 R)
• M9: 4,043,481 km (0.09 R)
• M10: 5,051,920 km (0.092 R)
• M11: 5,365,627 km (0.108 R)
• M12: 6,457,990 km (0.075 R)
• M13: 7,212,113 km (0.094 R)
• M14: 7,939,757 km (0.087 R)
• M15: 8,656,331 km (0.094 R)
• M16: 9,477,923 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.2

Radius: 4.9

Gravity: 34.66 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.05 AU - 7.39 AU

Year: 12937 Days

Day: 18.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 74,835,675 km

• M1: 60,886 km (0.094 R)
• M2: 245,939 km (0.1 R)
• M3: 470,485 km (0.104 R)
• M4: 761,154 km (0.093 R)
• M5: 986,299 km (0.059 R)
• M6: 1,682,527 km (0.112 R)
• M7: 1,975,141 km (0.059 R)
• M8: 2,341,655 km (0.074 R)
• M9: 2,551,990 km (0.095 R)
• M10: 3,828,210 km (0.117 R)
• M11: 4,365,565 km (0.109 R)
• M12: 6,121,096 km (0.095 R)
• M13: 6,981,733 km (0.108 R)
• M14: 7,644,002 km (0.112 R)
• M15: 7,873,785 km (0.051 R)
• M16: 9,195,033 km (0.083 R)
• M17: 10,264,508 km (0.111 R)
• M18: 14,589,084 km (0.045 R)
• M19: 15,014,241 km (0.076 R)
• M20: 15,963,738 km (0.058 R)
• M21: 17,343,629 km (0.113 R)
• M22: 19,135,812 km (0.098 R)
• M23: 21,137,431 km (0.108 R)
• M24: 21,773,372 km (0.117 R)
• M25: 23,370,628 km (0.106 R)
• M26: 23,660,399 km (0.103 R)
• M27: 24,444,741 km (0.102 R)
• M28: 25,347,863 km (0.066 R)
• M29: 29,406,453 km (0.113 R)
• M30: 32,780,484 km (0.075 R)
• M31: 33,509,325 km (0.112 R)
• M32: 34,001,202 km (0.066 R)
• M33: 34,622,782 km (0.118 R)
• M34: 43,991,049 km (0.043 R)
• M35: 46,381,324 km (0.09 R)
• M36: 50,287,175 km (0.071 R)
• M37: 51,745,155 km (0.079 R)
• M38: 58,567,417 km (0.092 R)
• M39: 60,361,993 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.7

Radius: 6.2

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.89 AU - 11.97 AU

Year: 20867 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,835,675 km

• M1: 79,736 km (0.063 R)
• M2: 425,307 km (0.114 R)
• M3: 740,210 km (0.112 R)
• M4: 1,034,918 km (0.049 R)
• M5: 1,718,132 km (0.03 R)
• M6: 2,075,521 km (0.105 R)
• M7: 3,712,421 km (0.031 R)
• M8: 4,443,805 km (0.119 R)
• M9: 4,825,878 km (0.065 R)
• M10: 5,655,548 km (0.11 R)
• M11: 6,488,808 km (0.049 R)
• M12: 8,765,089 km (0.099 R)
• M13: 11,589,197 km (0.047 R)
• M14: 14,068,184 km (0.08 R)
• M15: 17,297,403 km (0.097 R)
• M16: 19,309,495 km (0.059 R)
• M17: 21,569,919 km (0.116 R)
• M18: 23,171,214 km (0.086 R)
• M19: 25,282,190 km (0.111 R)
• M20: 25,829,419 km (0.075 R)
• M21: 26,721,172 km (0.091 R)
• M22: 29,761,150 km (0.071 R)
• M23: 30,865,033 km (0.064 R)
• M24: 31,238,878 km (0.1 R)
• M25: 36,796,139 km (0.036 R)
• M26: 45,022,826 km (0.119 R)
• M27: 52,072,176 km (0.08 R)
• M28: 56,785,257 km (0.084 R)
• M29: 65,395,363 km (0.091 R)
• M30: 65,600,611 km (0.076 R)
• M31: 68,942,328 km (0.119 R)
• M32: 73,055,821 km (0.073 R)
• M33: 73,942,188 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 10,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit