🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528

Radius: 10.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 13.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,642,741 km

• M1: 135,536 km (0.077 R)
• M2: 520,750 km (0.098 R)
• M3: 1,050,027 km (0.099 R)
• M4: 1,514,529 km (0.053 R)
• M5: 2,211,206 km (0.045 R)
• M6: 2,707,123 km (0.07 R)
• M7: 3,168,034 km (0.103 R)
• M8: 3,511,062 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.9

Radius: 9.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.73 AU - 0.81 AU

Year: 466 Days

Day: 11.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,642,741 km

• M1: 118,182 km (0.118 R)
• M2: 524,490 km (0.064 R)
• M3: 854,653 km (0.096 R)
• M4: 1,154,447 km (0.055 R)
• M5: 1,665,024 km (0.064 R)
• M6: 2,084,946 km (0.08 R)
• M7: 2,384,740 km (0.084 R)
• M8: 2,921,198 km (0.117 R)
• M9: 3,524,077 km (0.053 R)
• M10: 4,005,633 km (0.108 R)
• M11: 4,360,180 km (0.07 R)
• M12: 4,780,101 km (0.084 R)
• M13: 5,551,278 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.4

Radius: 9.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.69 AU - 1.05 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,642,741 km

• M1: 116,836 km (0.09 R)
• M2: 508,633 km (0.068 R)
• M3: 921,822 km (0.094 R)
• M4: 1,297,462 km (0.068 R)
• M5: 1,636,002 km (0.066 R)
• M6: 2,007,454 km (0.102 R)
• M7: 2,485,120 km (0.109 R)
• M8: 2,800,622 km (0.092 R)
• M9: 3,449,278 km (0.043 R)
• M10: 4,151,491 km (0.091 R)
• M11: 4,582,931 km (0.115 R)
• M12: 5,027,685 km (0.115 R)
• M13: 5,397,042 km (0.116 R)
• M14: 5,985,261 km (0.081 R)
• M15: 6,556,426 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 15

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.96 AU - 1.18 AU

Year: 764 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,642,741 km

• M1: 186,848 km (0.116 R)
• M2: 1,315,564 km (0.082 R)
• M3: 1,897,948 km (0.056 R)
• M4: 2,662,842 km (0.117 R)
• M5: 3,153,074 km (0.059 R)
• M6: 4,177,072 km (0.059 R)
• M7: 4,705,900 km (0.053 R)
• M8: 5,652,855 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 10

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.99 AU - 1.31 AU

Year: 851 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,642,741 km

• M1: 125,513 km (0.085 R)
• M2: 755,170 km (0.103 R)
• M3: 1,076,357 km (0.079 R)
• M4: 1,512,434 km (0.073 R)
• M5: 1,883,736 km (0.067 R)
• M6: 2,248,755 km (0.109 R)
• M7: 3,560,579 km (0.109 R)
• M8: 5,188,054 km (0.088 R)
• M9: 5,568,930 km (0.105 R)
• M10: 6,156,401 km (0.116 R)
• M11: 6,544,308 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 9.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.83 AU - 2.05 AU

Year: 1865 Days

Day: 13.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,642,741 km

• M1: 119,529 km (0.085 R)
• M2: 601,982 km (0.095 R)
• M3: 949,797 km (0.046 R)
• M4: 1,337,555 km (0.093 R)
• M5: 1,696,739 km (0.101 R)
• M6: 2,208,663 km (0.114 R)
• M7: 2,638,906 km (0.059 R)
• M8: 3,480,544 km (0.105 R)
• M9: 6,594,274 km (0.059 R)
• M10: 6,983,229 km (0.086 R)
• M11: 7,727,179 km (0.11 R)
• M12: 8,751,924 km (0.075 R)
• M13: 9,282,099 km (0.118 R)
• M14: 9,990,595 km (0.066 R)
• M15: 10,537,076 km (0.117 R)
• M16: 10,867,837 km (0.104 R)
• M17: 11,584,859 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 8.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.17 AU - 2.43 AU

Year: 2408 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,642,741 km

• M1: 102,026 km (0.088 R)
• M2: 545,733 km (0.091 R)
• M3: 806,632 km (0.077 R)
• M4: 1,358,947 km (0.053 R)
• M5: 1,893,161 km (0.098 R)
• M6: 3,633,134 km (0.119 R)
• M7: 5,120,735 km (0.078 R)
• M8: 5,739,173 km (0.082 R)
• M9: 6,296,275 km (0.097 R)
• M10: 7,673,772 km (0.105 R)
• M11: 8,251,071 km (0.099 R)
• M12: 11,746,425 km (0.071 R)
• M13: 13,132,000 km (0.116 R)
• M14: 13,494,775 km (0.075 R)
• M15: 13,771,232 km (0.109 R)
• M16: 14,240,371 km (0.102 R)
• M17: 18,385,728 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.9

Radius: 3.1

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.76 AU - 6.26 AU

Year: 10170 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,642,741 km

• M1: 49,367 km (0.108 R)
• M2: 167,400 km (0.117 R)
• M3: 307,573 km (0.071 R)
• M4: 781,200 km (0.107 R)
• M5: 1,538,315 km (0.119 R)
• M6: 2,312,484 km (0.039 R)
• M7: 3,355,480 km (0.094 R)
• M8: 4,265,484 km (0.119 R)
• M9: 4,407,602 km (0.061 R)
• M10: 4,982,357 km (0.103 R)
• M11: 5,140,033 km (0.071 R)
• M12: 5,438,032 km (0.102 R)
• M13: 5,862,591 km (0.091 R)
• M14: 7,036,485 km (0.107 R)
• M15: 7,609,146 km (0.079 R)
• M16: 10,211,551 km (0.109 R)
• M17: 15,635,969 km (0.075 R)
• M18: 15,860,815 km (0.094 R)
• M19: 19,564,260 km (0.1 R)
• M20: 20,690,433 km (0.034 R)
• M21: 21,441,713 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.1

Radius: 7.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.86 AU - 8.1 AU

Year: 15560 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,642,741 km

• M1: 89,609 km (0.041 R)
• M2: 341,682 km (0.105 R)
• M3: 570,865 km (0.049 R)
• M4: 899,382 km (0.109 R)
• M5: 1,135,149 km (0.09 R)
• M6: 2,492,749 km (0.083 R)
• M7: 3,116,124 km (0.071 R)
• M8: 3,813,848 km (0.108 R)
• M9: 5,079,745 km (0.076 R)
• M10: 6,460,833 km (0.081 R)
• M11: 8,454,075 km (0.075 R)
• M12: 10,624,441 km (0.118 R)
• M13: 11,704,537 km (0.099 R)
• M14: 13,256,167 km (0.11 R)
• M15: 13,664,569 km (0.058 R)
• M16: 14,323,248 km (0.041 R)
• M17: 14,753,342 km (0.105 R)
• M18: 15,318,822 km (0.111 R)
• M19: 16,694,674 km (0.053 R)
• M20: 19,315,628 km (0.108 R)
• M21: 19,539,576 km (0.063 R)
• M22: 23,024,907 km (0.082 R)
• M23: 23,530,249 km (0.092 R)
• M24: 24,388,791 km (0.081 R)
• M25: 24,737,953 km (0.096 R)
• M26: 31,299,465 km (0.107 R)
• M27: 38,814,065 km (0.083 R)
• M28: 39,170,706 km (0.109 R)
• M29: 39,890,721 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.7

Radius: 6.1

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.11 AU - 8.95 AU

Year: 17196 Days

Day: 17.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,642,741 km

• M1: 75,996 km (0.093 R)
• M2: 275,410 km (0.06 R)
• M3: 655,388 km (0.059 R)
• M4: 992,731 km (0.078 R)
• M5: 1,307,635 km (0.108 R)
• M6: 1,929,065 km (0.076 R)
• M7: 2,730,460 km (0.079 R)
• M8: 4,379,328 km (0.096 R)
• M9: 4,650,699 km (0.046 R)
• M10: 5,294,119 km (0.1 R)
• M11: 7,972,370 km (0.099 R)
• M12: 8,331,853 km (0.036 R)
• M13: 9,930,456 km (0.091 R)
• M14: 11,495,100 km (0.087 R)
• M15: 14,237,379 km (0.103 R)
• M16: 16,577,987 km (0.088 R)
• M17: 19,163,188 km (0.092 R)
• M18: 19,808,254 km (0.077 R)
• M19: 21,141,919 km (0.088 R)
• M20: 25,211,729 km (0.109 R)
• M21: 28,821,376 km (0.11 R)
• M22: 30,097,147 km (0.105 R)
• M23: 31,188,762 km (0.107 R)
• M24: 31,632,769 km (0.099 R)
• M25: 34,740,216 km (0.098 R)
• M26: 35,097,605 km (0.112 R)
• M27: 38,552,119 km (0.119 R)
• M28: 42,633,748 km (0.103 R)
• M29: 43,593,568 km (0.105 R)
• M30: 44,989,764 km (0.098 R)
• M31: 50,720,111 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 10,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit