🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 11.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.57 AU - 0.65 AU

Year: 335 Days

Day: 8.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,265,774 km

• M1: 144,661 km (0.08 R)
• M2: 514,766 km (0.104 R)
• M3: 925,562 km (0.112 R)
• M4: 1,285,644 km (0.049 R)
• M5: 1,685,519 km (0.037 R)
• M6: 2,551,392 km (0.091 R)
• M7: 3,729,325 km (0.12 R)
• M8: 4,773,818 km (0.05 R)
• M9: 5,255,074 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 13.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.52 AU - 0.74 AU

Year: 351 Days

Day: 12.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,265,774 km

• M1: 169,195 km (0.03 R)
• M2: 637,885 km (0.119 R)
• M3: 1,493,136 km (0.049 R)
• M4: 2,367,835 km (0.062 R)
• M5: 3,017,987 km (0.04 R)
• M6: 3,845,712 km (0.109 R)
• M7: 4,406,405 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.7

Radius: 11.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.3 AU - 1.96 AU

Year: 1463 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,265,774 km

• M1: 146,756 km (0.105 R)
• M2: 524,789 km (0.116 R)
• M3: 971,339 km (0.08 R)
• M4: 1,512,434 km (0.079 R)
• M5: 1,933,403 km (0.069 R)
• M6: 2,317,421 km (0.113 R)
• M7: 2,936,606 km (0.099 R)
• M8: 3,344,560 km (0.085 R)
• M9: 3,758,647 km (0.076 R)
• M10: 4,803,139 km (0.114 R)
• M11: 5,987,804 km (0.107 R)
• M12: 7,692,023 km (0.079 R)
• M13: 8,090,103 km (0.108 R)
• M14: 9,043,490 km (0.106 R)
• M15: 9,577,704 km (0.081 R)
• M16: 10,906,582 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 14.3

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.65 AU - 1.91 AU

Year: 1669 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,265,774 km

• M1: 177,872 km (0.117 R)
• M2: 651,648 km (0.041 R)
• M3: 1,915,601 km (0.1 R)
• M4: 2,441,587 km (0.082 R)
• M5: 3,551,005 km (0.064 R)
• M6: 4,028,820 km (0.047 R)
• M7: 4,582,632 km (0.093 R)
• M8: 5,708,804 km (0.049 R)
• M9: 7,699,204 km (0.091 R)
• M10: 8,181,657 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 8.2

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.4 AU - 2.2 AU

Year: 1698 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,265,774 km

• M1: 108,159 km (0.1 R)
• M2: 429,944 km (0.106 R)
• M3: 804,238 km (0.032 R)
• M4: 1,075,010 km (0.112 R)
• M5: 1,704,369 km (0.114 R)
• M6: 2,452,059 km (0.104 R)
• M7: 8,183,004 km (0.071 R)
• M8: 10,727,215 km (0.067 R)
• M9: 14,274,778 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.5

Radius: 11

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.75 AU - 1.91 AU

Year: 1740 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,265,774 km

• M1: 136,882 km (0.101 R)
• M2: 491,728 km (0.09 R)
• M3: 1,002,605 km (0.059 R)
• M4: 1,453,643 km (0.109 R)
• M5: 2,895,168 km (0.103 R)
• M6: 3,860,223 km (0.102 R)
• M7: 5,206,455 km (0.094 R)
• M8: 5,876,803 km (0.107 R)
• M9: 7,595,981 km (0.109 R)
• M10: 8,100,874 km (0.118 R)
• M11: 9,905,473 km (0.105 R)
• M12: 10,704,176 km (0.106 R)
• M13: 11,579,623 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 11.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.55 AU - 2.47 AU

Year: 2003 Days

Day: 7.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,265,774 km

• M1: 151,842 km (0.057 R)
• M2: 590,762 km (0.062 R)
• M3: 1,499,569 km (0.031 R)
• M4: 1,946,119 km (0.11 R)
• M5: 2,581,760 km (0.097 R)
• M6: 3,041,175 km (0.111 R)
• M7: 3,602,915 km (0.093 R)
• M8: 4,287,026 km (0.053 R)
• M9: 5,158,284 km (0.101 R)
• M10: 5,581,796 km (0.085 R)
• M11: 6,051,533 km (0.093 R)
• M12: 7,173,218 km (0.03 R)
• M13: 8,200,207 km (0.12 R)
• M14: 9,017,909 km (0.097 R)
• M15: 11,195,007 km (0.049 R)
• M16: 12,688,443 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 12.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.89 AU - 4.13 AU

Year: 4622 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,265,774 km

• M1: 156,629 km (0.115 R)
• M2: 550,819 km (0.055 R)
• M3: 1,026,092 km (0.026 R)
• M4: 1,487,003 km (0.116 R)
• M5: 1,957,937 km (0.05 R)
• M6: 2,648,780 km (0.098 R)
• M7: 3,647,495 km (0.069 R)
• M8: 4,724,151 km (0.043 R)
• M9: 5,266,294 km (0.08 R)
• M10: 6,315,274 km (0.118 R)
• M11: 7,534,796 km (0.116 R)
• M12: 14,232,741 km (0.115 R)
• M13: 15,078,269 km (0.075 R)
• M14: 16,076,685 km (0.077 R)
• M15: 16,869,404 km (0.103 R)
• M16: 17,752,181 km (0.08 R)
• M17: 22,110,116 km (0.075 R)
• M18: 22,786,000 km (0.1 R)
• M19: 24,021,379 km (0.119 R)
• M20: 25,464,101 km (0.112 R)
• M21: 27,048,941 km (0.102 R)
• M22: 29,593,152 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 4

Gravity: 38.47 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.75 AU - 10.85 AU

Year: 19936 Days

Day: 19.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,265,774 km

• M1: 50,115 km (0.104 R)
• M2: 176,226 km (0.072 R)
• M3: 442,211 km (0.1 R)
• M4: 699,220 km (0.065 R)
• M5: 850,763 km (0.082 R)
• M6: 1,193,791 km (0.096 R)
• M7: 1,321,847 km (0.093 R)
• M8: 2,876,917 km (0.095 R)
• M9: 4,493,770 km (0.074 R)
• M10: 5,670,208 km (0.092 R)
• M11: 6,458,290 km (0.107 R)
• M12: 6,766,162 km (0.114 R)
• M13: 7,506,672 km (0.09 R)
• M14: 7,797,789 km (0.086 R)
• M15: 9,761,859 km (0.117 R)
• M16: 11,011,750 km (0.104 R)
• M17: 12,164,700 km (0.064 R)
• M18: 13,680,276 km (0.099 R)
• M19: 13,896,296 km (0.081 R)
• M20: 15,163,390 km (0.113 R)
• M21: 15,785,418 km (0.042 R)
• M22: 17,668,556 km (0.099 R)
• M23: 17,924,817 km (0.057 R)
• M24: 19,879,612 km (0.052 R)
• M25: 21,873,752 km (0.104 R)
• M26: 26,812,127 km (0.084 R)
• M27: 27,377,458 km (0.091 R)
• M28: 30,814,319 km (0.106 R)
• M29: 36,148,081 km (0.094 R)
• M30: 43,290,333 km (0.084 R)
• M31: 44,381,799 km (0.08 R)
• M32: 48,429,169 km (0.107 R)
• M33: 55,770,685 km (0.114 R)
• M34: 58,184,895 km (0.087 R)
• M35: 63,819,798 km (0.079 R)
• M36: 66,048,806 km (0.109 R)
• M37: 67,702,162 km (0.057 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 15,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit