🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 10.8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.77 AU - 1.13 AU

Year: 598 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,210,239 km

• M1: 134,339 km (0.112 R)
• M2: 478,414 km (0.104 R)
• M3: 832,063 km (0.082 R)
• M4: 1,247,048 km (0.105 R)
• M5: 1,953,299 km (0.055 R)
• M6: 2,303,358 km (0.111 R)
• M7: 2,826,053 km (0.065 R)
• M8: 3,199,001 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 11.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.77 AU - 1.15 AU

Year: 607 Days

Day: 10.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,210,239 km

• M1: 147,952 km (0.042 R)
• M2: 524,789 km (0.086 R)
• M3: 940,971 km (0.115 R)
• M4: 1,450,651 km (0.105 R)
• M5: 1,917,695 km (0.112 R)
• M6: 2,457,295 km (0.114 R)
• M7: 2,947,826 km (0.109 R)
• M8: 3,744,734 km (0.094 R)
• M9: 4,929,250 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 8.8

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.9 AU - 1.14 AU

Year: 665 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,210,239 km

• M1: 109,805 km (0.103 R)
• M2: 410,048 km (0.11 R)
• M3: 889,659 km (0.041 R)
• M4: 1,267,244 km (0.119 R)
• M5: 1,802,505 km (0.05 R)
• M6: 2,268,951 km (0.055 R)
• M7: 2,581,610 km (0.054 R)
• M8: 2,862,106 km (0.082 R)
• M9: 3,202,142 km (0.062 R)
• M10: 3,683,100 km (0.105 R)
• M11: 3,979,004 km (0.072 R)
• M12: 5,571,174 km (0.109 R)
• M13: 7,044,265 km (0.074 R)
• M14: 8,102,819 km (0.108 R)
• M15: 8,402,164 km (0.081 R)
• M16: 8,760,900 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 11.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.19 AU - 3.65 AU

Year: 3222 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,210,239 km

• M1: 145,559 km (0.1 R)
• M2: 716,723 km (0.104 R)
• M3: 1,468,303 km (0.107 R)
• M4: 1,861,895 km (0.036 R)
• M5: 5,682,774 km (0.094 R)
• M6: 8,193,775 km (0.072 R)
• M7: 9,762,308 km (0.088 R)
• M8: 10,802,163 km (0.108 R)
• M9: 11,874,630 km (0.076 R)
• M10: 13,658,136 km (0.107 R)
• M11: 14,186,366 km (0.088 R)
• M12: 14,636,805 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.7

Radius: 9.7

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.54 AU - 4.34 AU

Year: 5050 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,210,239 km

• M1: 132,693 km (0.094 R)
• M2: 470,635 km (0.09 R)
• M3: 1,542,354 km (0.104 R)
• M4: 1,893,161 km (0.096 R)
• M5: 2,759,034 km (0.094 R)
• M6: 3,242,085 km (0.106 R)
• M7: 5,475,132 km (0.075 R)
• M8: 7,874,383 km (0.072 R)
• M9: 8,848,714 km (0.063 R)
• M10: 11,870,142 km (0.082 R)
• M11: 12,351,698 km (0.055 R)
• M12: 19,787,610 km (0.11 R)
• M13: 21,794,465 km (0.045 R)
• M14: 23,630,180 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 8.6

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.96 AU - 5.04 AU

Year: 6164 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,210,239 km

• M1: 106,962 km (0.069 R)
• M2: 387,159 km (0.037 R)
• M3: 907,909 km (0.093 R)
• M4: 1,463,965 km (0.091 R)
• M5: 2,281,218 km (0.074 R)
• M6: 2,819,621 km (0.048 R)
• M7: 3,854,539 km (0.117 R)
• M8: 4,511,573 km (0.115 R)
• M9: 4,783,392 km (0.093 R)
• M10: 5,696,687 km (0.114 R)
• M11: 6,617,312 km (0.1 R)
• M12: 8,793,213 km (0.102 R)
• M13: 9,613,758 km (0.045 R)
• M14: 10,343,646 km (0.109 R)
• M15: 11,607,598 km (0.093 R)
• M16: 13,635,996 km (0.087 R)
• M17: 14,381,143 km (0.05 R)
• M18: 15,703,438 km (0.093 R)
• M19: 16,015,050 km (0.115 R)
• M20: 16,394,281 km (0.084 R)
• M21: 20,009,314 km (0.116 R)
• M22: 25,467,990 km (0.103 R)
• M23: 27,397,803 km (0.089 R)
• M24: 29,801,841 km (0.03 R)
• M25: 32,645,247 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133

Radius: 3.4

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.08 AU - 11.5 AU

Year: 19778 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,210,239 km

• M1: 55,950 km (0.071 R)
• M2: 192,682 km (0.057 R)
• M3: 1,107,922 km (0.101 R)
• M4: 1,555,967 km (0.117 R)
• M5: 4,322,780 km (0.068 R)
• M6: 6,079,957 km (0.089 R)
• M7: 8,133,636 km (0.101 R)
• M8: 8,435,375 km (0.099 R)
• M9: 12,376,232 km (0.099 R)
• M10: 15,221,883 km (0.104 R)
• M11: 16,214,315 km (0.075 R)
• M12: 17,746,945 km (0.08 R)
• M13: 21,747,790 km (0.11 R)
• M14: 25,570,016 km (0.079 R)
• M15: 28,516,346 km (0.058 R)
• M16: 29,918,228 km (0.032 R)
• M17: 41,542,880 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.3

Radius: 3.7

Gravity: 58.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.72 AU - 11.72 AU

Year: 22662 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,210,239 km

• M1: 52,060 km (0.1 R)
• M2: 1,065,586 km (0.084 R)
• M3: 1,296,714 km (0.075 R)
• M4: 1,577,958 km (0.119 R)
• M5: 1,878,650 km (0.069 R)
• M6: 2,352,726 km (0.068 R)
• M7: 6,457,841 km (0.062 R)
• M8: 6,879,856 km (0.116 R)
• M9: 7,883,359 km (0.078 R)
• M10: 8,148,746 km (0.1 R)
• M11: 9,328,624 km (0.079 R)
• M12: 9,625,576 km (0.102 R)
• M13: 10,051,631 km (0.112 R)
• M14: 10,426,822 km (0.089 R)
• M15: 18,314,220 km (0.089 R)
• M16: 21,326,373 km (0.111 R)
• M17: 21,737,618 km (0.11 R)
• M18: 23,002,917 km (0.072 R)
• M19: 23,653,518 km (0.055 R)
• M20: 25,219,508 km (0.082 R)
• M21: 28,680,305 km (0.037 R)
• M22: 32,444,487 km (0.092 R)
• M23: 34,939,181 km (0.102 R)
• M24: 37,708,088 km (0.043 R)
• M25: 38,309,023 km (0.116 R)
• M26: 39,222,467 km (0.116 R)
• M27: 39,530,041 km (0.101 R)
• M28: 39,839,409 km (0.092 R)
• M29: 45,178,108 km (0.049 R)
• M30: 48,458,041 km (0.096 R)
• M31: 54,334,994 km (0.086 R)
• M32: 55,680,926 km (0.08 R)
• M33: 59,446,005 km (0.032 R)
• M34: 60,874,814 km (0.075 R)
• M35: 62,535,500 km (0.112 R)
• M36: 62,745,237 km (0.061 R)
• M37: 77,163,330 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 11,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit