🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 12.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 105.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,776,242 km

• M1: 157,975 km (0.11 R)
• M2: 604,226 km (0.114 R)
• M3: 1,248,095 km (0.09 R)
• M4: 1,884,185 km (0.111 R)
• M5: 2,729,114 km (0.074 R)
• M6: 3,366,700 km (0.079 R)
• M7: 3,763,882 km (0.112 R)
• M8: 4,258,453 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 13.2

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.63 AU - 0.91 AU

Year: 451 Days

Day: 10.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,776,242 km

• M1: 164,109 km (0.103 R)
• M2: 575,503 km (0.1 R)
• M3: 1,066,184 km (0.059 R)
• M4: 1,479,523 km (0.085 R)
• M5: 1,995,785 km (0.028 R)
• M6: 2,847,147 km (0.112 R)
• M7: 3,844,516 km (0.109 R)
• M8: 4,418,074 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 11

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.92 AU - 1.18 AU

Year: 717 Days

Day: 11.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,776,242 km

• M1: 136,732 km (0.049 R)
• M2: 536,907 km (0.05 R)
• M3: 973,733 km (0.087 R)
• M4: 1,323,193 km (0.061 R)
• M5: 1,699,133 km (0.071 R)
• M6: 2,107,535 km (0.11 R)
• M7: 2,570,391 km (0.106 R)
• M8: 2,936,606 km (0.102 R)
• M9: 3,717,208 km (0.104 R)
• M10: 4,140,869 km (0.077 R)
• M11: 6,441,834 km (0.082 R)
• M12: 6,921,145 km (0.1 R)
• M13: 7,589,100 km (0.105 R)
• M14: 8,606,216 km (0.053 R)
• M15: 9,027,035 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.3

Radius: 5.9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.7 AU - 9.3 AU

Year: 15089 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,776,242 km

• M1: 73,752 km (0.077 R)
• M2: 275,110 km (0.089 R)
• M3: 540,647 km (0.086 R)
• M4: 819,946 km (0.119 R)
• M5: 1,101,190 km (0.074 R)
• M6: 2,200,435 km (0.119 R)
• M7: 2,854,477 km (0.111 R)
• M8: 3,261,982 km (0.116 R)
• M9: 5,938,287 km (0.099 R)
• M10: 6,227,311 km (0.101 R)
• M11: 6,412,662 km (0.042 R)
• M12: 6,601,754 km (0.089 R)
• M13: 8,384,811 km (0.114 R)
• M14: 12,988,686 km (0.059 R)
• M15: 13,786,790 km (0.103 R)
• M16: 15,345,151 km (0.117 R)
• M17: 17,380,430 km (0.092 R)
• M18: 19,117,411 km (0.101 R)
• M19: 19,907,587 km (0.1 R)
• M20: 22,582,247 km (0.084 R)
• M21: 23,824,209 km (0.095 R)
• M22: 26,443,668 km (0.079 R)
• M23: 27,523,166 km (0.113 R)
• M24: 29,145,405 km (0.106 R)
• M25: 30,191,094 km (0.046 R)
• M26: 36,753,654 km (0.042 R)
• M27: 37,238,500 km (0.108 R)
• M28: 37,727,386 km (0.025 R)
• M29: 39,472,745 km (0.114 R)
• M30: 40,365,245 km (0.102 R)
• M31: 46,285,581 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.3

Radius: 7.5

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.5 AU - 9.66 AU

Year: 15316 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,776,242 km

• M1: 93,199 km (0.105 R)
• M2: 401,820 km (0.097 R)
• M3: 675,734 km (0.054 R)
• M4: 1,630,168 km (0.072 R)
• M5: 3,095,030 km (0.117 R)
• M6: 3,413,823 km (0.108 R)
• M7: 4,382,320 km (0.073 R)
• M8: 4,785,037 km (0.096 R)
• M9: 5,522,854 km (0.048 R)
• M10: 6,143,087 km (0.115 R)
• M11: 7,096,773 km (0.12 R)
• M12: 7,740,942 km (0.1 R)
• M13: 8,054,499 km (0.087 R)
• M14: 8,659,473 km (0.103 R)
• M15: 9,751,836 km (0.031 R)
• M16: 10,438,939 km (0.096 R)
• M17: 12,147,347 km (0.109 R)
• M18: 12,817,994 km (0.115 R)
• M19: 15,820,573 km (0.09 R)
• M20: 17,294,112 km (0.1 R)
• M21: 18,220,871 km (0.107 R)
• M22: 18,537,121 km (0.055 R)
• M23: 19,838,473 km (0.094 R)
• M24: 21,992,383 km (0.063 R)
• M25: 22,260,911 km (0.075 R)
• M26: 26,354,058 km (0.026 R)
• M27: 31,826,947 km (0.083 R)
• M28: 32,982,291 km (0.076 R)
• M29: 33,688,692 km (0.065 R)
• M30: 36,116,367 km (0.074 R)
• M31: 41,316,987 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.3

Radius: 7

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.08 AU - 11.72 AU

Year: 19219 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,776,242 km

• M1: 87,216 km (0.082 R)
• M2: 364,271 km (0.04 R)
• M3: 827,575 km (0.088 R)
• M4: 1,332,468 km (0.091 R)
• M5: 1,557,164 km (0.091 R)
• M6: 2,064,750 km (0.093 R)
• M7: 3,089,944 km (0.117 R)
• M8: 3,324,813 km (0.07 R)
• M9: 4,451,733 km (0.115 R)
• M10: 5,210,195 km (0.077 R)
• M11: 6,632,721 km (0.119 R)
• M12: 10,864,545 km (0.104 R)
• M13: 12,622,620 km (0.036 R)
• M14: 13,431,196 km (0.117 R)
• M15: 15,225,622 km (0.118 R)
• M16: 16,692,130 km (0.108 R)
• M17: 17,500,707 km (0.055 R)
• M18: 18,166,118 km (0.103 R)
• M19: 19,993,007 km (0.105 R)
• M20: 22,908,670 km (0.096 R)
• M21: 23,304,506 km (0.083 R)
• M22: 31,717,441 km (0.056 R)
• M23: 37,957,617 km (0.106 R)
• M24: 40,927,434 km (0.095 R)
• M25: 43,442,174 km (0.096 R)
• M26: 45,123,355 km (0.107 R)
• M27: 47,805,795 km (0.077 R)
• M28: 50,927,753 km (0.096 R)
• M29: 52,967,819 km (0.112 R)
• M30: 58,673,631 km (0.06 R)
• M31: 59,974,086 km (0.108 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: 252 - 15,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit