🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 9.4

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.55 AU - 0.87 AU

Year: 406 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,810,881 km

• M1: 116,986 km (0.067 R)
• M2: 415,732 km (0.063 R)
• M3: 730,337 km (0.062 R)
• M4: 1,259,315 km (0.105 R)
• M5: 1,639,593 km (0.12 R)
• M6: 1,953,898 km (0.098 R)
• M7: 2,263,266 km (0.088 R)
• M8: 2,676,156 km (0.116 R)
• M9: 3,242,235 km (0.088 R)
• M10: 3,578,979 km (0.092 R)
• M11: 4,524,737 km (0.065 R)
• M12: 5,394,649 km (0.094 R)
• M13: 5,834,616 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.9

Radius: 14.2

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.05 AU - 1.71 AU

Year: 1100 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,810,881 km

• M1: 176,675 km (0.095 R)
• M2: 1,653,505 km (0.113 R)
• M3: 3,437,460 km (0.109 R)
• M4: 5,471,991 km (0.077 R)
• M5: 6,152,661 km (0.112 R)
• M6: 7,132,527 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 8.3

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.2 AU - 4.44 AU

Year: 5064 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 74.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,810,881 km

• M1: 112,647 km (0.11 R)
• M2: 381,624 km (0.087 R)
• M3: 645,216 km (0.042 R)
• M4: 1,114,504 km (0.078 R)
• M5: 1,474,287 km (0.081 R)
• M6: 1,984,117 km (0.108 R)
• M7: 3,003,177 km (0.081 R)
• M8: 3,527,368 km (0.044 R)
• M9: 3,941,605 km (0.064 R)
• M10: 4,785,187 km (0.089 R)
• M11: 5,120,137 km (0.116 R)
• M12: 5,868,575 km (0.087 R)
• M13: 7,883,509 km (0.091 R)
• M14: 8,272,463 km (0.107 R)
• M15: 9,215,678 km (0.077 R)
• M16: 9,603,735 km (0.118 R)
• M17: 10,505,062 km (0.08 R)
• M18: 13,492,382 km (0.087 R)
• M19: 14,796,426 km (0.093 R)
• M20: 16,306,916 km (0.108 R)
• M21: 16,875,089 km (0.12 R)
• M22: 20,202,444 km (0.098 R)
• M23: 20,857,833 km (0.12 R)
• M24: 21,905,317 km (0.097 R)
• M25: 22,519,416 km (0.089 R)
• M26: 23,943,139 km (0.106 R)
• M27: 24,267,467 km (0.115 R)
• M28: 30,619,243 km (0.07 R)
• M29: 30,905,723 km (0.073 R)
• M30: 31,971,010 km (0.032 R)
• M31: 34,175,035 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 12.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.64 AU - 5.6 AU

Year: 7858 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,810,881 km

• M1: 153,039 km (0.077 R)
• M2: 736,919 km (0.086 R)
• M3: 1,380,788 km (0.034 R)
• M4: 1,977,085 km (0.085 R)
• M5: 2,537,479 km (0.114 R)
• M6: 3,076,929 km (0.109 R)
• M7: 3,715,712 km (0.108 R)
• M8: 5,199,723 km (0.119 R)
• M9: 6,377,208 km (0.082 R)
• M10: 7,047,406 km (0.117 R)
• M11: 7,842,220 km (0.094 R)
• M12: 8,241,197 km (0.075 R)
• M13: 9,475,828 km (0.104 R)
• M14: 11,682,098 km (0.045 R)
• M15: 12,098,129 km (0.109 R)
• M16: 20,402,606 km (0.102 R)
• M17: 23,959,296 km (0.117 R)
• M18: 25,317,644 km (0.097 R)
• M19: 25,927,854 km (0.097 R)
• M20: 26,816,615 km (0.098 R)
• M21: 27,542,015 km (0.063 R)
• M22: 28,467,278 km (0.092 R)
• M23: 33,615,838 km (0.102 R)
• M24: 36,188,772 km (0.067 R)

Asteroid Belt

Center: 6.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168

Radius: 5.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.44 AU - 9.1 AU

Year: 16131 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,810,881 km

• M1: 69,413 km (0.118 R)
• M2: 275,559 km (0.12 R)
• M3: 498,610 km (0.042 R)
• M4: 671,844 km (0.087 R)
• M5: 1,246,449 km (0.075 R)
• M6: 1,671,008 km (0.097 R)
• M7: 1,956,291 km (0.095 R)
• M8: 2,380,701 km (0.107 R)
• M9: 3,228,771 km (0.11 R)
• M10: 4,235,265 km (0.086 R)
• M11: 4,426,003 km (0.111 R)
• M12: 4,854,152 km (0.112 R)
• M13: 5,278,112 km (0.047 R)
• M14: 5,726,457 km (0.113 R)
• M15: 6,446,172 km (0.113 R)
• M16: 7,457,753 km (0.074 R)
• M17: 7,696,062 km (0.112 R)
• M18: 7,898,618 km (0.083 R)
• M19: 8,272,313 km (0.027 R)
• M20: 9,235,125 km (0.106 R)
• M21: 11,857,426 km (0.085 R)
• M22: 12,907,005 km (0.097 R)
• M23: 14,564,549 km (0.074 R)
• M24: 16,292,405 km (0.086 R)
• M25: 17,171,143 km (0.063 R)
• M26: 17,939,029 km (0.077 R)
• M27: 24,312,197 km (0.11 R)
• M28: 25,013,213 km (0.057 R)
• M29: 26,272,228 km (0.047 R)
• M30: 31,114,113 km (0.085 R)
• M31: 31,836,072 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.7

Radius: 4.1

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.66 AU - 9.6 AU

Year: 17195 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,810,881 km

• M1: 51,013 km (0.067 R)
• M2: 740,958 km (0.093 R)
• M3: 1,699,881 km (0.072 R)
• M4: 4,612,402 km (0.047 R)
• M5: 5,048,180 km (0.103 R)
• M6: 5,218,572 km (0.103 R)
• M7: 6,096,712 km (0.073 R)
• M8: 6,790,995 km (0.068 R)
• M9: 8,653,938 km (0.11 R)
• M10: 9,572,020 km (0.091 R)
• M11: 9,833,218 km (0.09 R)
• M12: 9,965,612 km (0.066 R)
• M13: 13,730,392 km (0.051 R)
• M14: 14,916,852 km (0.057 R)
• M15: 19,088,240 km (0.029 R)
• M16: 27,135,259 km (0.043 R)
• M17: 28,904,852 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.6

Radius: 6.9

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.62 AU - 12.08 AU

Year: 22584 Days

Day: 21.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,810,881 km

• M1: 85,869 km (0.106 R)
• M2: 321,187 km (0.117 R)
• M3: 668,702 km (0.114 R)
• M4: 960,718 km (0.104 R)
• M5: 2,062,805 km (0.029 R)
• M6: 2,623,797 km (0.066 R)
• M7: 2,927,930 km (0.112 R)
• M8: 3,551,753 km (0.099 R)
• M9: 4,990,136 km (0.118 R)
• M10: 5,238,768 km (0.078 R)
• M11: 6,953,159 km (0.117 R)
• M12: 9,705,611 km (0.053 R)
• M13: 9,926,268 km (0.083 R)
• M14: 13,311,667 km (0.091 R)
• M15: 14,140,888 km (0.076 R)
• M16: 14,930,915 km (0.1 R)
• M17: 15,523,621 km (0.094 R)
• M18: 16,677,171 km (0.115 R)
• M19: 21,303,784 km (0.103 R)
• M20: 25,235,964 km (0.062 R)
• M21: 25,864,724 km (0.105 R)
• M22: 27,702,833 km (0.105 R)
• M23: 29,742,151 km (0.092 R)
• M24: 31,156,001 km (0.118 R)
• M25: 32,123,001 km (0.116 R)
• M26: 33,737,013 km (0.097 R)
• M27: 35,928,173 km (0.102 R)
• M28: 37,395,578 km (0.033 R)
• M29: 38,075,500 km (0.1 R)
• M30: 42,919,779 km (0.12 R)
• M31: 46,263,890 km (0.088 R)
• M32: 48,802,416 km (0.103 R)
• M33: 51,265,096 km (0.09 R)
• M34: 56,972,404 km (0.108 R)
• M35: 62,897,378 km (0.102 R)
• M36: 63,473,030 km (0.108 R)
• M37: 64,246,002 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 15,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit