🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 8.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.58 AU - 0.78 AU

Year: 374 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,567,612 km

• M1: 110,254 km (0.12 R)
• M2: 466,297 km (0.117 R)
• M3: 807,230 km (0.083 R)
• M4: 1,091,316 km (0.066 R)
• M5: 1,466,658 km (0.077 R)
• M6: 1,790,088 km (0.103 R)
• M7: 2,222,875 km (0.059 R)
• M8: 2,653,118 km (0.118 R)
• M9: 2,935,559 km (0.107 R)
• M10: 3,288,760 km (0.107 R)
• M11: 3,583,168 km (0.114 R)
• M12: 3,975,713 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 9.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,567,612 km

• M1: 121,623 km (0.069 R)
• M2: 532,120 km (0.11 R)
• M3: 854,503 km (0.046 R)
• M4: 1,174,194 km (0.119 R)
• M5: 1,624,633 km (0.087 R)
• M6: 1,929,962 km (0.061 R)
• M7: 3,497,000 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.5

Radius: 9.7

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.74 AU - 0.88 AU

Year: 486 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,567,612 km

• M1: 120,576 km (0.102 R)
• M2: 476,170 km (0.032 R)
• M3: 794,365 km (0.07 R)
• M4: 1,243,158 km (0.105 R)
• M5: 1,552,527 km (0.084 R)
• M6: 1,914,105 km (0.094 R)
• M7: 2,548,101 km (0.071 R)
• M8: 3,291,901 km (0.095 R)
• M9: 4,005,333 km (0.081 R)
• M10: 4,421,215 km (0.115 R)
• M11: 5,042,047 km (0.059 R)
• M12: 5,441,772 km (0.074 R)
• M13: 6,155,204 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 9.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.78 AU - 2.68 AU

Year: 2221 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,567,612 km

• M1: 121,324 km (0.034 R)
• M2: 566,078 km (0.057 R)
• M3: 1,059,303 km (0.085 R)
• M4: 1,378,544 km (0.117 R)
• M5: 1,742,666 km (0.115 R)
• M6: 2,077,765 km (0.027 R)
• M7: 3,320,624 km (0.111 R)
• M8: 4,111,548 km (0.12 R)
• M9: 5,437,135 km (0.058 R)
• M10: 5,756,526 km (0.052 R)
• M11: 6,869,085 km (0.052 R)
• M12: 8,721,257 km (0.11 R)
• M13: 9,033,318 km (0.114 R)
• M14: 9,385,022 km (0.086 R)
• M15: 10,287,397 km (0.104 R)
• M16: 10,706,720 km (0.079 R)
• M17: 11,173,615 km (0.074 R)
• M18: 12,148,394 km (0.074 R)
• M19: 13,016,511 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 13.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.68 AU - 4.76 AU

Year: 5781 Days

Day: 10.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,567,612 km

• M1: 172,935 km (0.082 R)
• M2: 605,123 km (0.106 R)
• M3: 1,073,514 km (0.11 R)
• M4: 1,863,541 km (0.096 R)
• M5: 2,325,499 km (0.052 R)
• M6: 2,959,195 km (0.09 R)
• M7: 3,888,797 km (0.116 R)
• M8: 5,286,639 km (0.119 R)
• M9: 6,790,547 km (0.094 R)
• M10: 9,051,718 km (0.118 R)
• M11: 10,128,225 km (0.109 R)
• M12: 12,177,416 km (0.093 R)
• M13: 14,604,343 km (0.037 R)
• M14: 15,361,757 km (0.118 R)
• M15: 16,765,882 km (0.108 R)
• M16: 17,338,094 km (0.071 R)
• M17: 18,927,871 km (0.107 R)
• M18: 21,122,621 km (0.053 R)
• M19: 21,715,477 km (0.103 R)
• M20: 23,958,548 km (0.088 R)
• M21: 27,562,809 km (0.107 R)
• M22: 28,719,949 km (0.083 R)
• M23: 29,356,338 km (0.082 R)
• M24: 30,281,900 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.5

Radius: 8.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.25 AU - 5.67 AU

Year: 7366 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,567,612 km

• M1: 103,073 km (0.078 R)
• M2: 582,235 km (0.05 R)
• M3: 873,203 km (0.062 R)
• M4: 1,242,261 km (0.05 R)
• M5: 1,576,014 km (0.108 R)
• M6: 2,646,686 km (0.081 R)
• M7: 3,817,289 km (0.059 R)
• M8: 5,821,601 km (0.103 R)
• M9: 7,412,275 km (0.114 R)
• M10: 8,063,325 km (0.087 R)
• M11: 8,403,062 km (0.053 R)
• M12: 10,115,808 km (0.045 R)
• M13: 10,689,965 km (0.111 R)
• M14: 11,008,159 km (0.098 R)
• M15: 13,102,978 km (0.084 R)
• M16: 13,625,823 km (0.085 R)
• M17: 15,106,991 km (0.046 R)
• M18: 21,746,743 km (0.059 R)
• M19: 26,228,247 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.7

Radius: 3

Gravity: 61.63 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.97 AU - 6.89 AU

Year: 9630 Days

Day: 17.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,567,612 km

• M1: 37,250 km (0.083 R)
• M2: 137,480 km (0.12 R)
• M3: 560,094 km (0.088 R)
• M4: 654,191 km (0.102 R)
• M5: 884,572 km (0.063 R)
• M6: 1,110,016 km (0.1 R)
• M7: 1,359,396 km (0.114 R)
• M8: 1,573,321 km (0.043 R)
• M9: 1,952,103 km (0.055 R)
• M10: 2,102,299 km (0.078 R)
• M11: 2,639,355 km (0.075 R)
• M12: 3,171,176 km (0.098 R)
• M13: 3,925,149 km (0.034 R)
• M14: 4,030,466 km (0.12 R)
• M15: 4,556,751 km (0.108 R)
• M16: 5,127,317 km (0.119 R)
• M17: 6,122,742 km (0.06 R)
• M18: 6,968,269 km (0.11 R)
• M19: 7,972,220 km (0.105 R)
• M20: 9,068,773 km (0.104 R)
• M21: 13,071,114 km (0.114 R)
• M22: 13,604,281 km (0.083 R)
• M23: 15,617,270 km (0.072 R)
• M24: 16,284,925 km (0.053 R)
• M25: 17,251,178 km (0.065 R)
• M26: 17,605,425 km (0.044 R)
• M27: 21,418,077 km (0.09 R)
• M28: 22,408,564 km (0.118 R)
• M29: 25,198,265 km (0.11 R)
• M30: 25,379,877 km (0.066 R)
• M31: 26,208,201 km (0.12 R)
• M32: 29,803,187 km (0.061 R)
• M33: 31,559,765 km (0.112 R)
• M34: 33,057,240 km (0.099 R)
• M35: 34,825,786 km (0.071 R)
• M36: 35,164,326 km (0.113 R)
• M37: 35,391,116 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit