🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 12.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.48 AU - 0.54 AU

Year: 243 Days

Day: 6.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,856,216 km

• M1: 151,692 km (0.11 R)
• M2: 555,307 km (0.086 R)
• M3: 985,102 km (0.067 R)
• M4: 1,454,690 km (0.113 R)
• M5: 1,874,013 km (0.034 R)
• M6: 2,398,652 km (0.063 R)
• M7: 2,784,016 km (0.058 R)
• M8: 3,220,842 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 10.7

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.75 AU - 0.77 AU

Year: 442 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,856,216 km

• M1: 133,142 km (0.046 R)
• M2: 567,275 km (0.075 R)
• M3: 920,177 km (0.107 R)
• M4: 1,451,548 km (0.111 R)
• M5: 1,869,225 km (0.09 R)
• M6: 2,385,488 km (0.055 R)
• M7: 3,308,058 km (0.069 R)
• M8: 3,974,965 km (0.115 R)
• M9: 5,047,432 km (0.117 R)
• M10: 5,576,261 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 13.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.69 AU - 1.09 AU

Year: 560 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 90,856,216 km

• M1: 170,542 km (0.087 R)
• M2: 899,682 km (0.107 R)
• M3: 1,901,688 km (0.113 R)
• M4: 2,556,927 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 10.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.04 AU - 1.34 AU

Year: 866 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,856,216 km

• M1: 131,796 km (0.111 R)
• M2: 570,865 km (0.062 R)
• M3: 994,227 km (0.069 R)
• M4: 1,324,240 km (0.086 R)
• M5: 1,729,351 km (0.042 R)
• M6: 2,147,029 km (0.095 R)
• M7: 2,494,395 km (0.094 R)
• M8: 3,544,722 km (0.048 R)
• M9: 4,821,839 km (0.057 R)
• M10: 5,293,072 km (0.119 R)
• M11: 6,039,864 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177

Radius: 8.8

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.89 AU - 1.99 AU

Year: 1802 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,856,216 km

• M1: 109,506 km (0.065 R)
• M2: 428,000 km (0.093 R)
• M3: 735,124 km (0.111 R)
• M4: 1,022,501 km (0.12 R)
• M5: 1,729,202 km (0.115 R)
• M6: 2,306,051 km (0.113 R)
• M7: 2,717,745 km (0.116 R)
• M8: 3,426,838 km (0.086 R)
• M9: 3,719,003 km (0.062 R)
• M10: 4,011,916 km (0.12 R)
• M11: 4,404,012 km (0.066 R)
• M12: 5,208,399 km (0.071 R)
• M13: 6,002,764 km (0.084 R)
• M14: 6,875,668 km (0.114 R)
• M15: 8,031,910 km (0.117 R)
• M16: 8,340,231 km (0.12 R)
• M17: 8,980,659 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.4

Radius: 9.2

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.59 AU - 3.37 AU

Year: 3430 Days

Day: 9.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,856,216 km

• M1: 114,442 km (0.113 R)
• M2: 572,960 km (0.062 R)
• M3: 868,266 km (0.119 R)
• M4: 1,226,403 km (0.077 R)
• M5: 2,800,622 km (0.084 R)
• M6: 3,334,237 km (0.114 R)
• M7: 4,414,484 km (0.109 R)
• M8: 4,734,324 km (0.091 R)
• M9: 5,444,465 km (0.051 R)
• M10: 6,905,139 km (0.115 R)
• M11: 7,220,341 km (0.064 R)
• M12: 8,351,600 km (0.042 R)
• M13: 9,703,217 km (0.108 R)
• M14: 10,618,606 km (0.076 R)
• M15: 11,039,276 km (0.106 R)
• M16: 11,352,234 km (0.085 R)
• M17: 12,452,078 km (0.092 R)
• M18: 14,533,882 km (0.098 R)
• M19: 15,780,182 km (0.087 R)
• M20: 16,889,151 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617

Radius: 8.9

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.21 AU - 3.35 AU

Year: 3961 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,856,216 km

• M1: 111,002 km (0.085 R)
• M2: 441,613 km (0.062 R)
• M3: 815,907 km (0.097 R)
• M4: 1,213,388 km (0.086 R)
• M5: 2,286,454 km (0.099 R)
• M6: 2,946,629 km (0.116 R)
• M7: 4,090,455 km (0.07 R)
• M8: 4,546,578 km (0.119 R)
• M9: 5,011,080 km (0.051 R)
• M10: 5,373,256 km (0.057 R)
• M11: 6,535,781 km (0.089 R)
• M12: 8,065,569 km (0.089 R)
• M13: 10,681,737 km (0.096 R)
• M14: 11,152,372 km (0.107 R)
• M15: 12,837,891 km (0.113 R)
• M16: 15,215,450 km (0.113 R)
• M17: 19,153,315 km (0.071 R)
• M18: 19,976,552 km (0.104 R)
• M19: 20,364,309 km (0.103 R)
• M20: 23,363,747 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 12.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.43 AU - 5.21 AU

Year: 5988 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,856,216 km

• M1: 151,842 km (0.118 R)
• M2: 778,807 km (0.118 R)
• M3: 1,379,442 km (0.078 R)
• M4: 1,759,421 km (0.026 R)
• M5: 2,178,145 km (0.096 R)
• M6: 2,854,776 km (0.033 R)
• M7: 4,519,950 km (0.101 R)
• M8: 4,936,131 km (0.115 R)
• M9: 5,782,107 km (0.03 R)
• M10: 6,206,666 km (0.106 R)
• M11: 7,568,904 km (0.115 R)
• M12: 8,820,739 km (0.113 R)
• M13: 13,123,623 km (0.049 R)
• M14: 18,727,260 km (0.105 R)
• M15: 19,587,896 km (0.036 R)
• M16: 21,387,708 km (0.088 R)
• M17: 24,628,896 km (0.116 R)
• M18: 25,141,717 km (0.052 R)
• M19: 27,174,154 km (0.08 R)
• M20: 27,906,136 km (0.052 R)
• M21: 35,097,007 km (0.078 R)
• M22: 36,625,747 km (0.109 R)
• M23: 37,518,847 km (0.037 R)
• M24: 37,970,932 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 6.1

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.57 AU - 6.93 AU

Year: 9195 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,856,216 km

• M1: 75,996 km (0.039 R)
• M2: 486,343 km (0.094 R)
• M3: 904,170 km (0.119 R)
• M4: 1,127,220 km (0.078 R)
• M5: 1,411,606 km (0.057 R)
• M6: 2,108,881 km (0.078 R)
• M7: 2,488,112 km (0.057 R)
• M8: 2,694,258 km (0.053 R)
• M9: 3,098,471 km (0.08 R)
• M10: 4,286,428 km (0.117 R)
• M11: 5,220,068 km (0.116 R)
• M12: 7,520,435 km (0.054 R)
• M13: 8,740,854 km (0.042 R)
• M14: 8,999,957 km (0.111 R)
• M15: 9,488,245 km (0.116 R)
• M16: 10,712,404 km (0.072 R)
• M17: 11,210,266 km (0.107 R)
• M18: 11,775,297 km (0.11 R)
• M19: 12,740,951 km (0.042 R)
• M20: 14,227,206 km (0.065 R)
• M21: 15,197,348 km (0.086 R)
• M22: 16,210,724 km (0.093 R)
• M23: 16,734,018 km (0.106 R)
• M24: 18,230,894 km (0.044 R)
• M25: 19,447,274 km (0.084 R)
• M26: 22,199,875 km (0.065 R)
• M27: 23,172,112 km (0.108 R)
• M28: 23,668,777 km (0.083 R)
• M29: 24,342,117 km (0.062 R)
• M30: 26,708,605 km (0.107 R)
• M31: 28,937,315 km (0.078 R)
• M32: 29,999,011 km (0.096 R)
• M33: 30,986,506 km (0.109 R)
• M34: 31,286,899 km (0.119 R)
• M35: 32,714,661 km (0.084 R)
• M36: 33,130,393 km (0.117 R)
• M37: 37,257,649 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.8

Radius: 3.8

Gravity: 61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.17 AU - 13.03 AU

Year: 23014 Days

Day: 17.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,856,216 km

• M1: 49,517 km (0.092 R)
• M2: 246,836 km (0.115 R)
• M3: 525,687 km (0.097 R)
• M4: 841,039 km (0.047 R)
• M5: 1,001,109 km (0.063 R)
• M6: 1,570,778 km (0.114 R)
• M7: 2,040,665 km (0.1 R)
• M8: 7,573,691 km (0.1 R)
• M9: 8,488,782 km (0.088 R)
• M10: 9,118,888 km (0.112 R)
• M11: 10,343,197 km (0.045 R)
• M12: 10,471,402 km (0.111 R)
• M13: 12,022,433 km (0.084 R)
• M14: 13,262,898 km (0.119 R)
• M15: 13,566,582 km (0.116 R)
• M16: 15,909,434 km (0.068 R)
• M17: 17,949,052 km (0.117 R)
• M18: 19,175,754 km (0.097 R)
• M19: 19,858,818 km (0.101 R)
• M20: 20,964,795 km (0.076 R)
• M21: 22,005,248 km (0.059 R)
• M22: 24,870,796 km (0.076 R)
• M23: 25,332,604 km (0.069 R)
• M24: 29,620,229 km (0.098 R)
• M25: 33,379,773 km (0.084 R)
• M26: 37,596,189 km (0.033 R)
• M27: 41,666,298 km (0.072 R)
• M28: 53,104,851 km (0.103 R)
• M29: 79,638,426 km (0.072 R)
• M30: 82,670,027 km (0.095 R)
• M31: 90,856,172 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 15,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit