🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 10

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.69 AU - 0.77 AU

Year: 431 Days

Day: 12.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,940,475 km

• M1: 124,316 km (0.057 R)
• M2: 498,161 km (0.101 R)
• M3: 819,497 km (0.114 R)
• M4: 1,158,336 km (0.071 R)
• M5: 1,547,590 km (0.084 R)
• M6: 2,062,805 km (0.116 R)
• M7: 2,532,842 km (0.085 R)
• M8: 2,881,853 km (0.084 R)
• M9: 3,426,988 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 10.9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.72 AU - 0.9 AU

Year: 503 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,940,475 km

• M1: 135,536 km (0.088 R)
• M2: 489,185 km (0.111 R)
• M3: 1,009,187 km (0.118 R)
• M4: 1,367,325 km (0.073 R)
• M5: 2,508,756 km (0.111 R)
• M6: 2,875,720 km (0.08 R)
• M7: 3,290,704 km (0.089 R)
• M8: 3,679,958 km (0.114 R)
• M9: 4,829,468 km (0.083 R)
• M10: 5,184,314 km (0.116 R)
• M11: 5,573,717 km (0.045 R)
• M12: 6,450,062 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 13.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.61 AU - 1.87 AU

Year: 1584 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,940,475 km

• M1: 172,935 km (0.041 R)
• M2: 632,949 km (0.109 R)
• M3: 1,409,810 km (0.082 R)
• M4: 2,102,748 km (0.114 R)
• M5: 2,800,023 km (0.058 R)
• M6: 3,547,265 km (0.039 R)
• M7: 4,580,687 km (0.118 R)
• M8: 5,287,537 km (0.068 R)
• M9: 6,408,324 km (0.107 R)
• M10: 8,260,046 km (0.11 R)
• M11: 9,900,387 km (0.117 R)
• M12: 11,157,159 km (0.039 R)
• M13: 11,711,120 km (0.055 R)
• M14: 13,691,945 km (0.116 R)
• M15: 14,543,755 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.7

Radius: 9.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.7 AU - 1.78 AU

Year: 1584 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,940,475 km

• M1: 124,166 km (0.072 R)
• M2: 519,404 km (0.093 R)
• M3: 888,163 km (0.091 R)
• M4: 1,279,660 km (0.117 R)
• M5: 1,631,365 km (0.074 R)
• M6: 2,288,399 km (0.05 R)
• M7: 2,665,236 km (0.075 R)
• M8: 3,217,401 km (0.096 R)
• M9: 3,545,320 km (0.035 R)
• M10: 3,895,678 km (0.037 R)
• M11: 4,474,173 km (0.106 R)
• M12: 5,298,009 km (0.069 R)
• M13: 6,055,273 km (0.11 R)
• M14: 6,756,887 km (0.12 R)
• M15: 7,457,753 km (0.072 R)
• M16: 10,754,292 km (0.116 R)
• M17: 12,874,842 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 8.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.45 AU - 2.29 AU

Year: 1765 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,940,475 km

• M1: 110,702 km (0.036 R)
• M2: 415,583 km (0.076 R)
• M3: 789,278 km (0.045 R)
• M4: 1,176,138 km (0.114 R)
• M5: 1,576,163 km (0.078 R)
• M6: 2,223,174 km (0.11 R)
• M7: 3,182,844 km (0.078 R)
• M8: 3,665,447 km (0.086 R)
• M9: 4,124,862 km (0.066 R)
• M10: 5,496,525 km (0.104 R)
• M11: 6,477,139 km (0.12 R)
• M12: 6,795,334 km (0.09 R)
• M13: 7,227,372 km (0.086 R)
• M14: 7,758,894 km (0.088 R)
• M15: 8,373,442 km (0.047 R)
• M16: 10,149,468 km (0.07 R)
• M17: 10,748,308 km (0.107 R)
• M18: 11,335,330 km (0.085 R)
• M19: 12,348,556 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 8.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.64 AU - 2.34 AU

Year: 1938 Days

Day: 5.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,940,475 km

• M1: 102,774 km (0.066 R)
• M2: 366,216 km (0.084 R)
• M3: 628,311 km (0.107 R)
• M4: 1,036,264 km (0.118 R)
• M5: 1,362,089 km (0.067 R)
• M6: 1,755,980 km (0.09 R)
• M7: 2,012,540 km (0.083 R)
• M8: 2,589,838 km (0.096 R)
• M9: 3,095,330 km (0.079 R)
• M10: 3,379,715 km (0.029 R)
• M11: 3,648,842 km (0.092 R)
• M12: 3,983,941 km (0.094 R)
• M13: 5,155,292 km (0.055 R)
• M14: 5,470,196 km (0.046 R)
• M15: 6,349,682 km (0.074 R)
• M16: 6,860,708 km (0.068 R)
• M17: 7,425,141 km (0.107 R)
• M18: 7,691,874 km (0.093 R)
• M19: 9,397,738 km (0.084 R)
• M20: 10,621,449 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 10.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.45 AU - 6.03 AU

Year: 8280 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,940,475 km

• M1: 130,599 km (0.106 R)
• M2: 521,947 km (0.063 R)
• M3: 1,165,517 km (0.05 R)
• M4: 1,827,188 km (0.088 R)
• M5: 2,402,542 km (0.049 R)
• M6: 2,954,408 km (0.098 R)
• M7: 3,324,962 km (0.036 R)
• M8: 4,012,364 km (0.089 R)
• M9: 4,390,099 km (0.06 R)
• M10: 4,931,045 km (0.089 R)
• M11: 6,684,781 km (0.093 R)
• M12: 8,369,253 km (0.063 R)
• M13: 8,904,514 km (0.051 R)
• M14: 10,507,006 km (0.066 R)
• M15: 13,040,147 km (0.1 R)
• M16: 14,332,074 km (0.057 R)
• M17: 14,860,155 km (0.08 R)
• M18: 15,340,514 km (0.088 R)
• M19: 17,564,585 km (0.108 R)
• M20: 19,635,319 km (0.117 R)
• M21: 20,068,106 km (0.083 R)
• M22: 20,729,328 km (0.079 R)
• M23: 22,018,114 km (0.087 R)
• M24: 23,927,132 km (0.03 R)
• M25: 30,218,171 km (0.105 R)
• M26: 33,280,739 km (0.107 R)
• M27: 34,311,319 km (0.058 R)
• M28: 35,789,495 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.8

Radius: 4.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.78 AU - 6.98 AU

Year: 9842 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,940,475 km

• M1: 61,634 km (0.116 R)
• M2: 398,230 km (0.103 R)
• M3: 1,685,968 km (0.113 R)
• M4: 3,881,466 km (0.095 R)
• M5: 6,976,347 km (0.071 R)
• M6: 8,223,395 km (0.071 R)
• M7: 9,009,532 km (0.075 R)
• M8: 10,565,200 km (0.093 R)
• M9: 17,699,672 km (0.119 R)
• M10: 18,225,957 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.1

Radius: 6.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.56 AU - 7.38 AU

Year: 10069 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,940,475 km

• M1: 76,744 km (0.116 R)
• M2: 289,621 km (0.108 R)
• M3: 699,819 km (0.1 R)
• M4: 1,021,005 km (0.105 R)
• M5: 1,772,585 km (0.068 R)
• M6: 3,007,815 km (0.104 R)
• M7: 3,621,615 km (0.075 R)
• M8: 3,924,700 km (0.119 R)
• M9: 8,694,628 km (0.092 R)
• M10: 10,610,977 km (0.099 R)
• M11: 12,595,991 km (0.043 R)
• M12: 16,393,982 km (0.088 R)
• M13: 17,344,377 km (0.07 R)
• M14: 19,289,149 km (0.057 R)
• M15: 20,822,976 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.7

Radius: 4.2

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.83 AU - 12.61 AU

Year: 22552 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,940,475 km

• M1: 52,808 km (0.118 R)
• M2: 259,403 km (0.081 R)
• M3: 456,722 km (0.103 R)
• M4: 741,856 km (0.112 R)
• M5: 935,435 km (0.114 R)
• M6: 1,742,965 km (0.103 R)
• M7: 1,973,944 km (0.11 R)
• M8: 2,432,761 km (0.107 R)
• M9: 2,652,969 km (0.113 R)
• M10: 4,141,019 km (0.12 R)
• M11: 5,758,321 km (0.074 R)
• M12: 6,311,534 km (0.119 R)
• M13: 7,522,679 km (0.072 R)
• M14: 8,880,878 km (0.106 R)
• M15: 13,510,034 km (0.075 R)
• M16: 13,990,542 km (0.044 R)
• M17: 14,340,751 km (0.112 R)
• M18: 18,755,833 km (0.098 R)
• M19: 22,343,639 km (0.044 R)
• M20: 25,523,790 km (0.091 R)
• M21: 26,682,875 km (0.081 R)
• M22: 29,447,144 km (0.05 R)
• M23: 34,005,092 km (0.104 R)
• M24: 36,188,024 km (0.061 R)
• M25: 37,113,437 km (0.031 R)
• M26: 37,514,808 km (0.028 R)
• M27: 41,977,911 km (0.116 R)
• M28: 42,999,215 km (0.082 R)
• M29: 46,162,612 km (0.103 R)
• M30: 46,316,997 km (0.086 R)
• M31: 50,452,929 km (0.078 R)
• M32: 53,286,313 km (0.05 R)
• M33: 55,001,602 km (0.053 R)
• M34: 58,541,836 km (0.111 R)
• M35: 61,108,486 km (0.091 R)
• M36: 63,557,852 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit