🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.7

Radius: 10.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,363,904 km

• M1: 134,788 km (0.067 R)
• M2: 493,972 km (0.045 R)
• M3: 869,313 km (0.062 R)
• M4: 1,531,134 km (0.116 R)
• M5: 1,953,449 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 13

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 7.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 87,363,904 km

• M1: 161,865 km (0.031 R)
• M2: 623,374 km (0.115 R)
• M3: 1,164,919 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.8

Radius: 11.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.04 AU - 1.24 AU

Year: 826 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,363,904 km

• M1: 138,079 km (0.075 R)
• M2: 494,571 km (0.107 R)
• M3: 990,039 km (0.118 R)
• M4: 1,435,092 km (0.114 R)
• M5: 2,687,526 km (0.109 R)
• M6: 3,611,741 km (0.103 R)
• M7: 4,053,504 km (0.045 R)
• M8: 4,963,358 km (0.088 R)
• M9: 5,929,312 km (0.096 R)
• M10: 6,606,541 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 12.4

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.98 AU - 1.46 AU

Year: 914 Days

Day: 13.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,363,904 km

• M1: 154,235 km (0.105 R)
• M2: 540,348 km (0.077 R)
• M3: 1,091,765 km (0.06 R)
• M4: 1,484,310 km (0.085 R)
• M5: 1,983,069 km (0.106 R)
• M6: 2,524,464 km (0.08 R)
• M7: 3,084,409 km (0.071 R)
• M8: 3,637,622 km (0.104 R)
• M9: 4,523,241 km (0.105 R)
• M10: 6,177,794 km (0.097 R)
• M11: 6,675,955 km (0.108 R)
• M12: 7,224,231 km (0.095 R)
• M13: 7,655,073 km (0.094 R)
• M14: 8,256,157 km (0.119 R)
• M15: 9,272,226 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 9.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.62 AU - 2.76 AU

Year: 2992 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,363,904 km

• M1: 117,434 km (0.118 R)
• M2: 683,213 km (0.056 R)
• M3: 1,005,896 km (0.102 R)
• M4: 1,432,400 km (0.079 R)
• M5: 1,829,133 km (0.059 R)
• M6: 2,187,719 km (0.092 R)
• M7: 2,487,065 km (0.072 R)
• M8: 3,349,796 km (0.086 R)
• M9: 3,652,133 km (0.099 R)
• M10: 4,556,751 km (0.116 R)
• M11: 4,977,121 km (0.119 R)
• M12: 5,474,384 km (0.084 R)
• M13: 6,685,230 km (0.072 R)
• M14: 7,198,051 km (0.114 R)
• M15: 7,999,597 km (0.053 R)
• M16: 9,038,554 km (0.103 R)
• M17: 13,862,935 km (0.091 R)
• M18: 14,597,311 km (0.117 R)
• M19: 18,025,496 km (0.118 R)
• M20: 20,860,974 km (0.09 R)
• M21: 21,371,552 km (0.11 R)
• M22: 21,955,881 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 13.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.47 AU - 3.87 AU

Year: 3828 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,363,904 km

• M1: 173,085 km (0.112 R)
• M2: 630,705 km (0.116 R)
• M3: 1,102,387 km (0.067 R)
• M4: 2,249,653 km (0.047 R)
• M5: 2,807,054 km (0.108 R)
• M6: 3,892,537 km (0.09 R)
• M7: 4,366,014 km (0.093 R)
• M8: 6,152,960 km (0.106 R)
• M9: 6,605,943 km (0.106 R)
• M10: 7,312,793 km (0.056 R)
• M11: 8,386,606 km (0.076 R)
• M12: 10,847,042 km (0.067 R)
• M13: 11,670,728 km (0.116 R)
• M14: 14,301,556 km (0.084 R)
• M15: 16,531,163 km (0.11 R)
• M16: 17,835,806 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.3

Radius: 8.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.64 AU - 3.7 AU

Year: 4769 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,363,904 km

• M1: 104,569 km (0.089 R)
• M2: 1,034,768 km (0.054 R)
• M3: 1,363,585 km (0.101 R)
• M4: 2,166,327 km (0.086 R)
• M5: 2,647,434 km (0.08 R)
• M6: 4,411,192 km (0.109 R)
• M7: 4,763,346 km (0.11 R)
• M8: 5,236,374 km (0.059 R)
• M9: 6,541,616 km (0.113 R)
• M10: 7,678,859 km (0.082 R)
• M11: 8,795,906 km (0.051 R)
• M12: 9,241,558 km (0.106 R)
• M13: 11,743,582 km (0.087 R)
• M14: 13,318,250 km (0.026 R)
• M15: 14,105,882 km (0.067 R)
• M16: 14,562,455 km (0.093 R)
• M17: 15,991,414 km (0.119 R)
• M18: 20,319,280 km (0.074 R)
• M19: 20,706,440 km (0.044 R)
• M20: 21,428,848 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 13.2

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.69 AU - 4.73 AU

Year: 6933 Days

Day: 6.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,363,904 km

• M1: 164,258 km (0.078 R)
• M2: 705,204 km (0.114 R)
• M3: 1,177,934 km (0.049 R)
• M4: 2,435,453 km (0.102 R)
• M5: 3,183,891 km (0.085 R)
• M6: 3,714,665 km (0.079 R)
• M7: 4,161,214 km (0.11 R)
• M8: 4,578,742 km (0.114 R)
• M9: 5,024,244 km (0.118 R)
• M10: 5,450,150 km (0.07 R)
• M11: 8,502,993 km (0.041 R)
• M12: 9,145,067 km (0.12 R)
• M13: 10,002,114 km (0.065 R)
• M14: 10,911,968 km (0.096 R)
• M15: 14,020,911 km (0.075 R)
• M16: 14,583,249 km (0.041 R)
• M17: 15,063,309 km (0.093 R)
• M18: 18,004,403 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358

Radius: 3.3

Gravity: 32.87 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.75 AU - 12.07 AU

Year: 21159 Days

Day: 15.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,363,904 km

• M1: 40,990 km (0.091 R)
• M2: 273,315 km (0.105 R)
• M3: 411,993 km (0.031 R)
• M4: 814,860 km (0.119 R)
• M5: 1,095,505 km (0.072 R)
• M6: 1,422,227 km (0.091 R)
• M7: 1,673,701 km (0.076 R)
• M8: 2,496,639 km (0.1 R)
• M9: 4,141,617 km (0.073 R)
• M10: 4,360,180 km (0.114 R)
• M11: 5,239,665 km (0.101 R)
• M12: 5,348,273 km (0.118 R)
• M13: 6,070,981 km (0.068 R)
• M14: 6,899,753 km (0.068 R)
• M15: 8,086,064 km (0.081 R)
• M16: 9,243,353 km (0.079 R)
• M17: 9,562,445 km (0.12 R)
• M18: 9,833,966 km (0.079 R)
• M19: 10,054,922 km (0.116 R)
• M20: 10,564,003 km (0.047 R)
• M21: 14,053,972 km (0.078 R)
• M22: 14,475,688 km (0.073 R)
• M23: 15,124,195 km (0.053 R)
• M24: 20,751,169 km (0.098 R)
• M25: 23,091,927 km (0.097 R)
• M26: 23,580,215 km (0.12 R)
• M27: 30,103,879 km (0.112 R)
• M28: 32,968,977 km (0.056 R)
• M29: 33,588,013 km (0.1 R)
• M30: 34,214,529 km (0.12 R)
• M31: 37,868,457 km (0.057 R)
• M32: 41,343,167 km (0.095 R)
• M33: 46,092,899 km (0.055 R)
• M34: 46,401,370 km (0.109 R)
• M35: 47,648,567 km (0.112 R)
• M36: 50,536,405 km (0.091 R)
• M37: 51,690,253 km (0.12 R)
• M38: 57,011,449 km (0.113 R)
• M39: 58,802,884 km (0.097 R)
• M40: 61,001,673 km (0.059 R)
• M41: 62,309,308 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.7

Radius: 4.8

Gravity: 31.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.66 AU - 11.88 AU

Year: 23973 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,363,904 km

• M1: 59,839 km (0.101 R)
• M2: 214,374 km (0.071 R)
• M3: 372,349 km (0.099 R)
• M4: 603,627 km (0.088 R)
• M5: 779,255 km (0.118 R)
• M6: 1,221,915 km (0.115 R)
• M7: 1,375,253 km (0.079 R)
• M8: 2,080,757 km (0.076 R)
• M9: 2,974,454 km (0.095 R)
• M10: 4,446,198 km (0.104 R)
• M11: 5,041,897 km (0.11 R)
• M12: 6,120,946 km (0.077 R)
• M13: 6,574,228 km (0.078 R)
• M14: 8,894,491 km (0.093 R)
• M15: 9,123,825 km (0.099 R)
• M16: 11,236,745 km (0.108 R)
• M17: 12,406,301 km (0.103 R)
• M18: 13,806,986 km (0.108 R)
• M19: 14,984,620 km (0.109 R)
• M20: 15,309,696 km (0.037 R)
• M21: 16,142,807 km (0.062 R)
• M22: 16,918,173 km (0.095 R)
• M23: 17,718,073 km (0.116 R)
• M24: 20,169,832 km (0.062 R)
• M25: 29,367,857 km (0.097 R)
• M26: 46,974,180 km (0.064 R)
• M27: 48,726,719 km (0.088 R)
• M28: 52,361,648 km (0.117 R)
• M29: 54,245,086 km (0.093 R)
• M30: 58,146,598 km (0.078 R)
• M31: 63,281,096 km (0.108 R)
• M32: 66,939,961 km (0.113 R)
• M33: 70,965,191 km (0.108 R)
• M34: 73,036,972 km (0.029 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit