🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 12.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.31 AU - 1.41 AU

Year: 1024 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,700,701 km

• M1: 159,172 km (0.109 R)
• M2: 689,347 km (0.078 R)
• M3: 1,207,404 km (0.059 R)
• M4: 1,662,631 km (0.068 R)
• M5: 2,296,327 km (0.077 R)
• M6: 2,933,016 km (0.109 R)
• M7: 3,699,855 km (0.097 R)
• M8: 4,244,241 km (0.117 R)
• M9: 4,735,371 km (0.097 R)
• M10: 5,151,851 km (0.056 R)
• M11: 6,355,516 km (0.049 R)
• M12: 7,093,033 km (0.047 R)
• M13: 8,659,323 km (0.039 R)
• M14: 9,368,866 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 10.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.78 AU - 2.84 AU

Year: 2267 Days

Day: 8.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,700,701 km

• M1: 128,355 km (0.055 R)
• M2: 802,742 km (0.099 R)
• M3: 1,532,331 km (0.116 R)
• M4: 2,948,873 km (0.091 R)
• M5: 3,691,627 km (0.069 R)
• M6: 6,462,927 km (0.084 R)
• M7: 7,900,413 km (0.103 R)
• M8: 9,944,219 km (0.108 R)
• M9: 10,752,796 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 10.3

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.57 AU - 3.17 AU

Year: 3139 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 70.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,700,701 km

• M1: 145,260 km (0.072 R)
• M2: 493,673 km (0.069 R)
• M3: 854,353 km (0.107 R)
• M4: 1,234,332 km (0.106 R)
• M5: 1,615,358 km (0.118 R)
• M6: 2,063,254 km (0.09 R)
• M7: 3,618,174 km (0.098 R)
• M8: 4,001,593 km (0.104 R)
• M9: 4,680,169 km (0.05 R)
• M10: 6,395,459 km (0.036 R)
• M11: 8,718,115 km (0.035 R)
• M12: 9,512,629 km (0.075 R)
• M13: 9,927,614 km (0.05 R)
• M14: 11,093,580 km (0.089 R)
• M15: 12,026,322 km (0.037 R)
• M16: 12,389,247 km (0.041 R)
• M17: 12,926,453 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 9.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.79 AU - 3.91 AU

Year: 3959 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,700,701 km

• M1: 117,285 km (0.12 R)
• M2: 438,322 km (0.111 R)
• M3: 881,281 km (0.113 R)
• M4: 1,269,787 km (0.032 R)
• M5: 1,656,946 km (0.082 R)
• M6: 1,953,898 km (0.045 R)
• M7: 2,329,089 km (0.076 R)
• M8: 2,899,057 km (0.104 R)
• M9: 3,280,233 km (0.116 R)
• M10: 3,874,435 km (0.104 R)
• M11: 4,426,601 km (0.057 R)
• M12: 5,583,142 km (0.111 R)
• M13: 6,373,318 km (0.036 R)
• M14: 7,583,116 km (0.093 R)
• M15: 8,344,719 km (0.091 R)
• M16: 8,761,798 km (0.079 R)
• M17: 9,981,020 km (0.112 R)
• M18: 12,214,517 km (0.075 R)
• M19: 14,314,871 km (0.042 R)
• M20: 15,372,976 km (0.1 R)
• M21: 17,362,927 km (0.115 R)
• M22: 17,701,018 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 9.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.95 AU - 3.93 AU

Year: 4120 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,700,701 km

• M1: 117,584 km (0.062 R)
• M2: 681,269 km (0.075 R)
• M3: 1,327,083 km (0.092 R)
• M4: 1,659,190 km (0.094 R)
• M5: 2,163,036 km (0.027 R)
• M6: 3,280,382 km (0.05 R)
• M7: 5,634,155 km (0.081 R)
• M8: 6,405,930 km (0.108 R)
• M9: 6,919,500 km (0.081 R)
• M10: 8,558,494 km (0.104 R)
• M11: 9,798,062 km (0.09 R)
• M12: 11,562,569 km (0.073 R)
• M13: 12,281,237 km (0.061 R)
• M14: 13,714,534 km (0.119 R)
• M15: 14,713,699 km (0.096 R)
• M16: 16,328,608 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 11

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.45 AU - 3.89 AU

Year: 4540 Days

Day: 8.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,700,701 km

• M1: 137,032 km (0.068 R)
• M2: 544,087 km (0.096 R)
• M3: 896,091 km (0.094 R)
• M4: 1,376,749 km (0.118 R)
• M5: 1,972,298 km (0.072 R)
• M6: 2,699,194 km (0.103 R)
• M7: 3,514,802 km (0.109 R)
• M8: 4,511,423 km (0.029 R)
• M9: 5,355,305 km (0.071 R)
• M10: 5,800,657 km (0.072 R)
• M11: 6,240,774 km (0.072 R)
• M12: 7,354,830 km (0.094 R)
• M13: 9,014,618 km (0.085 R)
• M14: 9,646,669 km (0.092 R)
• M15: 10,098,006 km (0.069 R)
• M16: 10,823,556 km (0.106 R)
• M17: 12,813,955 km (0.102 R)
• M18: 14,181,878 km (0.09 R)
• M19: 16,211,622 km (0.106 R)
• M20: 17,688,153 km (0.064 R)
• M21: 18,490,446 km (0.085 R)
• M22: 19,446,227 km (0.098 R)
• M23: 20,501,640 km (0.063 R)
• M24: 24,877,677 km (0.062 R)
• M25: 25,416,678 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.7

Radius: 4.1

Gravity: 47.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.24 AU - 8.28 AU

Year: 11348 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,700,701 km

• M1: 51,611 km (0.12 R)
• M2: 239,506 km (0.117 R)
• M3: 426,504 km (0.098 R)
• M4: 674,537 km (0.1 R)
• M5: 886,068 km (0.112 R)
• M6: 1,442,273 km (0.072 R)
• M7: 1,681,929 km (0.081 R)
• M8: 1,930,261 km (0.071 R)
• M9: 2,438,744 km (0.064 R)
• M10: 3,851,846 km (0.116 R)
• M11: 4,557,350 km (0.112 R)
• M12: 6,452,455 km (0.117 R)
• M13: 7,528,812 km (0.077 R)
• M14: 9,768,741 km (0.057 R)
• M15: 10,030,388 km (0.118 R)
• M16: 11,124,098 km (0.108 R)
• M17: 12,847,764 km (0.118 R)
• M18: 15,862,012 km (0.038 R)
• M19: 17,189,244 km (0.104 R)
• M20: 18,035,669 km (0.119 R)
• M21: 18,508,997 km (0.096 R)
• M22: 19,152,866 km (0.103 R)
• M23: 19,894,871 km (0.104 R)
• M24: 20,913,782 km (0.104 R)
• M25: 28,291,949 km (0.107 R)
• M26: 30,016,214 km (0.115 R)
• M27: 32,499,539 km (0.096 R)
• M28: 36,852,837 km (0.084 R)
• M29: 38,645,618 km (0.073 R)
• M30: 42,404,115 km (0.095 R)
• M31: 42,542,642 km (0.08 R)
• M32: 43,521,013 km (0.111 R)
• M33: 48,790,598 km (0.1 R)
• M34: 49,248,068 km (0.098 R)
• M35: 49,862,317 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.3

Radius: 3.9

Gravity: 20.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.82 AU - 7.6 AU

Year: 12500 Days

Day: 19 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,700,701 km

• M1: 49,218 km (0.118 R)
• M2: 180,864 km (0.095 R)
• M3: 304,880 km (0.088 R)
• M4: 546,032 km (0.086 R)
• M5: 867,219 km (0.059 R)
• M6: 1,043,445 km (0.089 R)
• M7: 1,416,243 km (0.115 R)
• M8: 1,795,025 km (0.052 R)
• M9: 2,116,660 km (0.101 R)
• M10: 2,937,055 km (0.098 R)
• M11: 4,492,424 km (0.03 R)
• M12: 4,635,440 km (0.071 R)
• M13: 6,634,666 km (0.093 R)
• M14: 6,820,317 km (0.05 R)
• M15: 7,202,090 km (0.115 R)
• M16: 9,373,803 km (0.1 R)
• M17: 10,184,922 km (0.104 R)
• M18: 10,734,096 km (0.088 R)
• M19: 11,041,819 km (0.1 R)
• M20: 11,567,655 km (0.113 R)
• M21: 12,110,097 km (0.093 R)
• M22: 12,955,176 km (0.067 R)
• M23: 21,338,191 km (0.116 R)
• M24: 24,809,460 km (0.074 R)
• M25: 24,987,781 km (0.05 R)
• M26: 41,692,777 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.1

Radius: 6.6

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.84 AU - 10.12 AU

Year: 15944 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,700,701 km

• M1: 86,019 km (0.102 R)
• M2: 368,460 km (0.077 R)
• M3: 2,586,996 km (0.088 R)
• M4: 4,525,336 km (0.115 R)
• M5: 8,003,785 km (0.035 R)
• M6: 10,557,122 km (0.071 R)
• M7: 10,786,904 km (0.114 R)
• M8: 14,225,561 km (0.088 R)
• M9: 15,296,532 km (0.104 R)
• M10: 15,517,039 km (0.032 R)
• M11: 20,742,493 km (0.108 R)
• M12: 23,649,628 km (0.111 R)
• M13: 24,142,703 km (0.044 R)
• M14: 28,892,884 km (0.093 R)
• M15: 30,605,181 km (0.088 R)
• M16: 33,607,311 km (0.065 R)
• M17: 35,886,584 km (0.043 R)
• M18: 38,809,876 km (0.073 R)
• M19: 43,633,809 km (0.119 R)
• M20: 44,375,216 km (0.112 R)
• M21: 44,824,160 km (0.108 R)
• M22: 51,431,000 km (0.079 R)
• M23: 57,586,653 km (0.104 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: 535 - 10,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit