🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 13.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 13.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,226,469 km

• M1: 172,935 km (0.048 R)
• M2: 662,868 km (0.098 R)
• M3: 1,103,135 km (0.112 R)
• M4: 1,743,114 km (0.12 R)
• M5: 2,175,303 km (0.101 R)
• M6: 2,652,370 km (0.115 R)
• M7: 3,328,852 km (0.099 R)
• M8: 3,980,799 km (0.057 R)
• M9: 4,511,124 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 11.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.98 AU

Year: 522 Days

Day: 10.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 99.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,226,469 km

• M1: 145,559 km (0.106 R)
• M2: 813,962 km (0.104 R)
• M3: 1,451,099 km (0.046 R)
• M4: 2,889,632 km (0.078 R)
• M5: 4,465,197 km (0.068 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 12.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.08 AU - 4.32 AU

Year: 4827 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,226,469 km

• M1: 162,613 km (0.111 R)
• M2: 1,025,344 km (0.07 R)
• M3: 1,455,886 km (0.097 R)
• M4: 1,908,270 km (0.111 R)
• M5: 3,106,101 km (0.06 R)
• M6: 4,898,283 km (0.118 R)
• M7: 5,797,366 km (0.116 R)
• M8: 6,504,815 km (0.059 R)
• M9: 7,461,044 km (0.075 R)
• M10: 8,058,089 km (0.108 R)
• M11: 9,272,974 km (0.053 R)
• M12: 14,344,042 km (0.061 R)
• M13: 16,674,029 km (0.108 R)
• M14: 19,554,536 km (0.05 R)
• M15: 21,276,108 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.7

Radius: 7.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.51 AU - 6.29 AU

Year: 9720 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,226,469 km

• M1: 95,593 km (0.088 R)
• M2: 436,227 km (0.094 R)
• M3: 752,028 km (0.089 R)
• M4: 1,348,774 km (0.074 R)
• M5: 1,909,318 km (0.057 R)
• M6: 2,357,662 km (0.108 R)
• M7: 2,912,521 km (0.103 R)
• M8: 3,356,976 km (0.079 R)
• M9: 4,355,692 km (0.072 R)
• M10: 5,599,747 km (0.099 R)
• M11: 6,584,251 km (0.069 R)
• M12: 7,605,556 km (0.084 R)
• M13: 10,003,011 km (0.107 R)
• M14: 10,965,823 km (0.084 R)
• M15: 12,343,919 km (0.04 R)
• M16: 14,280,613 km (0.1 R)
• M17: 14,968,763 km (0.1 R)
• M18: 15,261,975 km (0.113 R)
• M19: 16,535,501 km (0.082 R)
• M20: 18,009,938 km (0.11 R)
• M21: 18,475,636 km (0.085 R)
• M22: 19,500,382 km (0.084 R)
• M23: 20,275,747 km (0.12 R)
• M24: 23,190,363 km (0.057 R)
• M25: 25,034,007 km (0.093 R)
• M26: 26,714,889 km (0.064 R)
• M27: 27,935,308 km (0.117 R)
• M28: 29,742,749 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.8

Radius: 5.1

Gravity: 19.75 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.72 AU - 7.32 AU

Year: 11292 Days

Day: 24.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,226,469 km

• M1: 63,729 km (0.085 R)
• M2: 303,384 km (0.098 R)
• M3: 629,807 km (0.081 R)
• M4: 1,537,567 km (0.103 R)
• M5: 3,483,237 km (0.096 R)
• M6: 4,219,408 km (0.062 R)
• M7: 5,022,749 km (0.108 R)
• M8: 5,377,595 km (0.091 R)
• M9: 6,966,174 km (0.099 R)
• M10: 7,204,633 km (0.094 R)
• M11: 8,257,354 km (0.103 R)
• M12: 8,569,714 km (0.114 R)
• M13: 8,751,625 km (0.096 R)
• M14: 9,029,428 km (0.1 R)
• M15: 13,622,382 km (0.107 R)
• M16: 15,288,753 km (0.109 R)
• M17: 16,730,128 km (0.062 R)
• M18: 19,252,199 km (0.112 R)
• M19: 20,360,569 km (0.103 R)
• M20: 21,678,527 km (0.095 R)
• M21: 23,671,170 km (0.065 R)
• M22: 24,029,756 km (0.051 R)
• M23: 24,665,996 km (0.088 R)
• M24: 26,067,130 km (0.106 R)
• M25: 26,835,614 km (0.063 R)
• M26: 28,518,740 km (0.12 R)
• M27: 29,026,774 km (0.041 R)
• M28: 30,693,444 km (0.071 R)
• M29: 31,550,191 km (0.083 R)
• M30: 33,199,208 km (0.049 R)
• M31: 33,648,600 km (0.115 R)
• M32: 37,269,018 km (0.074 R)
• M33: 39,110,568 km (0.035 R)
• M34: 43,240,217 km (0.062 R)
• M35: 44,724,228 km (0.082 R)
• M36: 45,409,985 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.9

Radius: 4.8

Gravity: 21.31 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.34 AU - 8.7 AU

Year: 12615 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,226,469 km

• M1: 62,682 km (0.05 R)
• M2: 225,145 km (0.086 R)
• M3: 408,253 km (0.096 R)
• M4: 644,767 km (0.096 R)
• M5: 1,698,833 km (0.076 R)
• M6: 2,025,705 km (0.104 R)
• M7: 2,492,001 km (0.026 R)
• M8: 3,119,116 km (0.107 R)
• M9: 3,818,785 km (0.117 R)
• M10: 4,148,648 km (0.119 R)
• M11: 7,506,522 km (0.03 R)
• M12: 10,022,609 km (0.116 R)
• M13: 11,027,009 km (0.119 R)
• M14: 13,295,511 km (0.118 R)
• M15: 13,987,700 km (0.098 R)
• M16: 14,245,158 km (0.076 R)
• M17: 15,239,086 km (0.11 R)
• M18: 16,420,461 km (0.094 R)
• M19: 16,779,346 km (0.119 R)
• M20: 21,758,412 km (0.061 R)
• M21: 22,453,743 km (0.1 R)
• M22: 25,670,097 km (0.065 R)
• M23: 26,153,298 km (0.082 R)
• M24: 26,939,136 km (0.028 R)
• M25: 29,390,446 km (0.095 R)
• M26: 30,562,247 km (0.104 R)
• M27: 31,104,838 km (0.082 R)
• M28: 31,654,012 km (0.106 R)
• M29: 32,546,064 km (0.099 R)
• M30: 32,771,658 km (0.099 R)
• M31: 33,225,986 km (0.117 R)
• M32: 33,684,504 km (0.106 R)
• M33: 34,263,597 km (0.112 R)
• M34: 42,945,958 km (0.103 R)
• M35: 46,564,432 km (0.097 R)
• M36: 47,138,588 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.9

Radius: 6.8

Gravity: 17.69 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.26 AU - 7.58 AU

Year: 13709 Days

Day: 18.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,226,469 km

• M1: 84,523 km (0.059 R)
• M2: 355,893 km (0.1 R)
• M3: 624,422 km (0.074 R)
• M4: 961,765 km (0.118 R)
• M5: 2,504,418 km (0.103 R)
• M6: 4,340,881 km (0.091 R)
• M7: 4,827,822 km (0.055 R)
• M8: 5,278,710 km (0.098 R)
• M9: 9,309,176 km (0.108 R)
• M10: 9,897,844 km (0.115 R)
• M11: 10,972,705 km (0.109 R)
• M12: 11,812,996 km (0.048 R)
• M13: 12,123,112 km (0.027 R)
• M14: 18,597,409 km (0.105 R)
• M15: 21,031,815 km (0.054 R)
• M16: 22,991,547 km (0.083 R)
• M17: 25,376,586 km (0.047 R)
• M18: 28,583,516 km (0.111 R)
• M19: 35,530,392 km (0.051 R)
• M20: 44,263,916 km (0.116 R)
• M21: 50,329,960 km (0.106 R)
• M22: 54,155,028 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550

Radius: 7.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.57 AU - 8.31 AU

Year: 15175 Days

Day: 17.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,226,469 km

• M1: 101,427 km (0.099 R)
• M2: 461,659 km (0.116 R)
• M3: 829,221 km (0.117 R)
• M4: 2,056,672 km (0.105 R)
• M5: 2,445,327 km (0.076 R)
• M6: 3,344,111 km (0.115 R)
• M7: 4,478,511 km (0.117 R)
• M8: 4,897,086 km (0.057 R)
• M9: 6,713,952 km (0.104 R)
• M10: 8,354,443 km (0.103 R)
• M11: 8,939,370 km (0.097 R)
• M12: 10,577,317 km (0.115 R)
• M13: 12,405,703 km (0.107 R)
• M14: 12,782,540 km (0.066 R)
• M15: 14,712,502 km (0.109 R)
• M16: 15,856,477 km (0.087 R)
• M17: 16,601,025 km (0.113 R)
• M18: 19,898,462 km (0.043 R)
• M19: 23,417,452 km (0.06 R)
• M20: 27,330,334 km (0.078 R)
• M21: 30,055,559 km (0.079 R)
• M22: 30,621,487 km (0.108 R)
• M23: 42,063,032 km (0.091 R)
• M24: 42,628,811 km (0.076 R)
• M25: 47,645,276 km (0.111 R)
• M26: 49,036,088 km (0.095 R)
• M27: 49,662,903 km (0.057 R)
• M28: 49,978,255 km (0.103 R)
• M29: 52,549,543 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 7.7

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.76 AU - 10.6 AU

Year: 18865 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,226,469 km

• M1: 103,223 km (0.066 R)
• M2: 489,933 km (0.04 R)
• M3: 2,363,796 km (0.099 R)
• M4: 3,983,343 km (0.119 R)
• M5: 4,508,281 km (0.111 R)
• M6: 5,655,996 km (0.1 R)
• M7: 6,986,969 km (0.093 R)
• M8: 8,254,811 km (0.101 R)
• M9: 9,900,387 km (0.115 R)
• M10: 10,373,864 km (0.056 R)
• M11: 11,558,679 km (0.054 R)
• M12: 15,971,069 km (0.096 R)
• M13: 19,132,072 km (0.117 R)
• M14: 19,405,237 km (0.034 R)
• M15: 20,810,709 km (0.068 R)
• M16: 26,096,900 km (0.025 R)
• M17: 41,612,742 km (0.107 R)
• M18: 41,918,371 km (0.077 R)
• M19: 43,469,102 km (0.095 R)
• M20: 44,577,174 km (0.077 R)
• M21: 49,027,710 km (0.061 R)
• M22: 52,331,280 km (0.101 R)
• M23: 52,866,092 km (0.077 R)
• M24: 55,225,849 km (0.118 R)
• M25: 60,545,250 km (0.113 R)
• M26: 61,331,985 km (0.074 R)
• M27: 69,578,269 km (0.034 R)
• M28: 72,188,901 km (0.115 R)
• M29: 75,090,202 km (0.1 R)
• M30: 75,998,261 km (0.105 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 18,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit