🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.1

Radius: 13.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.85 AU - 1.05 AU

Year: 628 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,058,379 km

• M1: 173,384 km (0.043 R)
• M2: 639,680 km (0.074 R)
• M3: 1,166,564 km (0.085 R)
• M4: 1,748,201 km (0.083 R)
• M5: 2,204,773 km (0.038 R)
• M6: 3,000,335 km (0.098 R)
• M7: 3,472,765 km (0.059 R)
• M8: 3,936,219 km (0.052 R)
• M9: 5,093,658 km (0.054 R)
• M10: 5,733,189 km (0.083 R)
• M11: 6,487,760 km (0.117 R)
• M12: 8,244,189 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.3

Radius: 8.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.6 AU - 1.68 AU

Year: 1424 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,058,379 km

• M1: 106,813 km (0.093 R)
• M2: 420,220 km (0.077 R)
• M3: 707,299 km (0.053 R)
• M4: 1,157,140 km (0.074 R)
• M5: 1,472,193 km (0.115 R)
• M6: 1,959,433 km (0.068 R)
• M7: 2,492,450 km (0.116 R)
• M8: 2,843,856 km (0.036 R)
• M9: 3,483,835 km (0.025 R)
• M10: 4,166,899 km (0.065 R)
• M11: 5,161,875 km (0.066 R)
• M12: 6,134,111 km (0.092 R)
• M13: 7,713,865 km (0.102 R)
• M14: 8,199,908 km (0.071 R)
• M15: 9,036,609 km (0.046 R)
• M16: 9,664,022 km (0.114 R)
• M17: 9,928,960 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 14.1

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.31 AU - 2.85 AU

Year: 2811 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,058,379 km

• M1: 175,329 km (0.11 R)
• M2: 761,304 km (0.07 R)
• M3: 1,293,124 km (0.071 R)
• M4: 2,027,051 km (0.11 R)
• M5: 2,788,654 km (0.107 R)
• M6: 3,228,771 km (0.119 R)
• M7: 3,734,711 km (0.094 R)
• M8: 4,571,861 km (0.118 R)
• M9: 5,531,082 km (0.077 R)
• M10: 6,994,448 km (0.11 R)
• M11: 8,008,124 km (0.048 R)
• M12: 9,838,304 km (0.118 R)
• M13: 10,950,714 km (0.071 R)
• M14: 11,558,231 km (0.102 R)
• M15: 12,017,945 km (0.085 R)
• M16: 12,533,459 km (0.056 R)
• M17: 15,236,394 km (0.116 R)
• M18: 17,640,581 km (0.103 R)
• M19: 18,875,511 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 8.1

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.74 AU - 5.42 AU

Year: 6648 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,058,379 km

• M1: 109,356 km (0.105 R)
• M2: 390,750 km (0.108 R)
• M3: 2,487,962 km (0.078 R)
• M4: 2,873,925 km (0.101 R)
• M5: 3,676,816 km (0.108 R)
• M6: 3,950,281 km (0.097 R)
• M7: 4,621,377 km (0.099 R)
• M8: 4,918,778 km (0.09 R)
• M9: 5,229,044 km (0.08 R)
• M10: 6,844,851 km (0.098 R)
• M11: 7,692,771 km (0.059 R)
• M12: 7,990,471 km (0.106 R)
• M13: 10,767,008 km (0.114 R)
• M14: 11,872,237 km (0.042 R)
• M15: 16,264,281 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.6

Radius: 3.2

Gravity: 28.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.74 AU - 7.56 AU

Year: 11631 Days

Day: 24.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,058,379 km

• M1: 40,092 km (0.079 R)
• M2: 154,535 km (0.105 R)
• M3: 323,431 km (0.068 R)
• M4: 533,616 km (0.095 R)
• M5: 882,179 km (0.09 R)
• M6: 2,453,255 km (0.095 R)
• M7: 2,945,133 km (0.092 R)
• M8: 5,138,836 km (0.082 R)
• M9: 6,778,728 km (0.041 R)
• M10: 7,617,075 km (0.104 R)
• M11: 8,824,629 km (0.039 R)
• M12: 13,259,158 km (0.118 R)
• M13: 14,079,104 km (0.109 R)
• M14: 18,690,010 km (0.063 R)
• M15: 19,569,795 km (0.117 R)
• M16: 21,332,656 km (0.106 R)
• M17: 21,809,275 km (0.097 R)
• M18: 22,866,483 km (0.04 R)
• M19: 24,472,117 km (0.107 R)
• M20: 26,332,666 km (0.093 R)
• M21: 27,906,136 km (0.118 R)
• M22: 29,150,791 km (0.077 R)
• M23: 30,532,177 km (0.098 R)
• M24: 31,853,276 km (0.117 R)
• M25: 32,267,363 km (0.113 R)
• M26: 32,685,040 km (0.057 R)
• M27: 33,424,503 km (0.09 R)
• M28: 37,749,826 km (0.093 R)
• M29: 39,508,050 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.3

Radius: 7.1

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.53 AU - 10.47 AU

Year: 16808 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,058,379 km

• M1: 88,263 km (0.08 R)
• M2: 368,908 km (0.083 R)
• M3: 2,522,370 km (0.103 R)
• M4: 2,790,150 km (0.115 R)
• M5: 3,571,200 km (0.065 R)
• M6: 4,027,324 km (0.089 R)
• M7: 4,300,640 km (0.048 R)
• M8: 5,302,497 km (0.091 R)
• M9: 5,594,212 km (0.097 R)
• M10: 5,973,742 km (0.043 R)
• M11: 7,041,422 km (0.064 R)
• M12: 8,924,411 km (0.104 R)
• M13: 10,036,521 km (0.08 R)
• M14: 11,238,241 km (0.1 R)
• M15: 12,028,566 km (0.11 R)
• M16: 12,469,132 km (0.082 R)
• M17: 14,410,164 km (0.102 R)
• M18: 14,692,904 km (0.077 R)
• M19: 18,379,894 km (0.097 R)
• M20: 18,628,974 km (0.062 R)
• M21: 20,613,839 km (0.094 R)
• M22: 31,601,054 km (0.093 R)
• M23: 34,036,508 km (0.117 R)
• M24: 37,920,218 km (0.098 R)
• M25: 50,833,057 km (0.084 R)
• M26: 52,649,175 km (0.101 R)
• M27: 53,827,109 km (0.042 R)
• M28: 57,289,402 km (0.098 R)
• M29: 57,643,500 km (0.069 R)
• M30: 61,451,215 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.8

Radius: 7.9

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.6 AU - 10.74 AU

Year: 23639 Days

Day: 15 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,058,379 km

• M1: 98,286 km (0.069 R)
• M2: 393,891 km (0.117 R)
• M3: 1,070,522 km (0.117 R)
• M4: 1,554,322 km (0.053 R)
• M5: 2,726,421 km (0.09 R)
• M6: 4,166,002 km (0.067 R)
• M7: 4,470,882 km (0.078 R)
• M8: 4,975,027 km (0.115 R)
• M9: 6,947,774 km (0.06 R)
• M10: 11,156,710 km (0.112 R)
• M11: 11,613,731 km (0.108 R)
• M12: 14,700,384 km (0.069 R)
• M13: 15,569,997 km (0.096 R)
• M14: 17,238,163 km (0.104 R)
• M15: 18,656,051 km (0.103 R)
• M16: 24,339,125 km (0.119 R)
• M17: 24,776,549 km (0.069 R)
• M18: 28,226,126 km (0.106 R)
• M19: 34,116,842 km (0.119 R)
• M20: 39,411,559 km (0.063 R)
• M21: 56,026,048 km (0.053 R)
• M22: 69,730,859 km (0.085 R)
• M23: 70,613,187 km (0.09 R)
• M24: 77,234,089 km (0.04 R)
• M25: 77,941,837 km (0.116 R)
• M26: 79,370,048 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,739 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit