🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 9.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.56 AU - 0.76 AU

Year: 364 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,115,447 km

• M1: 118,332 km (0.107 R)
• M2: 515,365 km (0.104 R)
• M3: 813,214 km (0.088 R)
• M4: 1,374,206 km (0.104 R)
• M5: 1,715,439 km (0.068 R)
• M6: 2,097,811 km (0.118 R)
• M7: 2,398,203 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.3

Radius: 10.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 7.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,115,447 km

• M1: 135,386 km (0.071 R)
• M2: 573,558 km (0.058 R)
• M3: 928,554 km (0.089 R)
• M4: 1,708,408 km (0.074 R)
• M5: 2,209,860 km (0.107 R)
• M6: 2,870,035 km (0.097 R)
• M7: 3,438,806 km (0.11 R)
• M8: 3,923,354 km (0.095 R)
• M9: 4,368,707 km (0.051 R)
• M10: 4,984,003 km (0.116 R)
• M11: 5,774,029 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.75 AU - 0.77 AU

Year: 449 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 119.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,115,447 km

• M1: 182,809 km (0.053 R)
• M2: 654,491 km (0.115 R)
• M3: 1,151,156 km (0.081 R)
• M4: 1,934,300 km (0.115 R)
• M5: 2,520,275 km (0.119 R)
• M6: 3,003,177 km (0.095 R)
• M7: 3,688,934 km (0.116 R)
• M8: 4,437,073 km (0.1 R)
• M9: 4,971,137 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.6

Radius: 9.8

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.89 AU - 1.45 AU

Year: 858 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,115,447 km

• M1: 122,521 km (0.03 R)
• M2: 543,788 km (0.118 R)
• M3: 865,872 km (0.117 R)
• M4: 1,234,332 km (0.084 R)
• M5: 1,579,006 km (0.07 R)
• M6: 2,058,317 km (0.114 R)
• M7: 2,399,999 km (0.097 R)
• M8: 2,705,477 km (0.057 R)
• M9: 3,541,281 km (0.1 R)
• M10: 4,051,858 km (0.114 R)
• M11: 4,992,979 km (0.108 R)
• M12: 5,967,160 km (0.112 R)
• M13: 6,533,089 km (0.081 R)
• M14: 7,254,300 km (0.058 R)
• M15: 7,924,947 km (0.105 R)
• M16: 8,262,290 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 9.5

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.95 AU - 2.41 AU

Year: 2183 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,115,447 km

• M1: 118,182 km (0.103 R)
• M2: 611,257 km (0.108 R)
• M3: 912,547 km (0.112 R)
• M4: 1,325,736 km (0.059 R)
• M5: 1,782,159 km (0.106 R)
• M6: 2,129,974 km (0.068 R)
• M7: 2,437,996 km (0.108 R)
• M8: 2,916,560 km (0.051 R)
• M9: 4,804,336 km (0.081 R)
• M10: 5,608,723 km (0.053 R)
• M11: 6,336,517 km (0.088 R)
• M12: 7,096,474 km (0.11 R)
• M13: 10,372,069 km (0.099 R)
• M14: 12,168,291 km (0.041 R)
• M15: 13,385,569 km (0.088 R)
• M16: 13,931,302 km (0.056 R)
• M17: 14,825,747 km (0.102 R)
• M18: 15,164,886 km (0.103 R)
• M19: 17,362,329 km (0.042 R)
• M20: 17,739,166 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 10.7

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.53 AU - 2.79 AU

Year: 2942 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,115,447 km

• M1: 133,142 km (0.077 R)
• M2: 488,287 km (0.081 R)
• M3: 1,263,055 km (0.119 R)
• M4: 1,609,823 km (0.105 R)
• M5: 2,072,678 km (0.067 R)
• M6: 2,458,641 km (0.113 R)
• M7: 3,525,872 km (0.104 R)
• M8: 4,080,432 km (0.036 R)
• M9: 4,422,861 km (0.091 R)
• M10: 4,925,211 km (0.076 R)
• M11: 5,882,787 km (0.071 R)
• M12: 6,577,669 km (0.077 R)
• M13: 7,965,339 km (0.067 R)
• M14: 8,298,493 km (0.053 R)
• M15: 12,742,597 km (0.108 R)
• M16: 13,762,107 km (0.072 R)
• M17: 17,704,010 km (0.082 R)
• M18: 18,101,193 km (0.109 R)
• M19: 20,054,343 km (0.076 R)
• M20: 20,423,999 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 11.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.37 AU - 5.31 AU

Year: 6132 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,115,447 km

• M1: 147,055 km (0.099 R)
• M2: 553,961 km (0.1 R)
• M3: 1,078,301 km (0.117 R)
• M4: 1,561,054 km (0.116 R)
• M5: 2,107,984 km (0.116 R)
• M6: 2,649,677 km (0.092 R)
• M7: 3,054,639 km (0.097 R)
• M8: 3,966,288 km (0.083 R)
• M9: 6,059,761 km (0.086 R)
• M10: 8,191,680 km (0.08 R)
• M11: 8,638,529 km (0.098 R)
• M12: 9,274,320 km (0.057 R)
• M13: 9,715,185 km (0.065 R)
• M14: 10,262,713 km (0.096 R)
• M15: 11,024,765 km (0.071 R)
• M16: 12,030,062 km (0.046 R)
• M17: 14,928,970 km (0.099 R)
• M18: 16,348,803 km (0.094 R)
• M19: 17,588,072 km (0.098 R)
• M20: 19,815,136 km (0.069 R)
• M21: 20,622,366 km (0.066 R)
• M22: 24,906,699 km (0.071 R)
• M23: 26,369,617 km (0.063 R)
• M24: 31,892,022 km (0.092 R)
• M25: 33,615,988 km (0.096 R)
• M26: 34,975,533 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 9.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.26 AU - 5.66 AU

Year: 7492 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,115,447 km

• M1: 113,246 km (0.111 R)
• M2: 577,597 km (0.107 R)
• M3: 954,285 km (0.052 R)
• M4: 1,397,095 km (0.107 R)
• M5: 1,687,464 km (0.118 R)
• M6: 2,049,640 km (0.115 R)
• M7: 3,219,795 km (0.077 R)
• M8: 3,572,098 km (0.109 R)
• M9: 4,073,400 km (0.108 R)
• M10: 4,648,305 km (0.104 R)
• M11: 4,955,429 km (0.071 R)
• M12: 5,396,294 km (0.107 R)
• M13: 6,913,366 km (0.048 R)
• M14: 7,389,387 km (0.107 R)
• M15: 8,488,931 km (0.053 R)
• M16: 9,382,629 km (0.093 R)
• M17: 10,814,580 km (0.071 R)
• M18: 11,107,791 km (0.045 R)
• M19: 11,456,504 km (0.087 R)
• M20: 13,034,762 km (0.061 R)
• M21: 16,105,408 km (0.115 R)
• M22: 18,080,399 km (0.1 R)
• M23: 18,843,348 km (0.056 R)
• M24: 19,268,505 km (0.025 R)
• M25: 24,628,297 km (0.105 R)
• M26: 29,744,395 km (0.118 R)
• M27: 30,612,063 km (0.112 R)
• M28: 31,101,397 km (0.08 R)
• M29: 33,834,102 km (0.052 R)
• M30: 34,357,245 km (0.068 R)
• M31: 36,503,526 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 10.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.2 AU - 5.2 AU

Year: 8043 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,115,447 km

• M1: 130,599 km (0.092 R)
• M2: 504,594 km (0.09 R)
• M3: 892,202 km (0.076 R)
• M4: 1,392,756 km (0.087 R)
• M5: 1,821,354 km (0.093 R)
• M6: 2,211,356 km (0.117 R)
• M7: 2,727,917 km (0.051 R)
• M8: 4,122,469 km (0.076 R)
• M9: 4,593,103 km (0.037 R)
• M10: 5,210,643 km (0.097 R)
• M11: 6,223,870 km (0.049 R)
• M12: 8,286,675 km (0.057 R)
• M13: 9,578,752 km (0.033 R)
• M14: 11,187,527 km (0.085 R)
• M15: 13,125,867 km (0.036 R)
• M16: 13,496,122 km (0.082 R)
• M17: 15,570,595 km (0.094 R)
• M18: 16,838,138 km (0.1 R)
• M19: 18,766,604 km (0.11 R)
• M20: 20,981,251 km (0.117 R)
• M21: 23,909,480 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.8

Radius: 4.6

Gravity: 21.78 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.85 AU - 8.79 AU

Year: 16277 Days

Day: 22.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,115,447 km

• M1: 57,296 km (0.086 R)
• M2: 203,304 km (0.047 R)
• M3: 390,151 km (0.098 R)
• M4: 564,732 km (0.1 R)
• M5: 810,671 km (0.082 R)
• M6: 975,229 km (0.085 R)
• M7: 1,415,345 km (0.109 R)
• M8: 2,239,929 km (0.078 R)
• M9: 2,420,643 km (0.103 R)
• M10: 2,743,475 km (0.099 R)
• M11: 5,173,394 km (0.097 R)
• M12: 6,599,061 km (0.08 R)
• M13: 8,603,224 km (0.096 R)
• M14: 9,199,222 km (0.08 R)
• M15: 10,090,227 km (0.078 R)
• M16: 11,152,372 km (0.083 R)
• M17: 17,912,849 km (0.055 R)
• M18: 20,314,493 km (0.104 R)
• M19: 20,836,889 km (0.099 R)
• M20: 26,356,751 km (0.112 R)
• M21: 26,562,748 km (0.092 R)
• M22: 27,821,314 km (0.061 R)
• M23: 30,911,707 km (0.105 R)
• M24: 37,503,139 km (0.12 R)
• M25: 41,124,604 km (0.084 R)
• M26: 42,948,501 km (0.093 R)
• M27: 47,972,297 km (0.118 R)
• M28: 49,521,234 km (0.063 R)
• M29: 54,701,209 km (0.108 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 19,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit