🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 11.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.7 AU - 0.78 AU

Year: 432 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,736,180 km

• M1: 143,016 km (0.071 R)
• M2: 514,467 km (0.088 R)
• M3: 946,805 km (0.041 R)
• M4: 1,338,153 km (0.111 R)
• M5: 1,704,817 km (0.111 R)
• M6: 2,124,290 km (0.099 R)
• M7: 2,533,590 km (0.114 R)
• M8: 3,094,731 km (0.118 R)
• M9: 3,970,776 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 10

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 8.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,736,180 km

• M1: 124,316 km (0.111 R)
• M2: 686,804 km (0.104 R)
• M3: 1,298,360 km (0.101 R)
• M4: 1,718,132 km (0.043 R)
• M5: 2,900,852 km (0.077 R)
• M6: 3,496,252 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.4

Radius: 9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.23 AU - 1.99 AU

Year: 1386 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,736,180 km

• M1: 111,899 km (0.079 R)
• M2: 392,246 km (0.051 R)
• M3: 936,333 km (0.095 R)
• M4: 1,859,801 km (0.071 R)
• M5: 2,526,259 km (0.09 R)
• M6: 3,193,765 km (0.112 R)
• M7: 3,739,199 km (0.11 R)
• M8: 4,060,685 km (0.113 R)
• M9: 5,178,480 km (0.112 R)
• M10: 5,797,665 km (0.079 R)
• M11: 6,323,352 km (0.1 R)
• M12: 6,707,370 km (0.098 R)
• M13: 8,232,072 km (0.093 R)
• M14: 8,896,436 km (0.114 R)
• M15: 9,564,839 km (0.1 R)
• M16: 10,168,766 km (0.072 R)
• M17: 10,463,623 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 12.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.32 AU - 2.18 AU

Year: 1570 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,736,180 km

• M1: 159,322 km (0.079 R)
• M2: 700,716 km (0.112 R)
• M3: 1,318,406 km (0.118 R)
• M4: 1,897,799 km (0.04 R)
• M5: 2,383,692 km (0.071 R)
• M6: 3,025,916 km (0.033 R)
• M7: 4,422,263 km (0.069 R)
• M8: 4,861,781 km (0.119 R)
• M9: 5,330,322 km (0.093 R)
• M10: 6,162,684 km (0.071 R)
• M11: 7,079,719 km (0.104 R)
• M12: 9,089,567 km (0.093 R)
• M13: 10,625,338 km (0.048 R)
• M14: 11,455,008 km (0.086 R)
• M15: 12,601,825 km (0.04 R)
• M16: 13,448,998 km (0.113 R)
• M17: 13,865,628 km (0.103 R)
• M18: 14,420,188 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 13.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.49 AU - 4.49 AU

Year: 5406 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,736,180 km

• M1: 167,849 km (0.1 R)
• M2: 742,753 km (0.057 R)
• M3: 1,255,425 km (0.085 R)
• M4: 2,007,155 km (0.072 R)
• M5: 2,869,138 km (0.1 R)
• M6: 4,273,862 km (0.075 R)
• M7: 4,914,888 km (0.045 R)
• M8: 7,968,779 km (0.054 R)
• M9: 9,556,462 km (0.077 R)
• M10: 10,157,396 km (0.109 R)
• M11: 12,020,488 km (0.11 R)
• M12: 12,864,519 km (0.096 R)
• M13: 13,448,998 km (0.108 R)
• M14: 14,307,241 km (0.082 R)
• M15: 15,147,981 km (0.078 R)
• M16: 16,928,196 km (0.117 R)
• M17: 18,968,561 km (0.07 R)
• M18: 19,408,229 km (0.116 R)
• M19: 21,777,860 km (0.105 R)
• M20: 22,749,498 km (0.079 R)
• M21: 23,174,655 km (0.109 R)
• M22: 23,749,709 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 10.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.72 AU - 4.48 AU

Year: 5631 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,736,180 km

• M1: 131,796 km (0.078 R)
• M2: 501,302 km (0.112 R)
• M3: 1,690,456 km (0.111 R)
• M4: 2,460,287 km (0.045 R)
• M5: 3,171,774 km (0.106 R)
• M6: 3,521,534 km (0.075 R)
• M7: 5,355,604 km (0.116 R)
• M8: 7,539,134 km (0.09 R)
• M9: 8,296,100 km (0.096 R)
• M10: 15,081,410 km (0.092 R)
• M11: 15,724,083 km (0.11 R)
• M12: 18,035,818 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.5

Radius: 6.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.29 AU - 8.81 AU

Year: 12696 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,736,180 km

• M1: 134,937 km (0.103 R)
• M2: 422,764 km (0.091 R)
• M3: 690,095 km (0.09 R)
• M4: 2,268,502 km (0.116 R)
• M5: 4,014,908 km (0.064 R)
• M6: 10,435,199 km (0.047 R)
• M7: 18,297,166 km (0.071 R)
• M8: 20,951,780 km (0.119 R)
• M9: 22,808,589 km (0.112 R)
• M10: 23,777,086 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.7

Radius: 5.6

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.82 AU - 9.12 AU

Year: 15261 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,736,180 km

• M1: 69,713 km (0.094 R)
• M2: 454,927 km (0.088 R)
• M3: 813,214 km (0.09 R)
• M4: 1,208,302 km (0.108 R)
• M5: 1,848,132 km (0.062 R)
• M6: 2,335,522 km (0.07 R)
• M7: 3,038,034 km (0.088 R)
• M8: 3,364,905 km (0.044 R)
• M9: 3,562,075 km (0.099 R)
• M10: 4,285,381 km (0.075 R)
• M11: 4,696,924 km (0.093 R)
• M12: 5,667,067 km (0.115 R)
• M13: 7,569,802 km (0.106 R)
• M14: 9,178,428 km (0.037 R)
• M15: 9,811,376 km (0.112 R)
• M16: 10,062,551 km (0.093 R)
• M17: 10,629,976 km (0.117 R)
• M18: 11,382,752 km (0.059 R)
• M19: 12,112,940 km (0.102 R)
• M20: 13,419,228 km (0.081 R)
• M21: 16,168,837 km (0.101 R)
• M22: 17,308,174 km (0.109 R)
• M23: 18,197,085 km (0.092 R)
• M24: 19,985,228 km (0.097 R)
• M25: 20,715,715 km (0.048 R)
• M26: 25,101,476 km (0.091 R)
• M27: 26,142,976 km (0.113 R)
• M28: 26,335,359 km (0.059 R)
• M29: 30,919,038 km (0.079 R)
• M30: 31,350,478 km (0.108 R)
• M31: 35,064,395 km (0.115 R)
• M32: 38,437,079 km (0.056 R)
• M33: 39,565,495 km (0.098 R)
• M34: 45,401,308 km (0.103 R)
• M35: 48,233,794 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.6

Radius: 4.2

Gravity: 55.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.19 AU - 10.51 AU

Year: 22584 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 62.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 92,736,180 km

• M1: 52,210 km (0.097 R)
• M2: 306,526 km (0.118 R)
• M3: 491,728 km (0.088 R)
• M4: 668,104 km (0.085 R)
• M5: 1,052,720 km (0.054 R)
• M6: 1,757,625 km (0.103 R)
• M7: 2,086,890 km (0.106 R)
• M8: 2,312,633 km (0.092 R)
• M9: 2,921,646 km (0.118 R)
• M10: 3,992,019 km (0.073 R)
• M11: 5,851,521 km (0.109 R)
• M12: 9,015,067 km (0.085 R)
• M13: 11,777,242 km (0.106 R)
• M14: 12,934,531 km (0.102 R)
• M15: 13,463,958 km (0.076 R)
• M16: 15,641,355 km (0.113 R)
• M17: 16,680,312 km (0.083 R)
• M18: 19,379,357 km (0.051 R)
• M19: 19,972,064 km (0.113 R)
• M20: 23,449,017 km (0.091 R)
• M21: 23,896,016 km (0.087 R)
• M22: 25,741,306 km (0.072 R)
• M23: 28,811,054 km (0.103 R)
• M24: 30,235,674 km (0.106 R)
• M25: 30,632,258 km (0.109 R)
• M26: 35,080,551 km (0.075 R)
• M27: 40,258,283 km (0.115 R)
• M28: 41,060,277 km (0.102 R)
• M29: 42,036,702 km (0.114 R)
• M30: 44,204,974 km (0.112 R)
• M31: 47,506,449 km (0.115 R)
• M32: 51,155,141 km (0.032 R)
• M33: 54,986,343 km (0.088 R)
• M34: 59,004,392 km (0.051 R)
• M35: 63,213,777 km (0.084 R)
• M36: 63,429,348 km (0.117 R)
• M37: 64,296,566 km (0.096 R)
• M38: 66,498,946 km (0.055 R)
• M39: 66,721,997 km (0.072 R)
• M40: 69,436,600 km (0.094 R)
• M41: 73,645,386 km (0.027 R)
• M42: 79,016,249 km (0.099 R)
• M43: 81,032,379 km (0.099 R)
• M44: 84,642,326 km (0.12 R)
• M45: 89,439,481 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 17,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit