🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 13.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.73 AU - 1.09 AU

Year: 610 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,091,629 km

• M1: 169,195 km (0.11 R)
• M2: 686,355 km (0.037 R)
• M3: 1,336,208 km (0.029 R)
• M4: 1,775,428 km (0.048 R)
• M5: 2,669,424 km (0.114 R)
• M6: 3,244,479 km (0.109 R)
• M7: 3,804,274 km (0.077 R)
• M8: 4,412,988 km (0.037 R)
• M9: 5,069,423 km (0.073 R)
• M10: 5,554,419 km (0.105 R)
• M11: 6,538,325 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.86 AU - 2.7 AU

Year: 2420 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,091,629 km

• M1: 207,193 km (0.07 R)
• M2: 788,979 km (0.083 R)
• M3: 1,339,350 km (0.056 R)
• M4: 1,814,323 km (0.118 R)
• M5: 2,432,312 km (0.11 R)
• M6: 3,172,821 km (0.074 R)
• M7: 3,980,351 km (0.114 R)
• M8: 4,498,109 km (0.109 R)
• M9: 5,520,012 km (0.066 R)
• M10: 6,193,651 km (0.04 R)
• M11: 7,337,028 km (0.102 R)
• M12: 8,185,696 km (0.098 R)
• M13: 10,968,516 km (0.057 R)
• M14: 12,815,750 km (0.089 R)
• M15: 13,490,586 km (0.033 R)
• M16: 14,094,513 km (0.086 R)
• M17: 16,067,111 km (0.072 R)
• M18: 16,640,370 km (0.116 R)
• M19: 17,444,309 km (0.076 R)
• M20: 18,669,964 km (0.115 R)
• M21: 20,071,846 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 14.2

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.6 AU - 2.64 AU

Year: 2981 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,091,629 km

• M1: 176,675 km (0.107 R)
• M2: 2,357,214 km (0.086 R)
• M3: 3,954,769 km (0.085 R)
• M4: 4,525,186 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 12.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.84 AU - 3.14 AU

Year: 3634 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,091,629 km

• M1: 151,692 km (0.075 R)
• M2: 705,952 km (0.057 R)
• M3: 1,279,511 km (0.082 R)
• M4: 1,675,047 km (0.108 R)
• M5: 2,070,135 km (0.072 R)
• M6: 2,657,157 km (0.101 R)
• M7: 3,276,493 km (0.105 R)
• M8: 4,012,215 km (0.11 R)
• M9: 4,880,331 km (0.102 R)
• M10: 7,480,043 km (0.103 R)
• M11: 8,279,494 km (0.056 R)
• M12: 10,464,371 km (0.045 R)
• M13: 12,011,063 km (0.116 R)
• M14: 12,766,832 km (0.062 R)
• M15: 14,269,094 km (0.058 R)
• M16: 14,955,598 km (0.056 R)
• M17: 15,886,247 km (0.07 R)
• M18: 19,226,468 km (0.117 R)
• M19: 20,724,840 km (0.111 R)
• M20: 21,881,381 km (0.073 R)
• M21: 25,302,685 km (0.068 R)
• M22: 26,230,191 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.4

Radius: 14.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.93 AU - 3.63 AU

Year: 4176 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,091,629 km

• M1: 180,265 km (0.089 R)
• M2: 694,583 km (0.073 R)
• M3: 1,147,266 km (0.098 R)
• M4: 1,989,801 km (0.111 R)
• M5: 2,581,311 km (0.051 R)
• M6: 3,200,646 km (0.063 R)
• M7: 4,558,846 km (0.111 R)
• M8: 6,414,607 km (0.092 R)
• M9: 7,465,083 km (0.094 R)
• M10: 7,982,094 km (0.031 R)
• M11: 8,523,039 km (0.097 R)
• M12: 10,652,715 km (0.071 R)
• M13: 11,267,861 km (0.054 R)
• M14: 12,212,721 km (0.073 R)
• M15: 13,303,290 km (0.061 R)
• M16: 15,625,797 km (0.037 R)
• M17: 16,367,054 km (0.089 R)
• M18: 17,131,649 km (0.101 R)
• M19: 18,497,777 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 8.7

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.86 AU - 3.76 AU

Year: 4233 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,091,629 km

• M1: 109,057 km (0.029 R)
• M2: 440,715 km (0.084 R)
• M3: 1,555,519 km (0.053 R)
• M4: 2,141,494 km (0.115 R)
• M5: 2,471,058 km (0.089 R)
• M6: 3,418,012 km (0.104 R)
• M7: 4,474,921 km (0.118 R)
• M8: 5,497,572 km (0.053 R)
• M9: 6,609,533 km (0.098 R)
• M10: 7,062,815 km (0.061 R)
• M11: 8,167,595 km (0.069 R)
• M12: 8,548,621 km (0.1 R)
• M13: 12,991,528 km (0.086 R)
• M14: 13,273,370 km (0.086 R)
• M15: 13,946,710 km (0.094 R)
• M16: 15,623,852 km (0.085 R)
• M17: 16,374,534 km (0.105 R)
• M18: 17,659,580 km (0.062 R)
• M19: 18,063,793 km (0.079 R)
• M20: 18,890,621 km (0.066 R)
• M21: 21,196,971 km (0.065 R)
• M22: 22,183,270 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 8.1

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.07 AU - 4.71 AU

Year: 5393 Days

Day: 9.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,091,629 km

• M1: 110,254 km (0.118 R)
• M2: 419,921 km (0.071 R)
• M3: 694,882 km (0.091 R)
• M4: 1,255,725 km (0.101 R)
• M5: 1,591,123 km (0.103 R)
• M6: 1,942,080 km (0.082 R)
• M7: 2,262,817 km (0.095 R)
• M8: 5,778,667 km (0.05 R)
• M9: 7,271,803 km (0.059 R)
• M10: 9,006,241 km (0.106 R)
• M11: 9,383,676 km (0.068 R)
• M12: 11,047,354 km (0.098 R)
• M13: 12,226,335 km (0.044 R)
• M14: 13,164,014 km (0.084 R)
• M15: 14,832,030 km (0.111 R)
• M16: 15,240,732 km (0.099 R)
• M17: 15,898,065 km (0.088 R)
• M18: 16,950,785 km (0.119 R)
• M19: 17,983,459 km (0.119 R)
• M20: 21,038,996 km (0.064 R)
• M21: 24,424,246 km (0.086 R)
• M22: 25,076,493 km (0.112 R)
• M23: 27,801,867 km (0.112 R)
• M24: 28,067,104 km (0.062 R)
• M25: 28,512,905 km (0.102 R)
• M26: 30,907,518 km (0.085 R)
• M27: 32,445,983 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.1

Radius: 10.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.28 AU - 4.62 AU

Year: 6599 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 23,091,629 km

• M1: 129,402 km (0.101 R)
• M2: 489,634 km (0.11 R)
• M3: 889,210 km (0.1 R)
• M4: 1,279,062 km (0.062 R)
• M5: 1,853,817 km (0.051 R)
• M6: 2,283,013 km (0.048 R)
• M7: 2,835,478 km (0.115 R)
• M8: 3,216,803 km (0.109 R)
• M9: 3,609,647 km (0.105 R)
• M10: 4,208,487 km (0.1 R)
• M11: 4,598,788 km (0.118 R)
• M12: 6,442,133 km (0.091 R)
• M13: 8,365,363 km (0.096 R)
• M14: 10,039,513 km (0.103 R)
• M15: 10,596,765 km (0.055 R)
• M16: 13,419,378 km (0.105 R)
• M17: 13,754,776 km (0.053 R)
• M18: 17,227,840 km (0.043 R)
• M19: 17,825,035 km (0.113 R)
• M20: 20,060,626 km (0.079 R)
• M21: 20,499,845 km (0.069 R)
• M22: 22,320,750 km (0.056 R)
• M23: 24,578,631 km (0.045 R)
• M24: 26,107,970 km (0.047 R)
• M25: 26,456,234 km (0.116 R)
• M26: 27,790,198 km (0.06 R)
• M27: 30,978,877 km (0.071 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 14.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.54 AU - 5.62 AU

Year: 8048 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,091,629 km

• M1: 184,155 km (0.12 R)
• M2: 2,954,857 km (0.12 R)
• M3: 3,633,732 km (0.099 R)
• M4: 8,241,646 km (0.082 R)
• M5: 9,793,574 km (0.109 R)
• M6: 10,575,672 km (0.113 R)
• M7: 11,134,570 km (0.086 R)
• M8: 12,642,516 km (0.078 R)
• M9: 15,949,377 km (0.071 R)
• M10: 18,409,813 km (0.117 R)
• M11: 24,146,443 km (0.095 R)
• M12: 25,117,632 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.2

Radius: 5.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.19 AU - 9.05 AU

Year: 17790 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,091,629 km

• M1: 74,649 km (0.104 R)
• M2: 294,558 km (0.059 R)
• M3: 572,062 km (0.095 R)
• M4: 1,228,647 km (0.074 R)
• M5: 1,556,416 km (0.047 R)
• M6: 2,059,813 km (0.118 R)
• M7: 3,422,201 km (0.092 R)
• M8: 5,638,344 km (0.049 R)
• M9: 6,393,813 km (0.12 R)
• M10: 8,735,917 km (0.108 R)
• M11: 13,960,922 km (0.095 R)
• M12: 16,519,943 km (0.111 R)
• M13: 16,853,397 km (0.037 R)
• M14: 19,191,761 km (0.107 R)
• M15: 21,016,556 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 18,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit