🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.6

Radius: 14.5

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.61 AU - 0.77 AU

Year: 364 Days

Day: 9.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,329,930 km

• M1: 180,415 km (0.026 R)
• M2: 633,846 km (0.085 R)
• M3: 1,085,183 km (0.101 R)
• M4: 1,910,215 km (0.049 R)
• M5: 2,394,314 km (0.071 R)
• M6: 3,001,980 km (0.111 R)
• M7: 3,652,582 km (0.107 R)
• M8: 4,628,409 km (0.077 R)
• M9: 5,103,681 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 9.1

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.34 AU - 1.64 AU

Year: 1156 Days

Day: 12.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,329,930 km

• M1: 113,246 km (0.078 R)
• M2: 423,063 km (0.101 R)
• M3: 725,699 km (0.094 R)
• M4: 1,159,234 km (0.088 R)
• M5: 1,473,389 km (0.082 R)
• M6: 1,854,565 km (0.119 R)
• M7: 2,334,624 km (0.057 R)
• M8: 2,653,866 km (0.061 R)
• M9: 2,988,816 km (0.06 R)
• M10: 3,425,043 km (0.118 R)
• M11: 4,373,045 km (0.082 R)
• M12: 5,947,114 km (0.09 R)
• M13: 6,275,631 km (0.109 R)
• M14: 6,993,102 km (0.057 R)
• M15: 7,285,267 km (0.058 R)
• M16: 8,130,644 km (0.087 R)
• M17: 9,097,346 km (0.1 R)
• M18: 9,416,438 km (0.09 R)
• M19: 9,893,954 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 12.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.62 AU - 2.18 AU

Year: 1665 Days

Day: 7.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,329,930 km

• M1: 157,975 km (0.102 R)
• M2: 611,406 km (0.074 R)
• M3: 1,101,190 km (0.076 R)
• M4: 1,644,529 km (0.064 R)
• M5: 2,466,420 km (0.05 R)
• M6: 3,009,012 km (0.048 R)
• M7: 3,447,034 km (0.068 R)
• M8: 4,184,552 km (0.028 R)
• M9: 5,131,955 km (0.049 R)
• M10: 5,738,126 km (0.064 R)
• M11: 6,266,954 km (0.098 R)
• M12: 7,312,194 km (0.079 R)
• M13: 7,732,864 km (0.056 R)
• M14: 8,140,069 km (0.07 R)
• M15: 9,351,064 km (0.078 R)
• M16: 10,607,686 km (0.069 R)
• M17: 12,441,307 km (0.074 R)
• M18: 13,165,211 km (0.048 R)
• M19: 13,579,448 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 9.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.11 AU - 2.77 AU

Year: 2423 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,329,930 km

• M1: 122,670 km (0.025 R)
• M2: 453,880 km (0.08 R)
• M3: 862,432 km (0.043 R)
• M4: 1,249,741 km (0.057 R)
• M5: 2,076,568 km (0.071 R)
• M6: 3,132,729 km (0.085 R)
• M7: 3,525,274 km (0.104 R)
• M8: 4,106,162 km (0.084 R)
• M9: 5,387,169 km (0.075 R)
• M10: 5,726,906 km (0.083 R)
• M11: 6,132,615 km (0.106 R)
• M12: 7,260,583 km (0.072 R)
• M13: 7,736,454 km (0.039 R)
• M14: 8,950,291 km (0.084 R)
• M15: 10,925,731 km (0.102 R)
• M16: 12,576,095 km (0.058 R)
• M17: 14,665,378 km (0.062 R)
• M18: 15,090,386 km (0.027 R)
• M19: 15,475,002 km (0.081 R)
• M20: 16,364,361 km (0.076 R)
• M21: 16,924,456 km (0.096 R)
• M22: 17,815,162 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130

Radius: 11.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.67 AU - 3.11 AU

Year: 3124 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,329,930 km

• M1: 147,055 km (0.073 R)
• M2: 515,365 km (0.11 R)
• M3: 1,047,933 km (0.098 R)
• M4: 1,620,295 km (0.108 R)
• M5: 2,097,661 km (0.07 R)
• M6: 2,681,093 km (0.076 R)
• M7: 3,147,689 km (0.041 R)
• M8: 3,700,603 km (0.086 R)
• M9: 4,087,163 km (0.093 R)
• M10: 4,500,802 km (0.096 R)
• M11: 5,002,254 km (0.095 R)
• M12: 5,476,628 km (0.093 R)
• M13: 5,958,334 km (0.101 R)
• M14: 7,762,933 km (0.108 R)
• M15: 9,623,481 km (0.104 R)
• M16: 11,029,851 km (0.074 R)
• M17: 11,693,318 km (0.116 R)
• M18: 12,346,013 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 11.8

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.71 AU - 3.45 AU

Year: 3437 Days

Day: 12.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,329,930 km

• M1: 147,653 km (0.09 R)
• M2: 577,897 km (0.042 R)
• M3: 1,038,508 km (0.062 R)
• M4: 1,913,058 km (0.109 R)
• M5: 2,918,206 km (0.09 R)
• M6: 3,316,884 km (0.028 R)
• M7: 3,811,604 km (0.106 R)
• M8: 5,022,300 km (0.065 R)
• M9: 5,703,419 km (0.117 R)
• M10: 7,375,025 km (0.106 R)
• M11: 7,823,370 km (0.071 R)
• M12: 8,495,364 km (0.101 R)
• M13: 9,242,007 km (0.108 R)
• M14: 10,784,959 km (0.066 R)
• M15: 11,660,556 km (0.069 R)
• M16: 12,493,217 km (0.034 R)
• M17: 16,385,305 km (0.117 R)
• M18: 18,111,814 km (0.098 R)
• M19: 20,203,342 km (0.106 R)
• M20: 21,533,118 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.1

Radius: 8.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.72 AU - 4.84 AU

Year: 5630 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,329,930 km

• M1: 147,354 km (0.109 R)
• M2: 537,356 km (0.117 R)
• M3: 991,834 km (0.038 R)
• M4: 1,642,734 km (0.103 R)
• M5: 2,090,780 km (0.086 R)
• M6: 2,538,227 km (0.104 R)
• M7: 3,176,860 km (0.065 R)
• M8: 3,686,840 km (0.093 R)
• M9: 5,124,625 km (0.053 R)
• M10: 6,201,580 km (0.114 R)
• M11: 7,456,107 km (0.085 R)
• M12: 7,828,905 km (0.089 R)
• M13: 8,321,382 km (0.085 R)
• M14: 9,290,776 km (0.071 R)
• M15: 10,168,317 km (0.086 R)
• M16: 12,320,133 km (0.115 R)
• M17: 18,040,606 km (0.098 R)
• M18: 21,916,986 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 11.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.45 AU - 5.13 AU

Year: 6666 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 128.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,329,930 km

• M1: 145,559 km (0.06 R)
• M2: 529,576 km (0.044 R)
• M3: 1,014,872 km (0.104 R)
• M4: 1,605,484 km (0.084 R)
• M5: 2,228,410 km (0.09 R)
• M6: 2,767,860 km (0.086 R)
• M7: 3,460,648 km (0.046 R)
• M8: 5,560,403 km (0.093 R)
• M9: 6,213,398 km (0.077 R)
• M10: 6,664,884 km (0.067 R)
• M11: 7,212,861 km (0.079 R)
• M12: 8,234,166 km (0.061 R)
• M13: 8,694,329 km (0.099 R)
• M14: 9,439,177 km (0.077 R)
• M15: 10,178,639 km (0.091 R)
• M16: 13,993,086 km (0.054 R)
• M17: 15,831,643 km (0.085 R)
• M18: 16,282,831 km (0.069 R)
• M19: 16,808,966 km (0.117 R)
• M20: 23,287,452 km (0.065 R)
• M21: 25,771,076 km (0.103 R)
• M22: 27,583,454 km (0.112 R)
• M23: 31,460,881 km (0.101 R)
• M24: 37,821,483 km (0.05 R)
• M25: 38,978,324 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 11,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit