🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 9.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.49 AU - 0.57 AU

Year: 257 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,521,884 km

• M1: 116,986 km (0.085 R)
• M2: 420,370 km (0.114 R)
• M3: 955,631 km (0.114 R)
• M4: 1,251,237 km (0.068 R)
• M5: 1,817,016 km (0.085 R)
• M6: 2,240,827 km (0.115 R)
• M7: 2,588,193 km (0.096 R)
• M8: 3,288,760 km (0.093 R)
• M9: 3,706,138 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 9.8

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.99 AU - 1.31 AU

Year: 822 Days

Day: 14.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,521,884 km

• M1: 121,922 km (0.058 R)
• M2: 427,850 km (0.099 R)
• M3: 837,299 km (0.09 R)
• M4: 1,260,212 km (0.091 R)
• M5: 1,823,598 km (0.087 R)
• M6: 2,976,250 km (0.104 R)
• M7: 3,480,394 km (0.103 R)
• M8: 3,917,968 km (0.047 R)
• M9: 4,391,894 km (0.088 R)
• M10: 4,903,818 km (0.114 R)
• M11: 5,417,088 km (0.047 R)
• M12: 5,845,088 km (0.083 R)
• M13: 6,508,106 km (0.063 R)
• M14: 7,266,567 km (0.053 R)
• M15: 8,182,704 km (0.071 R)
• M16: 8,905,711 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 10

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.17 AU - 2.97 AU

Year: 2747 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,521,884 km

• M1: 124,615 km (0.095 R)
• M2: 522,246 km (0.116 R)
• M3: 967,150 km (0.118 R)
• M4: 1,327,681 km (0.073 R)
• M5: 2,159,894 km (0.107 R)
• M6: 3,106,250 km (0.111 R)
• M7: 3,928,290 km (0.036 R)
• M8: 4,411,791 km (0.041 R)
• M9: 4,777,857 km (0.085 R)
• M10: 5,401,082 km (0.108 R)
• M11: 5,871,417 km (0.06 R)
• M12: 7,300,077 km (0.107 R)
• M13: 7,752,162 km (0.07 R)
• M14: 8,846,470 km (0.093 R)
• M15: 9,750,490 km (0.078 R)
• M16: 10,791,691 km (0.096 R)
• M17: 11,987,726 km (0.038 R)
• M18: 13,314,210 km (0.062 R)
• M19: 14,035,871 km (0.108 R)
• M20: 15,410,376 km (0.089 R)
• M21: 16,562,579 km (0.067 R)
• M22: 17,081,085 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 14.5

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.79 AU - 4.13 AU

Year: 4292 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,521,884 km

• M1: 180,714 km (0.038 R)
• M2: 657,483 km (0.057 R)
• M3: 1,202,318 km (0.083 R)
• M4: 2,055,624 km (0.085 R)
• M5: 2,720,437 km (0.083 R)
• M6: 3,608,749 km (0.111 R)
• M7: 6,354,020 km (0.099 R)
• M8: 8,062,876 km (0.08 R)
• M9: 9,162,122 km (0.05 R)
• M10: 10,359,204 km (0.067 R)
• M11: 11,198,448 km (0.033 R)
• M12: 12,322,825 km (0.107 R)
• M13: 13,063,036 km (0.11 R)
• M14: 15,071,387 km (0.085 R)
• M15: 17,157,230 km (0.055 R)
• M16: 18,269,490 km (0.081 R)
• M17: 18,907,824 km (0.075 R)
• M18: 20,296,990 km (0.074 R)
• M19: 23,203,827 km (0.118 R)
• M20: 24,795,398 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.9

Radius: 9.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.5 AU - 6.72 AU

Year: 8861 Days

Day: 6.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,521,884 km

• M1: 123,418 km (0.069 R)
• M2: 479,162 km (0.072 R)
• M3: 2,846,698 km (0.093 R)
• M4: 3,253,604 km (0.11 R)
• M5: 3,678,163 km (0.117 R)
• M6: 4,231,525 km (0.1 R)
• M7: 4,865,072 km (0.115 R)
• M8: 5,421,876 km (0.108 R)
• M9: 6,260,072 km (0.118 R)
• M10: 9,216,126 km (0.09 R)
• M11: 20,395,127 km (0.036 R)
• M12: 21,075,348 km (0.116 R)
• M13: 21,911,451 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.2

Radius: 4

Gravity: 26.64 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.95 AU - 7.27 AU

Year: 12643 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,521,884 km

• M1: 49,816 km (0.073 R)
• M2: 249,230 km (0.114 R)
• M3: 531,372 km (0.077 R)
• M4: 778,807 km (0.093 R)
• M5: 1,572,274 km (0.054 R)
• M6: 3,063,016 km (0.095 R)
• M7: 3,983,791 km (0.102 R)
• M8: 6,241,672 km (0.045 R)
• M9: 6,808,947 km (0.094 R)
• M10: 8,353,695 km (0.052 R)
• M11: 8,947,598 km (0.052 R)
• M12: 11,275,940 km (0.102 R)
• M13: 12,934,531 km (0.088 R)
• M14: 13,542,198 km (0.082 R)
• M15: 13,853,062 km (0.057 R)
• M16: 15,144,241 km (0.089 R)
• M17: 15,956,408 km (0.072 R)
• M18: 16,094,487 km (0.105 R)
• M19: 26,692,449 km (0.043 R)
• M20: 30,875,953 km (0.096 R)
• M21: 35,829,438 km (0.109 R)
• M22: 41,809,015 km (0.108 R)
• M23: 43,267,145 km (0.11 R)
• M24: 44,621,754 km (0.116 R)
• M25: 46,989,140 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.2

Radius: 7.4

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.07 AU - 10.37 AU

Year: 20208 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,521,884 km

• M1: 92,302 km (0.092 R)
• M2: 414,237 km (0.115 R)
• M3: 1,115,103 km (0.107 R)
• M4: 1,525,001 km (0.101 R)
• M5: 1,827,637 km (0.075 R)
• M6: 2,356,914 km (0.118 R)
• M7: 2,669,424 km (0.109 R)
• M8: 4,302,136 km (0.037 R)
• M9: 5,652,705 km (0.026 R)
• M10: 6,173,755 km (0.117 R)
• M11: 8,226,836 km (0.096 R)
• M12: 8,531,118 km (0.06 R)
• M13: 11,493,156 km (0.119 R)
• M14: 12,328,660 km (0.118 R)
• M15: 13,272,921 km (0.083 R)
• M16: 13,976,331 km (0.085 R)
• M17: 17,122,224 km (0.118 R)
• M18: 17,619,039 km (0.084 R)
• M19: 17,871,111 km (0.094 R)
• M20: 22,433,397 km (0.112 R)
• M21: 25,513,318 km (0.079 R)
• M22: 26,599,549 km (0.111 R)
• M23: 27,154,108 km (0.045 R)
• M24: 28,401,156 km (0.113 R)
• M25: 28,747,774 km (0.055 R)
• M26: 29,567,570 km (0.047 R)
• M27: 30,644,376 km (0.108 R)
• M28: 33,514,710 km (0.067 R)
• M29: 37,521,390 km (0.107 R)
• M30: 40,801,174 km (0.082 R)
• M31: 48,087,936 km (0.082 R)
• M32: 49,076,479 km (0.048 R)
• M33: 51,093,806 km (0.093 R)
• M34: 53,868,847 km (0.108 R)
• M35: 55,473,134 km (0.09 R)
• M36: 58,590,006 km (0.099 R)
• M37: 60,858,957 km (0.1 R)
• M38: 62,015,199 km (0.115 R)
• M39: 62,989,829 km (0.119 R)
• M40: 67,605,073 km (0.078 R)
• M41: 68,223,211 km (0.108 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: 222 - 16,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit