🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 15 Hours

Environment

Temp: -135 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,147,075 km

• M1: 167,849 km (0.079 R)
• M2: 628,461 km (0.054 R)
• M3: 1,228,797 km (0.107 R)
• M4: 1,697,188 km (0.085 R)
• M5: 2,143,289 km (0.106 R)
• M6: 2,634,419 km (0.12 R)
• M7: 3,410,682 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 11.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.66 AU - 0.68 AU

Year: 366 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,147,075 km

• M1: 138,228 km (0.045 R)
• M2: 517,758 km (0.096 R)
• M3: 908,209 km (0.117 R)
• M4: 1,658,292 km (0.092 R)
• M5: 2,072,828 km (0.072 R)
• M6: 2,907,285 km (0.082 R)
• M7: 3,571,799 km (0.105 R)
• M8: 3,952,525 km (0.047 R)
• M9: 4,463,552 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 12.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.71 AU - 0.77 AU

Year: 424 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,147,075 km

• M1: 153,338 km (0.111 R)
• M2: 735,423 km (0.068 R)
• M3: 1,361,939 km (0.12 R)
• M4: 1,770,192 km (0.109 R)
• M5: 2,197,144 km (0.12 R)
• M6: 3,866,806 km (0.091 R)
• M7: 4,477,165 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.1

Radius: 10.6

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.6 AU - 0.96 AU

Year: 459 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,147,075 km

• M1: 131,796 km (0.088 R)
• M2: 495,468 km (0.11 R)
• M3: 829,371 km (0.116 R)
• M4: 1,304,344 km (0.048 R)
• M5: 2,236,937 km (0.039 R)
• M6: 2,733,452 km (0.104 R)
• M7: 3,640,614 km (0.067 R)
• M8: 4,487,487 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 14.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.17 AU - 2.35 AU

Year: 2266 Days

Day: 6.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,147,075 km

• M1: 185,352 km (0.059 R)
• M2: 651,499 km (0.048 R)
• M3: 1,248,394 km (0.109 R)
• M4: 1,716,037 km (0.035 R)
• M5: 2,547,652 km (0.12 R)
• M6: 3,089,645 km (0.042 R)
• M7: 3,618,174 km (0.081 R)
• M8: 4,227,037 km (0.069 R)
• M9: 4,904,117 km (0.091 R)
• M10: 5,652,855 km (0.073 R)
• M11: 6,476,840 km (0.111 R)
• M12: 7,528,064 km (0.098 R)
• M13: 8,110,748 km (0.117 R)
• M14: 9,263,250 km (0.093 R)
• M15: 9,825,439 km (0.093 R)
• M16: 10,902,543 km (0.064 R)
• M17: 11,609,692 km (0.084 R)
• M18: 12,098,129 km (0.067 R)
• M19: 13,557,008 km (0.088 R)
• M20: 14,144,927 km (0.109 R)
• M21: 14,797,025 km (0.103 R)
• M22: 15,812,645 km (0.078 R)
• M23: 16,874,341 km (0.108 R)
• M24: 18,037,165 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 11.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.88 AU - 2.92 AU

Year: 3293 Days

Day: 7.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,147,075 km

• M1: 146,756 km (0.096 R)
• M2: 817,552 km (0.096 R)
• M3: 2,213,600 km (0.078 R)
• M4: 2,651,024 km (0.103 R)
• M5: 3,841,673 km (0.046 R)
• M6: 4,215,818 km (0.096 R)
• M7: 6,909,626 km (0.065 R)
• M8: 8,563,880 km (0.11 R)
• M9: 9,728,350 km (0.119 R)
• M10: 12,103,814 km (0.114 R)
• M11: 14,994,643 km (0.071 R)
• M12: 16,736,561 km (0.07 R)
• M13: 17,571,467 km (0.106 R)
• M14: 20,430,581 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.2

Radius: 7.6

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.85 AU - 8.21 AU

Year: 12430 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,147,075 km

• M1: 94,546 km (0.068 R)
• M2: 626,516 km (0.086 R)
• M3: 1,029,084 km (0.091 R)
• M4: 1,355,506 km (0.104 R)
• M5: 1,625,979 km (0.102 R)
• M6: 2,749,609 km (0.097 R)
• M7: 5,077,801 km (0.084 R)
• M8: 5,665,571 km (0.082 R)
• M9: 6,221,027 km (0.095 R)
• M10: 6,812,238 km (0.052 R)
• M11: 7,354,381 km (0.107 R)
• M12: 7,746,327 km (0.115 R)
• M13: 8,244,339 km (0.075 R)
• M14: 9,154,343 km (0.046 R)
• M15: 11,229,564 km (0.107 R)
• M16: 12,165,149 km (0.115 R)
• M17: 12,590,456 km (0.112 R)
• M18: 14,458,634 km (0.119 R)
• M19: 19,303,062 km (0.116 R)
• M20: 20,472,020 km (0.111 R)
• M21: 21,864,926 km (0.11 R)
• M22: 23,042,261 km (0.043 R)
• M23: 24,261,334 km (0.117 R)
• M24: 26,421,228 km (0.116 R)
• M25: 29,896,835 km (0.1 R)
• M26: 32,030,101 km (0.088 R)
• M27: 33,547,023 km (0.097 R)
• M28: 35,973,052 km (0.109 R)
• M29: 36,346,747 km (0.062 R)
• M30: 37,739,354 km (0.104 R)
• M31: 38,254,420 km (0.085 R)
• M32: 40,765,270 km (0.119 R)
• M33: 41,854,642 km (0.054 R)
• M34: 47,893,908 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 13,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit