🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.2

Radius: 8.1

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.56 AU - 0.6 AU

Year: 300 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,401,094 km

• M1: 104,120 km (0.068 R)
• M2: 372,050 km (0.087 R)
• M3: 647,908 km (0.078 R)
• M4: 923,767 km (0.1 R)
• M5: 1,208,900 km (0.053 R)
• M6: 2,140,895 km (0.104 R)
• M7: 2,486,317 km (0.102 R)
• M8: 3,442,995 km (0.094 R)
• M9: 4,320,835 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 10.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.6 AU - 0.98 AU

Year: 476 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,401,094 km

• M1: 127,158 km (0.102 R)
• M2: 560,094 km (0.066 R)
• M3: 1,174,642 km (0.112 R)
• M4: 1,550,283 km (0.117 R)
• M5: 2,795,236 km (0.118 R)
• M6: 3,508,070 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 13

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.99 AU - 2.93 AU

Year: 2617 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,401,094 km

• M1: 161,715 km (0.055 R)
• M2: 586,424 km (0.109 R)
• M3: 1,021,903 km (0.069 R)
• M4: 1,873,564 km (0.034 R)
• M5: 2,297,674 km (0.058 R)
• M6: 2,991,658 km (0.075 R)
• M7: 5,385,224 km (0.086 R)
• M8: 8,118,976 km (0.072 R)
• M9: 8,986,344 km (0.025 R)
• M10: 10,212,598 km (0.038 R)
• M11: 11,425,388 km (0.051 R)
• M12: 12,385,507 km (0.111 R)
• M13: 12,951,585 km (0.083 R)
• M14: 13,809,978 km (0.082 R)
• M15: 14,996,887 km (0.064 R)
• M16: 16,250,667 km (0.038 R)
• M17: 16,876,734 km (0.094 R)
• M18: 17,682,020 km (0.045 R)
• M19: 19,138,205 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 14.1

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.99 AU - 3.29 AU

Year: 2909 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,401,094 km

• M1: 176,376 km (0.104 R)
• M2: 667,207 km (0.107 R)
• M3: 2,096,913 km (0.09 R)
• M4: 2,843,706 km (0.108 R)
• M5: 3,307,459 km (0.088 R)
• M6: 4,730,135 km (0.066 R)
• M7: 6,356,713 km (0.077 R)
• M8: 7,127,291 km (0.064 R)
• M9: 7,827,260 km (0.113 R)
• M10: 8,926,954 km (0.059 R)
• M11: 9,779,362 km (0.055 R)
• M12: 10,523,911 km (0.036 R)
• M13: 12,393,436 km (0.097 R)
• M14: 14,376,355 km (0.116 R)
• M15: 15,705,233 km (0.103 R)
• M16: 16,508,424 km (0.079 R)
• M17: 18,022,953 km (0.067 R)
• M18: 18,606,684 km (0.106 R)
• M19: 20,434,321 km (0.074 R)
• M20: 21,005,336 km (0.066 R)
• M21: 21,521,748 km (0.095 R)
• M22: 22,046,687 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 9.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.52 AU - 3.62 AU

Year: 3648 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,401,094 km

• M1: 118,182 km (0.071 R)
• M2: 433,834 km (0.093 R)
• M3: 736,171 km (0.093 R)
• M4: 1,322,894 km (0.116 R)
• M5: 2,405,833 km (0.112 R)
• M6: 3,201,544 km (0.112 R)
• M7: 3,856,184 km (0.093 R)
• M8: 4,552,862 km (0.116 R)
• M9: 4,943,162 km (0.081 R)
• M10: 5,481,565 km (0.087 R)
• M11: 8,435,525 km (0.098 R)
• M12: 9,982,217 km (0.105 R)
• M13: 11,126,940 km (0.104 R)
• M14: 12,008,969 km (0.115 R)
• M15: 14,637,553 km (0.098 R)
• M16: 16,750,474 km (0.036 R)
• M17: 18,362,540 km (0.084 R)
• M18: 20,197,508 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.3

Radius: 7.8

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.94 AU - 7.78 AU

Year: 13543 Days

Day: 15.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,401,094 km

• M1: 97,837 km (0.076 R)
• M2: 497,862 km (0.045 R)
• M3: 1,050,925 km (0.052 R)
• M4: 1,343,090 km (0.089 R)
• M5: 1,893,161 km (0.058 R)
• M6: 2,929,126 km (0.079 R)
• M7: 3,200,646 km (0.082 R)
• M8: 3,653,479 km (0.064 R)
• M9: 4,621,527 km (0.085 R)
• M10: 6,881,352 km (0.074 R)
• M11: 7,363,806 km (0.061 R)
• M12: 7,962,646 km (0.086 R)
• M13: 8,395,881 km (0.057 R)
• M14: 9,049,474 km (0.083 R)
• M15: 10,288,294 km (0.093 R)
• M16: 11,758,841 km (0.104 R)
• M17: 13,976,779 km (0.111 R)
• M18: 15,700,895 km (0.056 R)
• M19: 17,642,825 km (0.109 R)
• M20: 19,479,588 km (0.107 R)
• M21: 20,622,964 km (0.104 R)
• M22: 32,387,341 km (0.115 R)
• M23: 37,886,259 km (0.114 R)
• M24: 52,174,501 km (0.119 R)
• M25: 54,715,870 km (0.11 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: 339 - 18,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit