🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 11.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.88 AU

Year: 414 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,978,228 km

• M1: 139,276 km (0.025 R)
• M2: 602,131 km (0.11 R)
• M3: 977,024 km (0.075 R)
• M4: 1,330,673 km (0.077 R)
• M5: 1,759,121 km (0.094 R)
• M6: 2,112,621 km (0.103 R)
• M7: 2,464,176 km (0.119 R)
• M8: 2,855,225 km (0.118 R)
• M9: 3,632,835 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 10.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.05 AU - 1.15 AU

Year: 782 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,978,228 km

• M1: 137,480 km (0.11 R)
• M2: 517,160 km (0.058 R)
• M3: 885,619 km (0.118 R)
• M4: 1,319,453 km (0.082 R)
• M5: 1,768,696 km (0.071 R)
• M6: 2,183,979 km (0.082 R)
• M7: 3,069,898 km (0.12 R)
• M8: 3,559,382 km (0.115 R)
• M9: 3,960,155 km (0.095 R)
• M10: 4,942,265 km (0.119 R)
• M11: 5,755,030 km (0.074 R)
• M12: 6,100,003 km (0.117 R)
• M13: 6,921,594 km (0.084 R)
• M14: 8,088,009 km (0.043 R)
• M15: 8,600,082 km (0.095 R)
• M16: 9,188,152 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.4

Radius: 11.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.58 AU - 1.92 AU

Year: 1570 Days

Day: 10.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 41,978,228 km

• M1: 141,819 km (0.053 R)
• M2: 697,874 km (0.1 R)
• M3: 1,136,794 km (0.063 R)
• M4: 1,669,213 km (0.068 R)
• M5: 3,895,229 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.2

Radius: 12.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.35 AU - 2.19 AU

Year: 1597 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,978,228 km

• M1: 154,235 km (0.071 R)
• M2: 596,896 km (0.056 R)
• M3: 1,070,074 km (0.087 R)
• M4: 1,535,024 km (0.116 R)
• M5: 3,406,493 km (0.119 R)
• M6: 3,813,250 km (0.043 R)
• M7: 4,456,521 km (0.106 R)
• M8: 5,622,337 km (0.115 R)
• M9: 6,217,587 km (0.052 R)
• M10: 7,241,435 km (0.086 R)
• M11: 8,638,379 km (0.097 R)
• M12: 9,307,082 km (0.083 R)
• M13: 9,814,817 km (0.057 R)
• M14: 10,990,357 km (0.108 R)
• M15: 12,446,393 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 13.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.5 AU - 2.48 AU

Year: 1904 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,978,228 km

• M1: 164,109 km (0.06 R)
• M2: 578,944 km (0.093 R)
• M3: 1,127,669 km (0.114 R)
• M4: 1,554,771 km (0.096 R)
• M5: 2,175,751 km (0.105 R)
• M6: 2,600,011 km (0.093 R)
• M7: 3,018,735 km (0.107 R)
• M8: 3,432,822 km (0.104 R)
• M9: 4,436,624 km (0.094 R)
• M10: 5,193,888 km (0.032 R)
• M11: 5,721,670 km (0.107 R)
• M12: 6,939,546 km (0.093 R)
• M13: 7,581,321 km (0.087 R)
• M14: 8,231,922 km (0.032 R)
• M15: 8,665,157 km (0.082 R)
• M16: 9,577,555 km (0.091 R)
• M17: 10,022,459 km (0.103 R)
• M18: 12,418,119 km (0.112 R)
• M19: 14,140,440 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.2

Radius: 5.9

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.09 AU - 6.91 AU

Year: 11240 Days

Day: 19.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,978,228 km

• M1: 74,500 km (0.088 R)
• M2: 258,206 km (0.116 R)
• M3: 484,099 km (0.067 R)
• M4: 784,641 km (0.098 R)
• M5: 1,063,940 km (0.085 R)
• M6: 1,705,865 km (0.112 R)
• M7: 1,916,648 km (0.05 R)
• M8: 2,391,023 km (0.105 R)
• M9: 2,735,247 km (0.033 R)
• M10: 3,943,101 km (0.098 R)
• M11: 5,343,038 km (0.079 R)
• M12: 7,915,822 km (0.088 R)
• M13: 8,900,475 km (0.116 R)
• M14: 9,170,200 km (0.094 R)
• M15: 10,255,084 km (0.095 R)
• M16: 10,501,771 km (0.061 R)
• M17: 13,424,763 km (0.112 R)
• M18: 15,714,209 km (0.111 R)
• M19: 19,655,066 km (0.049 R)
• M20: 20,970,330 km (0.114 R)
• M21: 21,852,060 km (0.036 R)
• M22: 31,134,010 km (0.077 R)
• M23: 32,917,515 km (0.115 R)
• M24: 33,131,590 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 10,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit