🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 8.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.1 AU

Year: 588 Days

Day: 13.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,547,428 km

• M1: 109,506 km (0.041 R)
• M2: 384,467 km (0.115 R)
• M3: 688,150 km (0.08 R)
• M4: 1,099,844 km (0.086 R)
• M5: 1,552,527 km (0.094 R)
• M6: 2,273,738 km (0.096 R)
• M7: 2,650,575 km (0.114 R)
• M8: 3,179,852 km (0.117 R)
• M9: 3,603,364 km (0.076 R)
• M10: 4,281,192 km (0.117 R)
• M11: 4,903,818 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.8

Radius: 11.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.55 AU - 1.77 AU

Year: 1426 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,547,428 km

• M1: 139,276 km (0.088 R)
• M2: 733,478 km (0.049 R)
• M3: 1,292,376 km (0.08 R)
• M4: 1,730,399 km (0.103 R)
• M5: 2,625,742 km (0.053 R)
• M6: 3,971,973 km (0.069 R)
• M7: 4,353,148 km (0.041 R)
• M8: 6,063,052 km (0.045 R)
• M9: 6,982,032 km (0.095 R)
• M10: 8,831,959 km (0.083 R)
• M11: 9,823,643 km (0.054 R)
• M12: 10,459,883 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 13.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.52 AU - 2.2 AU

Year: 1692 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 98 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,547,428 km

• M1: 180,265 km (0.116 R)
• M2: 1,700,479 km (0.093 R)
• M3: 2,409,274 km (0.1 R)
• M4: 2,852,682 km (0.107 R)
• M5: 3,943,101 km (0.106 R)
• M6: 4,435,577 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.5

Radius: 14.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.13 AU - 4.15 AU

Year: 5617 Days

Day: 14.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,547,428 km

• M1: 184,454 km (0.11 R)
• M2: 647,609 km (0.068 R)
• M3: 1,231,639 km (0.085 R)
• M4: 1,777,971 km (0.085 R)
• M5: 2,240,527 km (0.052 R)
• M6: 3,361,913 km (0.079 R)
• M7: 4,124,862 km (0.071 R)
• M8: 7,251,308 km (0.062 R)
• M9: 7,838,928 km (0.066 R)
• M10: 8,529,173 km (0.09 R)
• M11: 9,834,863 km (0.089 R)
• M12: 13,171,793 km (0.088 R)
• M13: 14,502,466 km (0.093 R)
• M14: 20,797,395 km (0.041 R)
• M15: 22,326,136 km (0.09 R)
• M16: 23,013,688 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 8.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.18 AU - 5.24 AU

Year: 5760 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,547,428 km

• M1: 109,655 km (0.1 R)
• M2: 629,508 km (0.117 R)
• M3: 1,048,681 km (0.044 R)
• M4: 1,767,499 km (0.112 R)
• M5: 2,065,797 km (0.056 R)
• M6: 3,133,776 km (0.056 R)
• M7: 5,174,740 km (0.036 R)
• M8: 8,008,124 km (0.116 R)
• M9: 9,793,574 km (0.09 R)
• M10: 10,360,700 km (0.069 R)
• M11: 14,856,864 km (0.059 R)
• M12: 17,765,196 km (0.118 R)
• M13: 18,244,059 km (0.116 R)
• M14: 18,547,593 km (0.098 R)
• M15: 20,834,196 km (0.086 R)
• M16: 21,636,490 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.9

Radius: 3.9

Gravity: 22.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.8 AU - 6.86 AU

Year: 10620 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,547,428 km

• M1: 48,470 km (0.114 R)
• M2: 266,583 km (0.085 R)
• M3: 461,659 km (0.096 R)
• M4: 585,526 km (0.114 R)
• M5: 840,142 km (0.118 R)
• M6: 1,048,083 km (0.114 R)
• M7: 1,349,522 km (0.101 R)
• M8: 1,527,394 km (0.103 R)
• M9: 1,649,765 km (0.067 R)
• M10: 1,778,719 km (0.078 R)
• M11: 1,961,378 km (0.092 R)
• M12: 2,547,203 km (0.1 R)
• M13: 2,700,541 km (0.033 R)
• M14: 5,205,408 km (0.067 R)
• M15: 6,346,390 km (0.114 R)
• M16: 8,802,638 km (0.054 R)
• M17: 9,468,797 km (0.116 R)
• M18: 10,120,446 km (0.098 R)
• M19: 10,603,796 km (0.075 R)
• M20: 12,803,035 km (0.046 R)
• M21: 13,026,983 km (0.098 R)
• M22: 13,310,770 km (0.102 R)
• M23: 15,288,154 km (0.095 R)
• M24: 17,521,351 km (0.087 R)
• M25: 18,076,808 km (0.097 R)
• M26: 18,643,784 km (0.096 R)
• M27: 19,004,166 km (0.108 R)
• M28: 22,056,112 km (0.107 R)
• M29: 26,491,090 km (0.104 R)
• M30: 27,130,023 km (0.085 R)
• M31: 27,314,477 km (0.06 R)
• M32: 30,182,418 km (0.092 R)
• M33: 30,679,083 km (0.103 R)
• M34: 30,979,774 km (0.085 R)
• M35: 32,824,914 km (0.055 R)
• M36: 36,958,154 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.1

Radius: 5.7

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.23 AU - 13.03 AU

Year: 23112 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,547,428 km

• M1: 70,909 km (0.101 R)
• M2: 260,749 km (0.113 R)
• M3: 674,686 km (0.088 R)
• M4: 1,322,445 km (0.117 R)
• M5: 1,930,860 km (0.086 R)
• M6: 3,143,350 km (0.102 R)
• M7: 3,741,144 km (0.113 R)
• M8: 5,349,321 km (0.053 R)
• M9: 6,812,089 km (0.116 R)
• M10: 7,040,824 km (0.114 R)
• M11: 7,659,710 km (0.114 R)
• M12: 8,007,525 km (0.104 R)
• M13: 8,896,436 km (0.028 R)
• M14: 10,683,532 km (0.045 R)
• M15: 11,563,915 km (0.066 R)
• M16: 19,305,306 km (0.059 R)
• M17: 20,513,010 km (0.119 R)
• M18: 22,267,045 km (0.083 R)
• M19: 29,917,779 km (0.105 R)
• M20: 30,408,460 km (0.085 R)
• M21: 31,531,940 km (0.102 R)
• M22: 34,662,874 km (0.058 R)
• M23: 36,026,309 km (0.108 R)
• M24: 36,303,364 km (0.113 R)
• M25: 38,281,796 km (0.082 R)
• M26: 43,697,089 km (0.062 R)
• M27: 44,487,415 km (0.095 R)
• M28: 47,577,508 km (0.089 R)
• M29: 48,582,357 km (0.116 R)
• M30: 54,544,880 km (0.08 R)
• M31: 68,531,084 km (0.097 R)
• M32: 70,242,483 km (0.104 R)
• M33: 71,544,583 km (0.063 R)
• M34: 71,982,157 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit