🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.4

Radius: 9.1

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,383,026 km

• M1: 113,246 km (0.087 R)
• M2: 415,284 km (0.113 R)
• M3: 717,621 km (0.07 R)
• M4: 1,009,337 km (0.102 R)
• M5: 1,430,604 km (0.096 R)
• M6: 1,753,287 km (0.087 R)
• M7: 2,157,201 km (0.083 R)
• M8: 2,775,639 km (0.112 R)
• M9: 3,089,944 km (0.082 R)
• M10: 3,730,672 km (0.072 R)
• M11: 4,244,391 km (0.109 R)
• M12: 4,905,015 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 8.1

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.16 AU - 1.28 AU

Year: 914 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,383,026 km

• M1: 100,679 km (0.047 R)
• M2: 452,384 km (0.077 R)
• M3: 787,633 km (0.094 R)
• M4: 1,336,507 km (0.117 R)
• M5: 1,675,347 km (0.061 R)
• M6: 2,159,595 km (0.095 R)
• M7: 2,528,204 km (0.068 R)
• M8: 2,938,551 km (0.112 R)
• M9: 3,392,730 km (0.112 R)
• M10: 3,658,416 km (0.048 R)
• M11: 4,247,682 km (0.073 R)
• M12: 4,725,647 km (0.031 R)
• M13: 5,331,369 km (0.068 R)
• M14: 5,633,706 km (0.107 R)
• M15: 5,967,609 km (0.053 R)
• M16: 7,071,641 km (0.102 R)
• M17: 7,390,883 km (0.1 R)
• M18: 8,009,320 km (0.103 R)
• M19: 8,661,717 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 12.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.31 AU - 3.19 AU

Year: 3093 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,383,026 km

• M1: 160,967 km (0.087 R)
• M2: 654,042 km (0.087 R)
• M3: 2,035,429 km (0.076 R)
• M4: 3,108,494 km (0.086 R)
• M5: 3,845,413 km (0.104 R)
• M6: 6,240,625 km (0.051 R)
• M7: 7,186,233 km (0.092 R)
• M8: 8,764,790 km (0.096 R)
• M9: 9,226,748 km (0.063 R)
• M10: 10,563,554 km (0.116 R)
• M11: 14,330,130 km (0.117 R)
• M12: 14,879,752 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.6

Radius: 11.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.88 AU - 3.12 AU

Year: 3524 Days

Day: 8.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,383,026 km

• M1: 141,968 km (0.118 R)
• M2: 646,113 km (0.098 R)
• M3: 1,368,222 km (0.079 R)
• M4: 1,812,677 km (0.069 R)
• M5: 2,229,607 km (0.099 R)
• M6: 3,405,147 km (0.118 R)
• M7: 4,747,040 km (0.106 R)
• M8: 5,235,477 km (0.049 R)
• M9: 5,923,028 km (0.043 R)
• M10: 6,313,778 km (0.095 R)
• M11: 6,852,779 km (0.078 R)
• M12: 7,877,076 km (0.088 R)
• M13: 8,969,140 km (0.102 R)
• M14: 9,684,517 km (0.056 R)
• M15: 12,060,431 km (0.065 R)
• M16: 13,259,458 km (0.108 R)
• M17: 14,979,534 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 14.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.22 AU - 6.44 AU

Year: 8346 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 151.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,383,026 km

• M1: 185,352 km (0.048 R)
• M2: 765,492 km (0.089 R)
• M3: 1,422,077 km (0.079 R)
• M4: 2,373,370 km (0.099 R)
• M5: 3,329,749 km (0.104 R)
• M6: 3,950,431 km (0.055 R)
• M7: 5,459,125 km (0.105 R)
• M8: 6,004,260 km (0.108 R)
• M9: 11,495,699 km (0.106 R)
• M10: 12,052,801 km (0.066 R)
• M11: 14,916,703 km (0.092 R)
• M12: 15,513,000 km (0.098 R)
• M13: 15,987,674 km (0.082 R)
• M14: 17,762,952 km (0.116 R)
• M15: 19,745,423 km (0.109 R)
• M16: 21,451,287 km (0.093 R)
• M17: 27,749,208 km (0.068 R)
• M18: 30,942,375 km (0.099 R)
• M19: 31,696,049 km (0.086 R)
• M20: 32,793,948 km (0.116 R)
• M21: 34,603,035 km (0.089 R)
• M22: 39,415,748 km (0.099 R)
• M23: 41,330,152 km (0.071 R)
• M24: 44,113,420 km (0.105 R)
• M25: 47,302,847 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.2

Radius: 5.6

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.28 AU - 11 AU

Year: 23540 Days

Day: 15.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,383,026 km

• M1: 69,713 km (0.091 R)
• M2: 248,482 km (0.036 R)
• M3: 493,673 km (0.08 R)
• M4: 1,202,916 km (0.11 R)
• M5: 1,605,335 km (0.093 R)
• M6: 1,813,126 km (0.074 R)
• M7: 2,631,875 km (0.111 R)
• M8: 4,007,877 km (0.095 R)
• M9: 4,301,687 km (0.106 R)
• M10: 4,769,180 km (0.078 R)
• M11: 6,735,495 km (0.095 R)
• M12: 8,596,642 km (0.106 R)
• M13: 9,541,352 km (0.039 R)
• M14: 10,172,655 km (0.073 R)
• M15: 10,553,531 km (0.058 R)
• M16: 12,914,635 km (0.067 R)
• M17: 14,017,021 km (0.111 R)
• M18: 18,011,733 km (0.066 R)
• M19: 19,718,196 km (0.065 R)
• M20: 20,826,866 km (0.066 R)
• M21: 34,288,281 km (0.084 R)
• M22: 39,368,774 km (0.098 R)
• M23: 46,100,229 km (0.113 R)
• M24: 47,593,067 km (0.058 R)
• M25: 49,736,654 km (0.081 R)
• M26: 52,747,461 km (0.064 R)
• M27: 55,042,293 km (0.119 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: 476 - 11,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit