🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 12.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.48 AU - 0.56 AU

Year: 264 Days

Day: 14.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,968,735 km

• M1: 156,629 km (0.062 R)
• M2: 685,457 km (0.078 R)
• M3: 1,088,025 km (0.11 R)
• M4: 1,571,974 km (0.111 R)
• M5: 2,067,443 km (0.119 R)
• M6: 3,037,286 km (0.099 R)
• M7: 3,525,274 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.8

Radius: 14

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.45 AU - 0.71 AU

Year: 310 Days

Day: 7 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,968,735 km

• M1: 174,132 km (0.105 R)
• M2: 614,099 km (0.103 R)
• M3: 1,138,739 km (0.109 R)
• M4: 1,899,295 km (0.12 R)
• M5: 2,438,296 km (0.113 R)
• M6: 3,059,426 km (0.108 R)
• M7: 3,571,200 km (0.036 R)
• M8: 4,164,506 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 13

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.04 AU - 1.06 AU

Year: 756 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,968,735 km

• M1: 161,715 km (0.067 R)
• M2: 676,930 km (0.086 R)
• M3: 1,091,466 km (0.072 R)
• M4: 2,051,735 km (0.081 R)
• M5: 2,719,839 km (0.107 R)
• M6: 3,156,665 km (0.117 R)
• M7: 3,570,602 km (0.087 R)
• M8: 4,444,403 km (0.106 R)
• M9: 5,381,484 km (0.095 R)
• M10: 6,383,491 km (0.069 R)
• M11: 7,006,715 km (0.054 R)
• M12: 7,506,223 km (0.083 R)
• M13: 8,300,139 km (0.036 R)
• M14: 8,782,293 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 10.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.18 AU - 1.74 AU

Year: 1240 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,968,735 km

• M1: 133,142 km (0.091 R)
• M2: 1,724,415 km (0.104 R)
• M3: 2,644,591 km (0.084 R)
• M4: 3,188,080 km (0.096 R)
• M5: 5,184,165 km (0.115 R)
• M6: 5,658,689 km (0.079 R)
• M7: 5,997,678 km (0.077 R)
• M8: 7,281,377 km (0.075 R)
• M9: 8,050,161 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 12.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.31 AU - 2.43 AU

Year: 2565 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,968,735 km

• M1: 154,235 km (0.034 R)
• M2: 674,238 km (0.079 R)
• M3: 1,571,077 km (0.07 R)
• M4: 2,576,375 km (0.12 R)
• M5: 3,815,942 km (0.071 R)
• M6: 6,989,961 km (0.071 R)
• M7: 8,247,630 km (0.086 R)
• M8: 14,430,959 km (0.092 R)
• M9: 15,647,040 km (0.097 R)
• M10: 17,570,868 km (0.076 R)
• M11: 18,006,647 km (0.047 R)
• M12: 18,900,045 km (0.079 R)
• M13: 19,300,070 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.4

Radius: 4.9

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.14 AU - 9.5 AU

Year: 15372 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,968,735 km

• M1: 61,485 km (0.033 R)
• M2: 302,337 km (0.075 R)
• M3: 464,801 km (0.087 R)
• M4: 919,429 km (0.106 R)
• M5: 1,202,318 km (0.105 R)
• M6: 2,586,697 km (0.06 R)
• M7: 3,587,207 km (0.103 R)
• M8: 3,767,323 km (0.089 R)
• M9: 4,344,322 km (0.079 R)
• M10: 5,009,883 km (0.05 R)
• M11: 8,539,944 km (0.107 R)
• M12: 11,182,441 km (0.08 R)
• M13: 11,623,605 km (0.057 R)
• M14: 12,599,432 km (0.087 R)
• M15: 12,777,154 km (0.098 R)
• M16: 13,566,582 km (0.098 R)
• M17: 14,582,202 km (0.089 R)
• M18: 17,414,539 km (0.103 R)
• M19: 20,267,220 km (0.092 R)
• M20: 22,885,033 km (0.028 R)
• M21: 24,137,916 km (0.108 R)
• M22: 31,417,946 km (0.111 R)
• M23: 32,295,039 km (0.114 R)
• M24: 38,273,568 km (0.074 R)
• M25: 45,364,208 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.6

Radius: 6.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.32 AU - 10.76 AU

Year: 19106 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,968,735 km

• M1: 80,035 km (0.12 R)
• M2: 482,304 km (0.056 R)
• M3: 1,005,597 km (0.055 R)
• M4: 1,651,411 km (0.051 R)
• M5: 2,443,831 km (0.036 R)
• M6: 2,666,283 km (0.09 R)
• M7: 5,290,080 km (0.059 R)
• M8: 7,803,025 km (0.117 R)
• M9: 11,125,294 km (0.046 R)
• M10: 11,910,234 km (0.12 R)
• M11: 12,552,309 km (0.075 R)
• M12: 15,149,926 km (0.097 R)
• M13: 15,557,879 km (0.117 R)
• M14: 24,862,867 km (0.08 R)
• M15: 25,525,885 km (0.066 R)
• M16: 29,966,099 km (0.104 R)
• M17: 30,716,781 km (0.11 R)
• M18: 38,927,161 km (0.077 R)
• M19: 39,949,363 km (0.099 R)
• M20: 40,337,420 km (0.084 R)
• M21: 41,914,331 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 11,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit