🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 9.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.85 AU - 1.19 AU

Year: 665 Days

Day: 8.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,136,970 km

• M1: 119,379 km (0.086 R)
• M2: 451,038 km (0.053 R)
• M3: 889,359 km (0.049 R)
• M4: 1,302,698 km (0.079 R)
• M5: 1,665,473 km (0.106 R)
• M6: 2,123,243 km (0.104 R)
• M7: 2,663,440 km (0.091 R)
• M8: 3,724,538 km (0.05 R)
• M9: 4,061,881 km (0.095 R)
• M10: 4,637,983 km (0.068 R)
• M11: 5,079,745 km (0.034 R)
• M12: 5,657,642 km (0.07 R)
• M13: 6,799,522 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 8.4

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.21 AU - 2.01 AU

Year: 1319 Days

Day: 14.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,136,970 km

• M1: 104,419 km (0.117 R)
• M2: 388,805 km (0.03 R)
• M3: 851,062 km (0.033 R)
• M4: 1,127,070 km (0.103 R)
• M5: 1,590,824 km (0.101 R)
• M6: 2,782,221 km (0.094 R)
• M7: 3,648,393 km (0.056 R)
• M8: 3,984,838 km (0.1 R)
• M9: 4,289,719 km (0.087 R)
• M10: 5,461,519 km (0.055 R)
• M11: 6,368,082 km (0.117 R)
• M12: 6,762,422 km (0.059 R)
• M13: 7,346,602 km (0.107 R)
• M14: 7,728,675 km (0.118 R)
• M15: 8,070,356 km (0.076 R)
• M16: 9,361,386 km (0.078 R)
• M17: 11,145,490 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 11.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.1 AU - 2.8 AU

Year: 2476 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,136,970 km

• M1: 145,559 km (0.089 R)
• M2: 732,880 km (0.071 R)
• M3: 1,235,828 km (0.117 R)
• M4: 1,940,584 km (0.115 R)
• M5: 2,988,517 km (0.051 R)
• M6: 3,458,104 km (0.073 R)
• M7: 5,137,640 km (0.074 R)
• M8: 6,016,677 km (0.044 R)
• M9: 6,570,937 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68

Radius: 13.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.49 AU - 2.85 AU

Year: 2817 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,136,970 km

• M1: 164,109 km (0.096 R)
• M2: 682,615 km (0.105 R)
• M3: 1,094,458 km (0.08 R)
• M4: 2,050,388 km (0.111 R)
• M5: 2,519,079 km (0.09 R)
• M6: 3,059,725 km (0.055 R)
• M7: 3,575,988 km (0.099 R)
• M8: 4,376,935 km (0.026 R)
• M9: 5,940,831 km (0.116 R)
• M10: 6,861,456 km (0.076 R)
• M11: 7,999,148 km (0.118 R)
• M12: 8,905,412 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.9

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.09 AU - 4.07 AU

Year: 4374 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,136,970 km

• M1: 135,685 km (0.064 R)
• M2: 570,716 km (0.103 R)
• M3: 1,290,581 km (0.063 R)
• M4: 1,689,259 km (0.049 R)
• M5: 2,559,021 km (0.112 R)
• M6: 3,087,251 km (0.119 R)
• M7: 4,284,034 km (0.096 R)
• M8: 4,987,743 km (0.062 R)
• M9: 8,754,617 km (0.074 R)
• M10: 9,477,025 km (0.099 R)
• M11: 13,484,303 km (0.084 R)
• M12: 14,447,863 km (0.101 R)
• M13: 15,409,927 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 8.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.18 AU - 4.92 AU

Year: 5263 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,136,970 km

• M1: 109,506 km (0.12 R)
• M2: 796,160 km (0.075 R)
• M3: 1,196,933 km (0.065 R)
• M4: 1,692,401 km (0.06 R)
• M5: 2,057,420 km (0.079 R)
• M6: 2,772,049 km (0.058 R)
• M7: 3,876,081 km (0.099 R)
• M8: 4,396,382 km (0.098 R)
• M9: 4,685,705 km (0.106 R)
• M10: 5,493,234 km (0.089 R)
• M11: 5,973,742 km (0.079 R)
• M12: 6,512,893 km (0.028 R)
• M13: 6,858,165 km (0.095 R)
• M14: 7,281,826 km (0.064 R)
• M15: 7,967,732 km (0.098 R)
• M16: 8,253,913 km (0.112 R)
• M17: 8,658,575 km (0.111 R)
• M18: 11,326,354 km (0.091 R)
• M19: 12,724,944 km (0.108 R)
• M20: 14,027,344 km (0.076 R)
• M21: 15,637,914 km (0.101 R)
• M22: 16,315,443 km (0.086 R)
• M23: 16,603,419 km (0.108 R)
• M24: 16,894,836 km (0.085 R)
• M25: 19,673,317 km (0.101 R)
• M26: 20,396,323 km (0.077 R)
• M27: 21,204,900 km (0.11 R)
• M28: 21,825,432 km (0.108 R)
• M29: 23,612,378 km (0.076 R)
• M30: 25,034,156 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 7.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.3 AU - 6.44 AU

Year: 10381 Days

Day: 15.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,136,970 km

• M1: 129,701 km (0.117 R)
• M2: 489,634 km (0.079 R)
• M3: 762,800 km (0.084 R)
• M4: 1,004,550 km (0.036 R)
• M5: 2,033,783 km (0.074 R)
• M6: 2,600,310 km (0.052 R)
• M7: 3,922,755 km (0.116 R)
• M8: 4,423,609 km (0.085 R)
• M9: 5,552,475 km (0.104 R)
• M10: 5,799,461 km (0.115 R)
• M11: 8,049,413 km (0.04 R)
• M12: 8,326,468 km (0.098 R)
• M13: 10,777,031 km (0.107 R)
• M14: 13,339,044 km (0.044 R)
• M15: 16,724,593 km (0.044 R)
• M16: 17,835,806 km (0.055 R)
• M17: 24,056,834 km (0.091 R)
• M18: 32,275,142 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 16,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit