🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 14.7

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.49 AU - 0.63 AU

Year: 279 Days

Day: 6.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,803,085 km

• M1: 183,108 km (0.073 R)
• M2: 671,545 km (0.103 R)
• M3: 1,139,487 km (0.099 R)
• M4: 1,605,484 km (0.103 R)
• M5: 2,465,223 km (0.039 R)
• M6: 3,014,397 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.7

Radius: 13.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (1)

Outer Limit: 34,803,085 km

• M1: 170,392 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 9.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.88 AU - 0.98 AU

Year: 598 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,803,085 km

• M1: 115,639 km (0.045 R)
• M2: 498,311 km (0.11 R)
• M3: 1,168,659 km (0.04 R)
• M4: 2,020,319 km (0.03 R)
• M5: 2,722,083 km (0.084 R)
• M6: 3,033,097 km (0.108 R)
• M7: 3,378,668 km (0.068 R)
• M8: 3,976,760 km (0.086 R)
• M9: 4,301,537 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 10.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.03 AU - 2.29 AU

Year: 2117 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,803,085 km

• M1: 129,103 km (0.077 R)
• M2: 450,290 km (0.056 R)
• M3: 782,995 km (0.071 R)
• M4: 1,430,754 km (0.106 R)
• M5: 1,755,830 km (0.078 R)
• M6: 2,212,253 km (0.056 R)
• M7: 3,104,904 km (0.06 R)
• M8: 3,575,688 km (0.088 R)
• M9: 3,968,532 km (0.053 R)
• M10: 4,296,002 km (0.091 R)
• M11: 5,432,796 km (0.118 R)
• M12: 5,768,943 km (0.083 R)
• M13: 6,238,680 km (0.101 R)
• M14: 8,951,189 km (0.081 R)
• M15: 13,269,780 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 14.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.14 AU - 2.5 AU

Year: 2356 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 148 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,803,085 km

• M1: 185,950 km (0.052 R)
• M2: 677,080 km (0.087 R)
• M3: 1,503,758 km (0.091 R)
• M4: 2,119,054 km (0.093 R)
• M5: 3,278,737 km (0.087 R)
• M6: 3,869,947 km (0.096 R)
• M7: 4,775,014 km (0.079 R)
• M8: 6,534,734 km (0.089 R)
• M9: 7,122,654 km (0.081 R)
• M10: 9,492,284 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 14.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.99 AU - 4.25 AU

Year: 4593 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,803,085 km

• M1: 176,525 km (0.054 R)
• M2: 898,934 km (0.105 R)
• M3: 1,483,562 km (0.06 R)
• M4: 2,014,635 km (0.076 R)
• M5: 2,918,056 km (0.085 R)
• M6: 5,210,643 km (0.058 R)
• M7: 5,724,363 km (0.12 R)
• M8: 6,434,504 km (0.06 R)
• M9: 8,095,638 km (0.103 R)
• M10: 8,652,442 km (0.095 R)
• M11: 10,251,194 km (0.04 R)
• M12: 11,220,588 km (0.092 R)
• M13: 14,073,868 km (0.053 R)
• M14: 15,124,046 km (0.117 R)
• M15: 15,819,227 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 6.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.96 AU - 6.26 AU

Year: 10071 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,803,085 km

• M1: 83,476 km (0.102 R)
• M2: 325,226 km (0.067 R)
• M3: 569,369 km (0.075 R)
• M4: 870,211 km (0.112 R)
• M5: 1,308,533 km (0.109 R)
• M6: 2,305,453 km (0.119 R)
• M7: 3,462,742 km (0.082 R)
• M8: 3,875,183 km (0.076 R)
• M9: 5,672,901 km (0.113 R)
• M10: 7,069,995 km (0.085 R)
• M11: 7,508,018 km (0.115 R)
• M12: 7,733,761 km (0.119 R)
• M13: 8,682,511 km (0.092 R)
• M14: 9,057,553 km (0.087 R)
• M15: 9,618,245 km (0.112 R)
• M16: 10,619,504 km (0.069 R)
• M17: 11,390,232 km (0.088 R)
• M18: 12,353,044 km (0.08 R)
• M19: 13,813,119 km (0.1 R)
• M20: 14,038,863 km (0.101 R)
• M21: 16,370,345 km (0.116 R)
• M22: 17,201,511 km (0.047 R)
• M23: 19,086,893 km (0.071 R)
• M24: 21,556,455 km (0.076 R)
• M25: 21,860,288 km (0.097 R)
• M26: 30,039,552 km (0.033 R)
• M27: 31,869,283 km (0.104 R)
• M28: 33,466,540 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 20,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit