🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 12.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.56 AU - 0.76 AU

Year: 370 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 79,118,344 km

• M1: 159,172 km (0.078 R)
• M2: 629,657 km (0.068 R)
• M3: 1,131,558 km (0.074 R)
• M4: 1,591,721 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 14.3

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.84 AU - 0.84 AU

Year: 531 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,118,344 km

• M1: 177,872 km (0.067 R)
• M2: 623,674 km (0.091 R)
• M3: 1,426,416 km (0.101 R)
• M4: 2,191,310 km (0.059 R)
• M5: 2,767,112 km (0.06 R)
• M6: 3,335,434 km (0.108 R)
• M7: 3,861,271 km (0.102 R)
• M8: 4,619,283 km (0.047 R)
• M9: 5,308,630 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.7

Radius: 13.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.31 AU - 1.45 AU

Year: 1119 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,118,344 km

• M1: 170,542 km (0.072 R)
• M2: 597,045 km (0.111 R)
• M3: 1,183,768 km (0.05 R)
• M4: 1,633,908 km (0.11 R)
• M5: 2,598,365 km (0.1 R)
• M6: 3,032,050 km (0.078 R)
• M7: 3,583,767 km (0.031 R)
• M8: 4,264,587 km (0.109 R)
• M9: 4,995,223 km (0.117 R)
• M10: 5,945,319 km (0.098 R)
• M11: 6,750,454 km (0.1 R)
• M12: 7,697,708 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 9

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.46 AU - 1.66 AU

Year: 1345 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,118,344 km

• M1: 114,592 km (0.101 R)
• M2: 597,195 km (0.094 R)
• M3: 1,306,737 km (0.112 R)
• M4: 1,985,912 km (0.05 R)
• M5: 2,350,631 km (0.098 R)
• M6: 2,800,622 km (0.061 R)
• M7: 3,307,160 km (0.12 R)
• M8: 3,705,390 km (0.09 R)
• M9: 4,372,147 km (0.059 R)
• M10: 4,754,071 km (0.052 R)
• M11: 5,762,061 km (0.112 R)
• M12: 6,081,453 km (0.044 R)
• M13: 7,452,218 km (0.095 R)
• M14: 7,914,924 km (0.055 R)
• M15: 9,079,095 km (0.118 R)
• M16: 10,656,455 km (0.088 R)
• M17: 12,673,632 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 10.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.92 AU - 4.8 AU

Year: 6284 Days

Day: 9.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,118,344 km

• M1: 158,424 km (0.094 R)
• M2: 707,448 km (0.081 R)
• M3: 1,420,581 km (0.081 R)
• M4: 2,009,099 km (0.09 R)
• M5: 3,167,585 km (0.107 R)
• M6: 6,184,077 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.8

Radius: 3.5

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.3 AU - 7.62 AU

Year: 11333 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,118,344 km

• M1: 43,832 km (0.04 R)
• M2: 179,817 km (0.068 R)
• M3: 719,117 km (0.052 R)
• M4: 993,031 km (0.114 R)
• M5: 1,825,244 km (0.034 R)
• M6: 2,600,011 km (0.115 R)
• M7: 3,197,804 km (0.119 R)
• M8: 3,507,472 km (0.082 R)
• M9: 3,724,837 km (0.098 R)
• M10: 4,114,839 km (0.104 R)
• M11: 5,306,236 km (0.081 R)
• M12: 8,381,221 km (0.103 R)
• M13: 12,668,696 km (0.059 R)
• M14: 21,412,542 km (0.11 R)
• M15: 23,027,451 km (0.086 R)
• M16: 23,329,489 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747

Radius: 6.2

Gravity: 19.43 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.62 AU - 11.44 AU

Year: 20307 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,118,344 km

• M1: 79,436 km (0.107 R)
• M2: 349,311 km (0.071 R)
• M3: 819,647 km (0.107 R)
• M4: 1,064,090 km (0.089 R)
• M5: 1,945,670 km (0.082 R)
• M6: 2,618,860 km (0.118 R)
• M7: 3,495,055 km (0.084 R)
• M8: 4,552,712 km (0.106 R)
• M9: 5,564,592 km (0.118 R)
• M10: 7,473,461 km (0.118 R)
• M11: 7,770,712 km (0.037 R)
• M12: 8,441,509 km (0.075 R)
• M13: 10,016,625 km (0.103 R)
• M14: 11,844,561 km (0.073 R)
• M15: 13,662,624 km (0.115 R)
• M16: 14,408,968 km (0.096 R)
• M17: 18,733,094 km (0.098 R)
• M18: 20,029,958 km (0.05 R)
• M19: 20,315,391 km (0.096 R)
• M20: 20,894,634 km (0.108 R)
• M21: 22,085,732 km (0.12 R)
• M22: 24,385,949 km (0.069 R)
• M23: 25,705,701 km (0.045 R)
• M24: 27,421,290 km (0.108 R)
• M25: 30,952,099 km (0.12 R)
• M26: 31,847,442 km (0.114 R)
• M27: 32,760,139 km (0.103 R)
• M28: 36,585,506 km (0.067 R)
• M29: 42,238,660 km (0.104 R)
• M30: 44,783,619 km (0.073 R)
• M31: 47,260,660 km (0.082 R)
• M32: 51,056,556 km (0.034 R)
• M33: 52,847,243 km (0.099 R)
• M34: 54,494,316 km (0.031 R)
• M35: 70,885,455 km (0.074 R)
• M36: 71,993,078 km (0.106 R)
• M37: 74,015,491 km (0.107 R)
• M38: 76,306,882 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit