🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 8.3

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.48 AU - 0.72 AU

Year: 321 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,380,772 km

• M1: 103,821 km (0.097 R)
• M2: 465,997 km (0.083 R)
• M3: 804,687 km (0.087 R)
• M4: 1,083,388 km (0.071 R)
• M5: 1,516,623 km (0.058 R)
• M6: 2,029,594 km (0.103 R)
• M7: 2,741,231 km (0.096 R)
• M8: 3,309,254 km (0.046 R)
• M9: 3,597,829 km (0.057 R)
• M10: 4,042,882 km (0.073 R)
• M11: 4,678,673 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 13.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.61 AU - 0.97 AU

Year: 485 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,380,772 km

• M1: 183,706 km (0.091 R)
• M2: 1,133,353 km (0.081 R)
• M3: 1,557,763 km (0.114 R)
• M4: 2,478,837 km (0.043 R)
• M5: 2,951,566 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 11.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.83 AU - 0.99 AU

Year: 599 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,380,772 km

• M1: 141,071 km (0.069 R)
• M2: 612,154 km (0.111 R)
• M3: 1,272,629 km (0.11 R)
• M4: 1,786,498 km (0.102 R)
• M5: 2,302,162 km (0.109 R)
• M6: 2,993,902 km (0.103 R)
• M7: 3,420,107 km (0.04 R)
• M8: 4,293,160 km (0.035 R)
• M9: 4,821,689 km (0.099 R)
• M10: 5,828,931 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.3

Radius: 11.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.97 AU - 1.29 AU

Year: 829 Days

Day: 12.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,380,772 km

• M1: 148,251 km (0.113 R)
• M2: 530,624 km (0.099 R)
• M3: 1,902,885 km (0.08 R)
• M4: 2,592,980 km (0.074 R)
• M5: 3,197,206 km (0.099 R)
• M6: 4,033,009 km (0.114 R)
• M7: 4,579,490 km (0.069 R)
• M8: 5,242,358 km (0.103 R)
• M9: 5,623,833 km (0.059 R)
• M10: 6,005,307 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 8.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.98 AU - 1.4 AU

Year: 896 Days

Day: 5.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,380,772 km

• M1: 110,702 km (0.068 R)
• M2: 438,621 km (0.099 R)
• M3: 741,706 km (0.118 R)
• M4: 1,110,465 km (0.106 R)
• M5: 1,407,267 km (0.105 R)
• M6: 1,704,219 km (0.093 R)
• M7: 2,438,744 km (0.102 R)
• M8: 2,808,850 km (0.12 R)
• M9: 3,427,138 km (0.082 R)
• M10: 3,861,869 km (0.095 R)
• M11: 5,026,488 km (0.061 R)
• M12: 5,409,908 km (0.101 R)
• M13: 7,190,122 km (0.04 R)
• M14: 7,702,645 km (0.092 R)
• M15: 8,773,167 km (0.12 R)
• M16: 9,733,885 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 11.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.44 AU - 1.92 AU

Year: 1503 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,380,772 km

• M1: 140,622 km (0.091 R)
• M2: 1,135,597 km (0.088 R)
• M3: 1,543,551 km (0.111 R)
• M4: 2,021,217 km (0.067 R)
• M5: 3,094,582 km (0.082 R)
• M6: 4,030,466 km (0.062 R)
• M7: 4,787,730 km (0.11 R)
• M8: 5,182,369 km (0.082 R)
• M9: 5,657,043 km (0.032 R)
• M10: 6,563,307 km (0.099 R)
• M11: 7,304,714 km (0.036 R)
• M12: 7,707,881 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 8.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.76 AU - 1.8 AU

Year: 1639 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,380,772 km

• M1: 126,709 km (0.057 R)
• M2: 444,605 km (0.104 R)
• M3: 2,091,079 km (0.114 R)
• M4: 2,385,039 km (0.071 R)
• M5: 3,080,370 km (0.09 R)
• M6: 3,783,779 km (0.064 R)
• M7: 5,523,602 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 13.1

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.05 AU - 2.91 AU

Year: 2696 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,380,772 km

• M1: 162,912 km (0.059 R)
• M2: 800,947 km (0.098 R)
• M3: 1,235,678 km (0.03 R)
• M4: 1,833,172 km (0.115 R)
• M5: 2,288,698 km (0.109 R)
• M6: 3,048,954 km (0.067 R)
• M7: 3,696,115 km (0.12 R)
• M8: 5,121,184 km (0.081 R)
• M9: 7,184,587 km (0.11 R)
• M10: 7,618,122 km (0.056 R)
• M11: 8,436,123 km (0.084 R)
• M12: 10,055,221 km (0.115 R)
• M13: 11,872,985 km (0.044 R)
• M14: 13,477,871 km (0.111 R)
• M15: 13,900,784 km (0.072 R)
• M16: 18,173,598 km (0.072 R)
• M17: 19,394,616 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.1

Radius: 8.5

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.56 AU - 4.4 AU

Year: 5481 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,380,772 km

• M1: 106,514 km (0.042 R)
• M2: 381,475 km (0.111 R)
• M3: 810,970 km (0.043 R)
• M4: 1,210,247 km (0.037 R)
• M5: 2,215,395 km (0.101 R)
• M6: 3,144,547 km (0.051 R)
• M7: 3,879,671 km (0.09 R)
• M8: 4,698,271 km (0.114 R)
• M9: 6,119,750 km (0.099 R)
• M10: 6,640,500 km (0.116 R)
• M11: 7,770,562 km (0.065 R)
• M12: 9,527,140 km (0.066 R)
• M13: 11,101,808 km (0.101 R)
• M14: 12,480,950 km (0.048 R)
• M15: 17,556,357 km (0.117 R)
• M16: 17,945,611 km (0.093 R)
• M17: 18,808,641 km (0.052 R)
• M18: 24,820,232 km (0.035 R)
• M19: 31,329,983 km (0.069 R)

Asteroid Belt

Center: 5.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.9

Radius: 3.9

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.86 AU - 6.88 AU

Year: 12429 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,380,772 km

• M1: 48,769 km (0.083 R)
• M2: 189,840 km (0.116 R)
• M3: 1,080,097 km (0.053 R)
• M4: 1,499,419 km (0.115 R)
• M5: 2,004,312 km (0.093 R)
• M6: 8,416,975 km (0.093 R)
• M7: 9,253,227 km (0.1 R)
• M8: 9,502,008 km (0.084 R)
• M9: 9,969,651 km (0.113 R)
• M10: 16,049,159 km (0.049 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: 201 - 15,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit