🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 10

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.41 AU - 0.67 AU

Year: 279 Days

Day: 7.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,375,772 km

• M1: 124,316 km (0.104 R)
• M2: 506,389 km (0.119 R)
• M3: 868,416 km (0.107 R)
• M4: 1,348,774 km (0.065 R)
• M5: 1,723,367 km (0.056 R)
• M6: 2,360,804 km (0.089 R)
• M7: 3,033,396 km (0.104 R)
• M8: 3,409,635 km (0.082 R)
• M9: 3,865,459 km (0.098 R)
• M10: 4,374,990 km (0.085 R)
• M11: 4,715,774 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.2

Radius: 10.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.78 AU

Year: 394 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,375,772 km

• M1: 133,142 km (0.091 R)
• M2: 579,692 km (0.034 R)
• M3: 916,736 km (0.118 R)
• M4: 1,264,102 km (0.067 R)
• M5: 1,655,001 km (0.098 R)
• M6: 2,045,601 km (0.05 R)
• M7: 2,421,990 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 10.3

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.71 AU - 1.91 AU

Year: 1712 Days

Day: 6.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,375,772 km

• M1: 128,056 km (0.047 R)
• M2: 528,529 km (0.1 R)
• M3: 866,022 km (0.103 R)
• M4: 1,371,513 km (0.113 R)
• M5: 1,997,281 km (0.054 R)
• M6: 2,482,128 km (0.064 R)
• M7: 2,833,384 km (0.076 R)
• M8: 3,348,150 km (0.079 R)
• M9: 3,743,088 km (0.051 R)
• M10: 4,304,978 km (0.117 R)
• M11: 4,627,212 km (0.093 R)
• M12: 5,230,241 km (0.105 R)
• M13: 5,909,116 km (0.079 R)
• M14: 7,614,980 km (0.09 R)
• M15: 8,867,115 km (0.094 R)
• M16: 10,216,338 km (0.091 R)
• M17: 11,352,534 km (0.049 R)
• M18: 12,248,475 km (0.108 R)
• M19: 13,874,604 km (0.118 R)
• M20: 14,581,753 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 10.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.99 AU - 3.35 AU

Year: 3967 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,375,772 km

• M1: 132,394 km (0.066 R)
• M2: 683,213 km (0.071 R)
• M3: 1,364,183 km (0.11 R)
• M4: 1,796,521 km (0.105 R)
• M5: 2,469,262 km (0.111 R)
• M6: 3,047,159 km (0.041 R)
• M7: 3,378,369 km (0.117 R)
• M8: 4,224,195 km (0.095 R)
• M9: 5,519,713 km (0.099 R)
• M10: 5,902,534 km (0.112 R)
• M11: 7,031,848 km (0.05 R)
• M12: 13,596,202 km (0.114 R)
• M13: 14,144,628 km (0.079 R)
• M14: 15,607,546 km (0.119 R)
• M15: 16,487,481 km (0.064 R)
• M16: 16,825,871 km (0.033 R)
• M17: 19,513,696 km (0.049 R)
• M18: 21,256,960 km (0.062 R)
• M19: 24,316,835 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.7

Radius: 10.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.29 AU - 3.45 AU

Year: 4349 Days

Day: 10.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,375,772 km

• M1: 133,142 km (0.069 R)
• M2: 478,115 km (0.09 R)
• M3: 812,167 km (0.092 R)
• M4: 2,098,559 km (0.106 R)
• M5: 2,613,774 km (0.104 R)
• M6: 4,313,804 km (0.108 R)
• M7: 7,079,570 km (0.091 R)
• M8: 7,558,432 km (0.107 R)
• M9: 7,913,727 km (0.102 R)
• M10: 8,392,141 km (0.065 R)
• M11: 8,968,243 km (0.082 R)
• M12: 9,326,380 km (0.109 R)
• M13: 10,589,884 km (0.106 R)
• M14: 12,011,811 km (0.045 R)
• M15: 13,923,822 km (0.118 R)
• M16: 15,175,058 km (0.084 R)
• M17: 16,147,145 km (0.089 R)
• M18: 16,978,311 km (0.105 R)
• M19: 18,405,624 km (0.095 R)
• M20: 20,113,434 km (0.056 R)
• M21: 20,728,580 km (0.051 R)
• M22: 21,356,143 km (0.07 R)
• M23: 22,212,591 km (0.109 R)
• M24: 22,869,774 km (0.09 R)
• M25: 23,766,165 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 14.6

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.91 AU - 4.13 AU

Year: 4642 Days

Day: 7.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,375,772 km

• M1: 181,612 km (0.093 R)
• M2: 871,707 km (0.071 R)
• M3: 1,450,202 km (0.063 R)
• M4: 1,989,652 km (0.074 R)
• M5: 2,544,211 km (0.09 R)
• M6: 3,027,412 km (0.109 R)
• M7: 3,903,008 km (0.103 R)
• M8: 5,585,237 km (0.048 R)
• M9: 6,252,293 km (0.12 R)
• M10: 6,972,308 km (0.052 R)
• M11: 9,016,114 km (0.057 R)
• M12: 9,594,759 km (0.096 R)
• M13: 11,964,838 km (0.101 R)
• M14: 13,819,552 km (0.106 R)
• M15: 14,815,724 km (0.102 R)
• M16: 15,331,538 km (0.106 R)
• M17: 16,765,882 km (0.118 R)
• M18: 18,550,286 km (0.066 R)
• M19: 19,556,930 km (0.027 R)
• M20: 22,494,433 km (0.109 R)
• M21: 24,186,535 km (0.12 R)
• M22: 27,996,344 km (0.098 R)
• M23: 29,500,251 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.2

Radius: 5.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.84 AU - 10.1 AU

Year: 22128 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,375,772 km

• M1: 65,973 km (0.039 R)
• M2: 353,201 km (0.071 R)
• M3: 1,197,681 km (0.079 R)
• M4: 1,699,731 km (0.102 R)
• M5: 2,363,946 km (0.116 R)
• M6: 2,808,700 km (0.094 R)
• M7: 3,707,634 km (0.071 R)
• M8: 4,810,619 km (0.09 R)
• M9: 5,436,985 km (0.097 R)
• M10: 5,609,023 km (0.091 R)
• M11: 5,814,271 km (0.072 R)
• M12: 6,685,978 km (0.075 R)
• M13: 7,359,916 km (0.116 R)
• M14: 10,119,249 km (0.07 R)
• M15: 11,005,766 km (0.062 R)
• M16: 12,283,182 km (0.101 R)
• M17: 15,758,041 km (0.096 R)
• M18: 18,193,195 km (0.069 R)
• M19: 22,592,719 km (0.03 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 14,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit