🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 13.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.78 AU - 1.2 AU

Year: 636 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,848,592 km

• M1: 162,912 km (0.059 R)
• M2: 601,683 km (0.119 R)
• M3: 1,275,771 km (0.045 R)
• M4: 1,725,761 km (0.045 R)
• M5: 2,728,216 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 11.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.56 AU - 6.72 AU

Year: 8648 Days

Day: 5.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,848,592 km

• M1: 148,251 km (0.096 R)
• M2: 584,928 km (0.118 R)
• M3: 1,091,316 km (0.068 R)
• M4: 1,636,601 km (0.106 R)
• M5: 2,031,090 km (0.044 R)
• M6: 3,017,239 km (0.075 R)
• M7: 4,669,997 km (0.112 R)
• M8: 6,088,933 km (0.086 R)
• M9: 6,484,768 km (0.118 R)
• M10: 6,859,661 km (0.097 R)
• M11: 8,029,815 km (0.115 R)
• M12: 11,183,039 km (0.077 R)
• M13: 12,338,832 km (0.075 R)
• M14: 14,951,858 km (0.032 R)
• M15: 15,542,172 km (0.075 R)
• M16: 19,648,932 km (0.031 R)
• M17: 20,040,430 km (0.079 R)
• M18: 21,246,638 km (0.079 R)
• M19: 24,518,044 km (0.065 R)
• M20: 25,155,331 km (0.091 R)
• M21: 30,136,940 km (0.064 R)
• M22: 30,553,420 km (0.102 R)
• M23: 31,611,526 km (0.104 R)
• M24: 33,133,684 km (0.076 R)
• M25: 35,047,041 km (0.103 R)
• M26: 36,089,290 km (0.113 R)
• M27: 37,751,471 km (0.089 R)
• M28: 38,724,007 km (0.069 R)
• M29: 42,519,904 km (0.094 R)
• M30: 43,307,836 km (0.061 R)
• M31: 43,971,751 km (0.062 R)
• M32: 45,184,092 km (0.038 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.2

Radius: 6.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.41 AU - 7.45 AU

Year: 10528 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,848,592 km

• M1: 80,783 km (0.105 R)
• M2: 334,351 km (0.091 R)
• M3: 603,927 km (0.037 R)
• M4: 837,449 km (0.061 R)
• M5: 1,244,804 km (0.071 R)
• M6: 1,505,254 km (0.067 R)
• M7: 2,342,703 km (0.031 R)
• M8: 3,378,668 km (0.078 R)
• M9: 3,762,686 km (0.082 R)
• M10: 4,086,116 km (0.114 R)
• M11: 4,311,859 km (0.034 R)
• M12: 5,734,685 km (0.109 R)
• M13: 6,706,173 km (0.086 R)
• M14: 8,380,622 km (0.088 R)
• M15: 8,635,387 km (0.092 R)
• M16: 9,275,816 km (0.08 R)
• M17: 10,693,256 km (0.117 R)
• M18: 10,950,115 km (0.097 R)
• M19: 11,475,952 km (0.116 R)
• M20: 12,110,546 km (0.071 R)
• M21: 14,831,432 km (0.109 R)
• M22: 18,115,255 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10

Radius: 5.7

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.12 AU - 7.22 AU

Year: 11123 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,848,592 km

• M1: 74,350 km (0.101 R)
• M2: 939,026 km (0.11 R)
• M3: 2,084,048 km (0.079 R)
• M4: 3,272,753 km (0.032 R)
• M5: 3,666,045 km (0.11 R)
• M6: 4,836,350 km (0.118 R)
• M7: 8,305,524 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.6

Radius: 5.3

Gravity: 21.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.96 AU - 11.12 AU

Year: 20541 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,848,592 km

• M1: 67,319 km (0.052 R)
• M2: 525,238 km (0.104 R)
• M3: 1,231,938 km (0.077 R)
• M4: 1,809,087 km (0.052 R)
• M5: 2,241,425 km (0.035 R)
• M6: 2,550,644 km (0.11 R)
• M7: 2,863,004 km (0.114 R)
• M8: 4,016,852 km (0.108 R)
• M9: 4,372,895 km (0.076 R)
• M10: 6,135,308 km (0.062 R)
• M11: 7,011,503 km (0.051 R)
• M12: 7,337,177 km (0.062 R)
• M13: 7,624,106 km (0.097 R)
• M14: 7,819,481 km (0.054 R)
• M15: 10,553,831 km (0.064 R)
• M16: 13,154,440 km (0.115 R)
• M17: 16,556,894 km (0.085 R)
• M18: 17,639,235 km (0.082 R)
• M19: 17,981,664 km (0.107 R)
• M20: 18,328,282 km (0.07 R)
• M21: 18,503,312 km (0.039 R)
• M22: 18,945,822 km (0.111 R)
• M23: 20,409,338 km (0.113 R)
• M24: 28,750,467 km (0.108 R)
• M25: 29,945,455 km (0.093 R)
• M26: 32,948,033 km (0.043 R)
• M27: 33,206,987 km (0.036 R)
• M28: 34,256,117 km (0.064 R)
• M29: 34,788,985 km (0.082 R)
• M30: 35,192,301 km (0.042 R)
• M31: 38,962,765 km (0.077 R)
• M32: 42,685,957 km (0.081 R)
• M33: 51,003,300 km (0.112 R)
• M34: 52,398,749 km (0.08 R)
• M35: 53,283,770 km (0.097 R)
• M36: 53,819,480 km (0.073 R)
• M37: 62,095,084 km (0.036 R)
• M38: 63,085,871 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.2

Radius: 4.4

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.09 AU - 12.11 AU

Year: 20725 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,848,592 km

• M1: 68,366 km (0.098 R)
• M2: 268,229 km (0.059 R)
• M3: 571,613 km (0.104 R)
• M4: 796,010 km (0.066 R)
• M5: 1,453,792 km (0.108 R)
• M6: 1,672,654 km (0.097 R)
• M7: 1,952,103 km (0.076 R)
• M8: 2,197,443 km (0.1 R)
• M9: 2,825,006 km (0.109 R)
• M10: 3,058,678 km (0.059 R)
• M11: 4,459,662 km (0.087 R)
• M12: 7,334,484 km (0.112 R)
• M13: 9,319,648 km (0.053 R)
• M14: 12,304,425 km (0.066 R)
• M15: 16,031,955 km (0.087 R)
• M16: 19,506,814 km (0.118 R)
• M17: 23,662,344 km (0.105 R)
• M18: 23,979,940 km (0.087 R)
• M19: 25,389,152 km (0.094 R)
• M20: 26,852,519 km (0.118 R)
• M21: 30,442,419 km (0.069 R)
• M22: 33,668,048 km (0.113 R)
• M23: 33,935,529 km (0.081 R)
• M24: 39,290,684 km (0.117 R)
• M25: 40,788,159 km (0.037 R)
• M26: 46,493,522 km (0.101 R)
• M27: 49,363,557 km (0.099 R)
• M28: 51,105,774 km (0.114 R)
• M29: 53,431,423 km (0.04 R)
• M30: 53,977,904 km (0.057 R)
• M31: 54,344,269 km (0.079 R)
• M32: 59,845,132 km (0.039 R)
• M33: 61,425,484 km (0.118 R)
• M34: 69,097,013 km (0.079 R)
• M35: 72,158,683 km (0.066 R)
• M36: 75,766,983 km (0.045 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 14,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit