🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.4

Radius: 12.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.66 AU - 0.7 AU

Year: 387 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,660,218 km

• M1: 157,975 km (0.115 R)
• M2: 898,186 km (0.089 R)
• M3: 1,395,150 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 12

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.76 AU - 0.88 AU

Year: 513 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,660,218 km

• M1: 150,047 km (0.112 R)
• M2: 567,724 km (0.092 R)
• M3: 980,913 km (0.052 R)
• M4: 1,422,377 km (0.091 R)
• M5: 1,893,011 km (0.047 R)
• M6: 2,290,792 km (0.056 R)
• M7: 3,329,001 km (0.041 R)
• M8: 3,928,590 km (0.113 R)
• M9: 4,410,145 km (0.086 R)
• M10: 4,946,603 km (0.114 R)
• M11: 5,593,315 km (0.118 R)
• M12: 6,078,909 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 14.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.36 AU - 1.74 AU

Year: 1332 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,660,218 km

• M1: 182,659 km (0.105 R)
• M2: 636,988 km (0.084 R)
• M3: 1,110,016 km (0.102 R)
• M4: 2,030,641 km (0.072 R)
• M5: 2,832,785 km (0.104 R)
• M6: 3,302,523 km (0.105 R)
• M7: 4,263,689 km (0.115 R)
• M8: 5,071,517 km (0.109 R)
• M9: 6,193,202 km (0.106 R)
• M10: 6,844,701 km (0.091 R)
• M11: 7,452,068 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 12

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.86 AU - 2.88 AU

Year: 3356 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,660,218 km

• M1: 149,299 km (0.114 R)
• M2: 798,553 km (0.068 R)
• M3: 1,449,155 km (0.118 R)
• M4: 1,931,009 km (0.102 R)
• M5: 2,684,235 km (0.077 R)
• M6: 3,420,555 km (0.081 R)
• M7: 3,936,219 km (0.118 R)
• M8: 5,196,880 km (0.107 R)
• M9: 5,802,004 km (0.111 R)
• M10: 6,566,898 km (0.095 R)
• M11: 7,183,839 km (0.088 R)
• M12: 8,670,543 km (0.098 R)
• M13: 11,027,158 km (0.069 R)
• M14: 11,645,745 km (0.082 R)
• M15: 12,114,136 km (0.073 R)
• M16: 12,594,944 km (0.115 R)
• M17: 16,168,687 km (0.106 R)
• M18: 17,021,844 km (0.074 R)
• M19: 17,570,270 km (0.061 R)
• M20: 19,942,743 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 14.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.52 AU - 4 AU

Year: 4063 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,660,218 km

• M1: 180,116 km (0.045 R)
• M2: 663,317 km (0.092 R)
• M3: 1,962,425 km (0.094 R)
• M4: 3,072,291 km (0.075 R)
• M5: 4,107,658 km (0.099 R)
• M6: 5,017,662 km (0.067 R)
• M7: 5,773,580 km (0.072 R)
• M8: 6,528,152 km (0.109 R)
• M9: 7,156,762 km (0.032 R)
• M10: 7,825,614 km (0.106 R)
• M11: 8,384,362 km (0.096 R)
• M12: 9,288,532 km (0.087 R)
• M13: 10,153,656 km (0.11 R)
• M14: 10,963,280 km (0.071 R)
• M15: 11,701,845 km (0.109 R)
• M16: 14,770,845 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.2

Radius: 7.4

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.09 AU - 7.61 AU

Year: 13754 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,660,218 km

• M1: 92,003 km (0.087 R)
• M2: 450,140 km (0.078 R)
• M3: 812,915 km (0.119 R)
• M4: 1,079,498 km (0.082 R)
• M5: 1,492,388 km (0.12 R)
• M6: 2,611,979 km (0.107 R)
• M7: 3,204,087 km (0.102 R)
• M8: 3,600,372 km (0.094 R)
• M9: 3,911,536 km (0.068 R)
• M10: 4,333,252 km (0.112 R)
• M11: 4,718,616 km (0.08 R)
• M12: 5,057,006 km (0.074 R)
• M13: 5,557,860 km (0.09 R)
• M14: 7,304,714 km (0.105 R)
• M15: 8,327,066 km (0.101 R)
• M16: 9,025,389 km (0.093 R)
• M17: 10,481,724 km (0.106 R)
• M18: 14,476,586 km (0.118 R)
• M19: 15,337,970 km (0.117 R)
• M20: 16,157,168 km (0.118 R)
• M21: 16,848,909 km (0.097 R)
• M22: 19,988,519 km (0.109 R)
• M23: 23,013,987 km (0.119 R)
• M24: 29,385,809 km (0.07 R)
• M25: 32,305,361 km (0.114 R)
• M26: 35,669,667 km (0.062 R)
• M27: 38,307,228 km (0.101 R)
• M28: 38,986,402 km (0.117 R)
• M29: 40,089,686 km (0.109 R)
• M30: 43,819,311 km (0.038 R)
• M31: 44,263,916 km (0.047 R)
• M32: 45,011,755 km (0.111 R)
• M33: 45,616,131 km (0.109 R)
• M34: 57,616,423 km (0.084 R)
• M35: 58,687,095 km (0.118 R)
• M36: 60,501,119 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.6

Radius: 6.9

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.64 AU - 12.48 AU

Year: 22025 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,660,218 km

• M1: 87,515 km (0.068 R)
• M2: 367,412 km (0.092 R)
• M3: 672,442 km (0.051 R)
• M4: 905,516 km (0.074 R)
• M5: 1,231,639 km (0.097 R)
• M6: 1,955,843 km (0.04 R)
• M7: 2,840,564 km (0.084 R)
• M8: 5,622,337 km (0.075 R)
• M9: 6,980,985 km (0.099 R)
• M10: 8,110,449 km (0.093 R)
• M11: 8,545,330 km (0.064 R)
• M12: 9,620,789 km (0.087 R)
• M13: 10,442,380 km (0.083 R)
• M14: 11,730,717 km (0.113 R)
• M15: 12,162,008 km (0.057 R)
• M16: 13,788,885 km (0.03 R)
• M17: 14,408,519 km (0.102 R)
• M18: 15,555,785 km (0.053 R)
• M19: 16,455,167 km (0.073 R)
• M20: 22,782,260 km (0.097 R)
• M21: 24,835,491 km (0.107 R)
• M22: 26,062,492 km (0.057 R)
• M23: 32,446,731 km (0.041 R)
• M24: 33,173,926 km (0.115 R)
• M25: 35,420,737 km (0.044 R)
• M26: 40,493,152 km (0.103 R)
• M27: 45,423,897 km (0.116 R)
• M28: 56,631,471 km (0.086 R)
• M29: 58,216,759 km (0.091 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 10,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit