🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 10.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,440,300 km

• M1: 135,536 km (0.09 R)
• M2: 502,649 km (0.107 R)
• M3: 949,049 km (0.078 R)
• M4: 1,501,065 km (0.088 R)
• M5: 1,879,099 km (0.116 R)
• M6: 2,363,646 km (0.05 R)
• M7: 2,713,705 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 13.5

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.91 AU - 0.93 AU

Year: 588 Days

Day: 10.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,440,300 km

• M1: 169,345 km (0.093 R)
• M2: 592,856 km (0.042 R)
• M3: 1,126,472 km (0.036 R)
• M4: 1,833,472 km (0.101 R)
• M5: 2,395,959 km (0.113 R)
• M6: 3,162,948 km (0.052 R)
• M7: 3,617,576 km (0.1 R)
• M8: 4,047,670 km (0.099 R)
• M9: 4,750,181 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 9.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.88 AU - 1 AU

Year: 608 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,440,300 km

• M1: 115,938 km (0.107 R)
• M2: 409,599 km (0.087 R)
• M3: 734,974 km (0.091 R)
• M4: 1,045,988 km (0.115 R)
• M5: 1,340,547 km (0.111 R)
• M6: 1,924,726 km (0.107 R)
• M7: 2,267,305 km (0.088 R)
• M8: 2,700,242 km (0.095 R)
• M9: 3,745,332 km (0.068 R)
• M10: 4,041,237 km (0.081 R)
• M11: 4,478,960 km (0.069 R)
• M12: 4,768,582 km (0.116 R)
• M13: 5,101,437 km (0.112 R)
• M14: 5,564,143 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 13.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.15 AU - 1.47 AU

Year: 1000 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,440,300 km

• M1: 172,935 km (0.098 R)
• M2: 639,980 km (0.089 R)
• M3: 1,159,982 km (0.09 R)
• M4: 2,195,947 km (0.1 R)
• M5: 3,019,483 km (0.109 R)
• M6: 3,489,221 km (0.097 R)
• M7: 4,141,168 km (0.11 R)
• M8: 4,742,552 km (0.071 R)
• M9: 5,607,078 km (0.117 R)
• M10: 6,367,783 km (0.083 R)
• M11: 7,122,654 km (0.114 R)
• M12: 8,122,716 km (0.114 R)
• M13: 9,040,199 km (0.115 R)
• M14: 10,528,698 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 11.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.65 AU - 4.37 AU

Year: 4385 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,440,300 km

• M1: 141,968 km (0.114 R)
• M2: 543,339 km (0.109 R)
• M3: 1,063,940 km (0.11 R)
• M4: 1,786,947 km (0.106 R)
• M5: 2,606,294 km (0.054 R)
• M6: 3,137,516 km (0.059 R)
• M7: 3,505,527 km (0.114 R)
• M8: 4,351,503 km (0.102 R)
• M9: 6,592,778 km (0.074 R)
• M10: 9,667,014 km (0.07 R)
• M11: 10,944,281 km (0.117 R)
• M12: 12,286,024 km (0.086 R)
• M13: 14,727,312 km (0.101 R)
• M14: 20,933,380 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.6

Radius: 6.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6 AU - 6.76 AU

Year: 10746 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,440,300 km

• M1: 84,672 km (0.089 R)
• M2: 314,305 km (0.101 R)
• M3: 1,180,626 km (0.063 R)
• M4: 1,673,252 km (0.041 R)
• M5: 1,948,063 km (0.097 R)
• M6: 2,197,742 km (0.109 R)
• M7: 2,528,503 km (0.114 R)
• M8: 2,975,801 km (0.065 R)
• M9: 3,272,154 km (0.078 R)
• M10: 4,869,710 km (0.115 R)
• M11: 5,958,483 km (0.095 R)
• M12: 9,320,247 km (0.084 R)
• M13: 10,110,422 km (0.066 R)
• M14: 10,383,588 km (0.06 R)
• M15: 18,570,032 km (0.094 R)
• M16: 18,979,931 km (0.109 R)
• M17: 20,184,343 km (0.095 R)
• M18: 20,431,180 km (0.112 R)
• M19: 21,374,993 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.9

Radius: 7.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.71 AU - 8.09 AU

Year: 12087 Days

Day: 23.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,440,300 km

• M1: 95,743 km (0.036 R)
• M2: 349,610 km (0.05 R)
• M3: 745,297 km (0.105 R)
• M4: 992,881 km (0.057 R)
• M5: 1,352,963 km (0.075 R)
• M6: 2,922,394 km (0.03 R)
• M7: 4,535,508 km (0.098 R)
• M8: 4,779,054 km (0.059 R)
• M9: 5,593,464 km (0.096 R)
• M10: 6,362,547 km (0.108 R)
• M11: 6,807,601 km (0.087 R)
• M12: 7,236,647 km (0.081 R)
• M13: 8,070,057 km (0.045 R)
• M14: 8,469,334 km (0.098 R)
• M15: 10,857,514 km (0.063 R)
• M16: 12,466,888 km (0.03 R)
• M17: 14,518,623 km (0.111 R)
• M18: 18,997,733 km (0.1 R)
• M19: 20,946,694 km (0.101 R)
• M20: 26,964,867 km (0.105 R)
• M21: 27,587,493 km (0.038 R)
• M22: 31,429,316 km (0.065 R)
• M23: 32,119,112 km (0.097 R)
• M24: 32,818,781 km (0.029 R)
• M25: 33,223,144 km (0.114 R)

Asteroid Belt

Center: 8.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.8

Radius: 6.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.01 AU - 10.79 AU

Year: 19219 Days

Day: 24.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,440,300 km

• M1: 146,905 km (0.092 R)
• M2: 1,261,110 km (0.097 R)
• M3: 2,009,847 km (0.075 R)
• M4: 2,347,340 km (0.057 R)
• M5: 2,639,954 km (0.078 R)
• M6: 7,664,198 km (0.109 R)
• M7: 8,443,603 km (0.076 R)
• M8: 9,179,625 km (0.087 R)
• M9: 11,044,362 km (0.044 R)
• M10: 12,208,084 km (0.082 R)
• M11: 12,908,651 km (0.102 R)
• M12: 15,370,732 km (0.119 R)
• M13: 15,775,395 km (0.104 R)
• M14: 18,505,257 km (0.113 R)
• M15: 22,903,584 km (0.086 R)
• M16: 24,511,761 km (0.108 R)
• M17: 26,674,497 km (0.057 R)
• M18: 31,160,189 km (0.053 R)
• M19: 37,321,228 km (0.08 R)
• M20: 40,685,834 km (0.08 R)
• M21: 40,942,843 km (0.12 R)
• M22: 45,341,020 km (0.079 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: 552 - 17,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit