🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 11.7

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1 AU - 1.08 AU

Year: 696 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,688,414 km

• M1: 145,559 km (0.046 R)
• M2: 511,625 km (0.102 R)
• M3: 926,759 km (0.068 R)
• M4: 1,402,779 km (0.082 R)
• M5: 2,079,261 km (0.043 R)
• M6: 2,643,544 km (0.084 R)
• M7: 3,037,286 km (0.097 R)
• M8: 4,020,293 km (0.079 R)
• M9: 5,258,814 km (0.115 R)
• M10: 6,188,864 km (0.114 R)
• M11: 6,650,224 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 13.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.87 AU - 1.23 AU

Year: 706 Days

Day: 7.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,688,414 km

• M1: 162,912 km (0.092 R)
• M2: 579,093 km (0.114 R)
• M3: 1,013,825 km (0.109 R)
• M4: 1,531,733 km (0.079 R)
• M5: 2,045,452 km (0.071 R)
• M6: 2,705,926 km (0.102 R)
• M7: 3,146,492 km (0.045 R)
• M8: 3,728,129 km (0.096 R)
• M9: 4,766,936 km (0.108 R)
• M10: 5,192,692 km (0.066 R)
• M11: 5,697,585 km (0.11 R)
• M12: 6,273,536 km (0.107 R)
• M13: 6,725,771 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 12.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.47 AU - 1.49 AU

Year: 1181 Days

Day: 7.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,688,414 km

• M1: 152,590 km (0.093 R)
• M2: 533,316 km (0.096 R)
• M3: 1,073,514 km (0.111 R)
• M4: 1,784,553 km (0.105 R)
• M5: 2,366,339 km (0.108 R)
• M6: 3,059,127 km (0.045 R)
• M7: 3,958,210 km (0.116 R)
• M8: 4,849,963 km (0.078 R)
• M9: 5,242,358 km (0.11 R)
• M10: 6,443,330 km (0.052 R)
• M11: 7,464,335 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.6

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.05 AU - 2.05 AU

Year: 1925 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,688,414 km

• M1: 176,675 km (0.067 R)
• M2: 696,677 km (0.047 R)
• M3: 1,388,268 km (0.04 R)
• M4: 1,847,384 km (0.072 R)
• M5: 2,785,512 km (0.111 R)
• M6: 3,579,428 km (0.105 R)
• M7: 4,557,200 km (0.096 R)
• M8: 6,990,110 km (0.113 R)
• M9: 8,345,616 km (0.081 R)
• M10: 9,744,057 km (0.082 R)
• M11: 11,573,041 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 13.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.74 AU - 2.66 AU

Year: 2141 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,688,414 km

• M1: 168,746 km (0.084 R)
• M2: 947,553 km (0.104 R)
• M3: 1,742,366 km (0.11 R)
• M4: 2,199,089 km (0.081 R)
• M5: 2,863,004 km (0.053 R)
• M6: 3,573,594 km (0.063 R)
• M7: 5,732,441 km (0.057 R)
• M8: 6,183,329 km (0.11 R)
• M9: 6,865,196 km (0.106 R)
• M10: 7,909,389 km (0.117 R)
• M11: 10,209,007 km (0.077 R)
• M12: 14,952,756 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 8.2

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.22 AU - 6.26 AU

Year: 9021 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,688,414 km

• M1: 102,026 km (0.067 R)
• M2: 551,119 km (0.051 R)
• M3: 809,474 km (0.041 R)
• M4: 1,219,821 km (0.07 R)
• M5: 1,675,347 km (0.076 R)
• M6: 2,258,180 km (0.119 R)
• M7: 3,146,642 km (0.055 R)
• M8: 3,497,598 km (0.027 R)
• M9: 3,797,093 km (0.105 R)
• M10: 5,076,155 km (0.12 R)
• M11: 5,527,193 km (0.068 R)
• M12: 6,771,996 km (0.109 R)
• M13: 11,781,880 km (0.12 R)
• M14: 16,161,656 km (0.085 R)
• M15: 16,784,582 km (0.034 R)
• M16: 19,129,678 km (0.08 R)
• M17: 22,699,083 km (0.054 R)
• M18: 24,821,728 km (0.117 R)
• M19: 28,149,383 km (0.115 R)
• M20: 28,848,902 km (0.085 R)
• M21: 33,291,361 km (0.109 R)
• M22: 38,169,448 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.2

Radius: 4.7

Gravity: 36.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.45 AU - 9.93 AU

Year: 15376 Days

Day: 22.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,688,414 km

• M1: 58,942 km (0.039 R)
• M2: 223,649 km (0.07 R)
• M3: 595,549 km (0.089 R)
• M4: 940,971 km (0.098 R)
• M5: 1,365,230 km (0.081 R)
• M6: 2,384,440 km (0.064 R)
• M7: 2,912,222 km (0.045 R)
• M8: 3,919,614 km (0.115 R)
• M9: 4,071,605 km (0.082 R)
• M10: 4,227,486 km (0.115 R)
• M11: 4,685,555 km (0.106 R)
• M12: 4,997,018 km (0.065 R)
• M13: 6,135,457 km (0.046 R)
• M14: 7,623,208 km (0.059 R)
• M15: 10,224,117 km (0.095 R)
• M16: 10,396,753 km (0.087 R)
• M17: 10,986,168 km (0.069 R)
• M18: 12,688,891 km (0.033 R)
• M19: 13,499,113 km (0.113 R)
• M20: 14,778,325 km (0.092 R)
• M21: 19,272,095 km (0.102 R)
• M22: 23,783,668 km (0.088 R)
• M23: 25,961,214 km (0.047 R)
• M24: 27,484,570 km (0.104 R)
• M25: 29,529,423 km (0.119 R)
• M26: 33,918,774 km (0.103 R)
• M27: 36,001,924 km (0.107 R)
• M28: 38,307,078 km (0.07 R)
• M29: 39,850,030 km (0.084 R)
• M30: 40,853,084 km (0.115 R)
• M31: 45,965,591 km (0.109 R)
• M32: 47,386,921 km (0.04 R)
• M33: 50,649,800 km (0.044 R)
• M34: 52,336,067 km (0.106 R)
• M35: 52,506,758 km (0.107 R)
• M36: 58,716,267 km (0.101 R)
• M37: 62,475,362 km (0.096 R)
• M38: 65,397,607 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.5

Radius: 3.3

Gravity: 80.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.68 AU - 11.4 AU

Year: 19330 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 80,688,414 km

• M1: 40,990 km (0.068 R)
• M2: 222,302 km (0.117 R)
• M3: 347,217 km (0.104 R)
• M4: 809,474 km (0.052 R)
• M5: 1,212,640 km (0.099 R)
• M6: 1,409,960 km (0.052 R)
• M7: 1,811,481 km (0.063 R)
• M8: 2,306,799 km (0.102 R)
• M9: 3,352,787 km (0.112 R)
• M10: 3,588,404 km (0.061 R)
• M11: 3,898,521 km (0.07 R)
• M12: 5,518,366 km (0.093 R)
• M13: 5,805,145 km (0.073 R)
• M14: 11,315,433 km (0.076 R)
• M15: 12,115,632 km (0.102 R)
• M16: 13,828,079 km (0.099 R)
• M17: 15,776,292 km (0.073 R)
• M18: 17,373,848 km (0.037 R)
• M19: 20,302,825 km (0.107 R)
• M20: 24,296,789 km (0.084 R)
• M21: 24,405,546 km (0.095 R)
• M22: 25,962,710 km (0.112 R)
• M23: 26,190,398 km (0.101 R)
• M24: 26,881,541 km (0.114 R)
• M25: 28,300,028 km (0.114 R)
• M26: 35,583,200 km (0.11 R)
• M27: 38,165,409 km (0.111 R)
• M28: 39,954,599 km (0.086 R)
• M29: 41,177,861 km (0.059 R)
• M30: 41,955,022 km (0.042 R)
• M31: 42,583,632 km (0.108 R)
• M32: 43,699,034 km (0.115 R)
• M33: 57,279,080 km (0.107 R)
• M34: 57,664,893 km (0.066 R)
• M35: 62,635,581 km (0.051 R)
• M36: 70,947,688 km (0.07 R)
• M37: 71,839,590 km (0.085 R)
• M38: 72,063,688 km (0.098 R)
• M39: 80,446,704 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit