🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 13

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.69 AU - 0.99 AU

Year: 522 Days

Day: 7.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,421,142 km

• M1: 161,715 km (0.103 R)
• M2: 659,876 km (0.097 R)
• M3: 1,166,265 km (0.086 R)
• M4: 1,716,636 km (0.087 R)
• M5: 2,379,354 km (0.113 R)
• M6: 2,859,862 km (0.09 R)
• M7: 3,506,873 km (0.109 R)
• M8: 4,104,666 km (0.048 R)
• M9: 4,566,026 km (0.07 R)
• M10: 5,594,063 km (0.078 R)
• M11: 6,163,133 km (0.119 R)
• M12: 6,710,212 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 12.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.29 AU - 1.35 AU

Year: 1029 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,421,142 km

• M1: 156,479 km (0.093 R)
• M2: 589,864 km (0.056 R)
• M3: 1,111,811 km (0.054 R)
• M4: 1,539,811 km (0.094 R)
• M5: 2,068,939 km (0.102 R)
• M6: 2,594,625 km (0.106 R)
• M7: 3,742,640 km (0.085 R)
• M8: 4,164,954 km (0.082 R)
• M9: 5,901,038 km (0.051 R)
• M10: 6,590,385 km (0.097 R)
• M11: 9,989,099 km (0.103 R)
• M12: 10,969,114 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 11

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.44 AU - 1.48 AU

Year: 1197 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,421,142 km

• M1: 136,732 km (0.102 R)
• M2: 946,955 km (0.095 R)
• M3: 1,725,013 km (0.06 R)
• M4: 2,102,748 km (0.103 R)
• M5: 2,653,417 km (0.072 R)
• M6: 3,273,201 km (0.09 R)
• M7: 4,497,959 km (0.115 R)
• M8: 5,873,661 km (0.074 R)
• M9: 6,638,106 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.6

Radius: 10.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.51 AU - 2.29 AU

Year: 1776 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,421,142 km

• M1: 125,662 km (0.103 R)
• M2: 499,507 km (0.077 R)
• M3: 1,102,088 km (0.1 R)
• M4: 1,427,164 km (0.116 R)
• M5: 1,849,329 km (0.107 R)
• M6: 2,303,658 km (0.054 R)
• M7: 3,226,676 km (0.105 R)
• M8: 3,555,792 km (0.1 R)
• M9: 3,961,950 km (0.106 R)
• M10: 4,701,412 km (0.085 R)
• M11: 5,017,662 km (0.086 R)
• M12: 5,484,258 km (0.062 R)
• M13: 5,931,256 km (0.067 R)
• M14: 6,326,494 km (0.096 R)
• M15: 7,561,424 km (0.091 R)
• M16: 8,145,903 km (0.104 R)
• M17: 8,760,302 km (0.114 R)
• M18: 11,305,111 km (0.05 R)
• M19: 11,721,442 km (0.094 R)
• M20: 12,226,784 km (0.111 R)
• M21: 12,665,554 km (0.044 R)
• M22: 13,114,797 km (0.054 R)
• M23: 15,155,311 km (0.091 R)
• M24: 15,522,724 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.6

Radius: 13.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.54 AU - 3.1 AU

Year: 3212 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,421,142 km

• M1: 165,754 km (0.111 R)
• M2: 635,641 km (0.027 R)
• M3: 1,279,959 km (0.118 R)
• M4: 1,913,058 km (0.057 R)
• M5: 2,472,853 km (0.087 R)
• M6: 3,552,949 km (0.1 R)
• M7: 4,229,880 km (0.099 R)
• M8: 4,713,829 km (0.067 R)
• M9: 5,794,225 km (0.101 R)
• M10: 6,681,490 km (0.094 R)
• M11: 7,369,191 km (0.049 R)
• M12: 8,411,140 km (0.099 R)
• M13: 9,313,365 km (0.077 R)
• M14: 11,046,606 km (0.116 R)
• M15: 12,329,258 km (0.071 R)
• M16: 12,902,517 km (0.1 R)
• M17: 15,004,367 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 8.3

Gravity: 12.67 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.84 AU - 5.02 AU

Year: 7424 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,421,142 km

• M1: 106,663 km (0.118 R)
• M2: 394,789 km (0.107 R)
• M3: 743,801 km (0.089 R)
• M4: 1,076,805 km (0.115 R)
• M5: 1,470,098 km (0.076 R)
• M6: 1,730,099 km (0.097 R)
• M7: 2,136,407 km (0.07 R)
• M8: 2,509,953 km (0.097 R)
• M9: 2,844,005 km (0.047 R)
• M10: 3,366,251 km (0.049 R)
• M11: 4,745,544 km (0.111 R)
• M12: 5,642,682 km (0.05 R)
• M13: 6,467,266 km (0.057 R)
• M14: 6,833,631 km (0.111 R)
• M15: 7,409,134 km (0.104 R)
• M16: 8,311,059 km (0.118 R)
• M17: 8,612,948 km (0.055 R)
• M18: 8,922,017 km (0.113 R)
• M19: 9,609,569 km (0.097 R)
• M20: 10,782,267 km (0.112 R)
• M21: 12,267,923 km (0.092 R)
• M22: 15,770,907 km (0.091 R)
• M23: 21,703,210 km (0.028 R)
• M24: 22,692,351 km (0.119 R)
• M25: 23,283,113 km (0.063 R)
• M26: 23,797,580 km (0.1 R)
• M27: 24,495,305 km (0.103 R)
• M28: 26,484,358 km (0.056 R)
• M29: 34,403,322 km (0.044 R)
• M30: 37,241,343 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.1

Radius: 3.9

Gravity: 25.19 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.94 AU - 7.5 AU

Year: 13158 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,421,142 km

• M1: 48,470 km (0.108 R)
• M2: 186,997 km (0.118 R)
• M3: 338,839 km (0.085 R)
• M4: 588,069 km (0.071 R)
• M5: 1,088,474 km (0.086 R)
• M6: 2,836,974 km (0.119 R)
• M7: 3,313,443 km (0.11 R)
• M8: 4,195,023 km (0.098 R)
• M9: 4,365,266 km (0.055 R)
• M10: 4,569,916 km (0.06 R)
• M11: 4,873,300 km (0.1 R)
• M12: 5,254,924 km (0.109 R)
• M13: 6,077,264 km (0.094 R)
• M14: 7,674,969 km (0.078 R)
• M15: 8,147,100 km (0.073 R)
• M16: 8,279,045 km (0.116 R)
• M17: 8,412,487 km (0.088 R)
• M18: 9,054,411 km (0.11 R)
• M19: 11,175,559 km (0.107 R)
• M20: 11,503,478 km (0.081 R)
• M21: 12,121,018 km (0.113 R)
• M22: 16,158,365 km (0.051 R)
• M23: 16,436,916 km (0.114 R)
• M24: 18,935,350 km (0.097 R)
• M25: 22,442,972 km (0.091 R)
• M26: 24,668,988 km (0.045 R)
• M27: 26,552,425 km (0.11 R)
• M28: 28,126,494 km (0.11 R)
• M29: 30,921,880 km (0.093 R)
• M30: 32,002,575 km (0.08 R)
• M31: 32,221,736 km (0.109 R)
• M32: 32,996,503 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 19,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit