🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 13.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.54 AU - 0.78 AU

Year: 377 Days

Day: 13.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 44,673,166 km

• M1: 171,589 km (0.107 R)
• M2: 908,358 km (0.119 R)
• M3: 1,931,907 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 13.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.71 AU - 0.81 AU

Year: 466 Days

Day: 14.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,673,166 km

• M1: 166,652 km (0.05 R)
• M2: 584,778 km (0.111 R)
• M3: 1,009,786 km (0.083 R)
• M4: 1,560,156 km (0.1 R)
• M5: 2,012,839 km (0.106 R)
• M6: 2,464,176 km (0.051 R)
• M7: 3,121,808 km (0.11 R)
• M8: 3,653,778 km (0.098 R)
• M9: 4,407,602 km (0.083 R)
• M10: 4,885,866 km (0.109 R)
• M11: 5,519,563 km (0.106 R)
• M12: 6,095,066 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 12.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.75 AU - 1.01 AU

Year: 580 Days

Day: 12 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,673,166 km

• M1: 155,731 km (0.06 R)
• M2: 685,009 km (0.105 R)
• M3: 1,362,837 km (0.041 R)
• M4: 1,915,152 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.2

Radius: 14.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.27 AU - 1.33 AU

Year: 1042 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,673,166 km

• M1: 176,525 km (0.103 R)
• M2: 642,224 km (0.112 R)
• M3: 1,112,859 km (0.094 R)
• M4: 1,600,099 km (0.096 R)
• M5: 2,388,629 km (0.086 R)
• M6: 2,966,077 km (0.119 R)
• M7: 3,977,508 km (0.099 R)
• M8: 4,472,079 km (0.083 R)
• M9: 5,244,901 km (0.069 R)
• M10: 6,084,744 km (0.108 R)
• M11: 7,195,358 km (0.119 R)
• M12: 8,057,790 km (0.069 R)
• M13: 8,514,363 km (0.071 R)
• M14: 9,231,685 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 11.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 1164 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,673,166 km

• M1: 141,819 km (0.085 R)
• M2: 498,311 km (0.065 R)
• M3: 906,563 km (0.086 R)
• M4: 1,418,188 km (0.093 R)
• M5: 1,864,737 km (0.114 R)
• M6: 2,487,513 km (0.053 R)
• M7: 3,915,575 km (0.072 R)
• M8: 4,421,664 km (0.116 R)
• M9: 4,792,817 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 11.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.32 AU - 1.68 AU

Year: 1291 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,673,166 km

• M1: 144,212 km (0.087 R)
• M2: 522,097 km (0.107 R)
• M3: 963,111 km (0.103 R)
• M4: 1,684,622 km (0.056 R)
• M5: 2,060,860 km (0.032 R)
• M6: 2,614,672 km (0.117 R)
• M7: 3,124,800 km (0.071 R)
• M8: 3,716,460 km (0.081 R)
• M9: 4,416,728 km (0.027 R)
• M10: 5,526,295 km (0.118 R)
• M11: 7,942,001 km (0.066 R)
• M12: 8,482,050 km (0.059 R)
• M13: 9,104,227 km (0.116 R)
• M14: 10,535,729 km (0.082 R)
• M15: 11,221,785 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 11.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.75 AU - 2.13 AU

Year: 1899 Days

Day: 10.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,673,166 km

• M1: 141,968 km (0.103 R)
• M2: 543,040 km (0.119 R)
• M3: 963,111 km (0.109 R)
• M4: 1,504,805 km (0.071 R)
• M5: 2,173,059 km (0.115 R)
• M6: 2,786,560 km (0.09 R)
• M7: 3,645,251 km (0.044 R)
• M8: 4,154,931 km (0.049 R)
• M9: 4,732,080 km (0.07 R)
• M10: 6,312,432 km (0.099 R)
• M11: 6,789,499 km (0.093 R)
• M12: 7,236,647 km (0.105 R)
• M13: 7,872,887 km (0.092 R)
• M14: 9,162,271 km (0.044 R)
• M15: 13,175,982 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 10.7

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.99 AU - 3.15 AU

Year: 2896 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,673,166 km

• M1: 133,142 km (0.103 R)
• M2: 514,766 km (0.069 R)
• M3: 882,179 km (0.055 R)
• M4: 1,294,171 km (0.11 R)
• M5: 1,762,413 km (0.061 R)
• M6: 2,430,367 km (0.102 R)
• M7: 2,790,898 km (0.11 R)
• M8: 3,720,649 km (0.087 R)
• M9: 4,562,137 km (0.04 R)
• M10: 5,165,315 km (0.096 R)
• M11: 5,685,467 km (0.039 R)
• M12: 6,984,276 km (0.052 R)
• M13: 7,886,650 km (0.073 R)
• M14: 8,684,605 km (0.115 R)
• M15: 9,233,330 km (0.101 R)
• M16: 10,440,884 km (0.117 R)
• M17: 10,852,129 km (0.069 R)
• M18: 11,532,500 km (0.06 R)
• M19: 12,016,599 km (0.088 R)
• M20: 12,884,565 km (0.103 R)
• M21: 15,368,788 km (0.109 R)
• M22: 17,573,561 km (0.11 R)
• M23: 19,793,743 km (0.097 R)
• M24: 20,233,860 km (0.059 R)
• M25: 21,859,390 km (0.118 R)
• M26: 22,806,794 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.5

Radius: 5.1

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.03 AU - 6.07 AU

Year: 9191 Days

Day: 22.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 44,673,166 km

• M1: 63,429 km (0.098 R)
• M2: 242,797 km (0.118 R)
• M3: 558,150 km (0.07 R)
• M4: 752,178 km (0.119 R)
• M5: 1,032,225 km (0.049 R)
• M6: 1,431,352 km (0.046 R)
• M7: 1,847,833 km (0.07 R)
• M8: 2,009,099 km (0.09 R)
• M9: 2,232,599 km (0.078 R)
• M10: 4,074,597 km (0.055 R)
• M11: 4,694,980 km (0.043 R)
• M12: 5,343,935 km (0.059 R)
• M13: 5,572,969 km (0.117 R)
• M14: 6,121,246 km (0.107 R)
• M15: 6,335,919 km (0.105 R)
• M16: 6,780,224 km (0.113 R)
• M17: 6,971,410 km (0.091 R)
• M18: 8,109,401 km (0.1 R)
• M19: 8,994,422 km (0.047 R)
• M20: 11,593,985 km (0.119 R)
• M21: 14,654,458 km (0.113 R)
• M22: 16,233,015 km (0.057 R)
• M23: 18,287,293 km (0.083 R)
• M24: 18,732,945 km (0.1 R)
• M25: 22,818,014 km (0.031 R)
• M26: 25,848,268 km (0.104 R)
• M27: 26,598,352 km (0.049 R)
• M28: 28,735,657 km (0.042 R)
• M29: 32,259,734 km (0.032 R)
• M30: 33,019,392 km (0.072 R)
• M31: 33,902,169 km (0.083 R)
• M32: 39,531,237 km (0.11 R)
• M33: 41,283,328 km (0.084 R)
• M34: 42,307,325 km (0.107 R)
• M35: 43,217,179 km (0.093 R)
• M36: 44,140,049 km (0.105 R)
• M37: 44,673,215 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 11,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit