🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 8.6

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.54 AU - 0.84 AU

Year: 376 Days

Day: 9.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 9,125,587 km

• M1: 109,805 km (0.104 R)
• M2: 289,023 km (0.087 R)
• M3: 735,124 km (0.09 R)
• M4: 943,215 km (0.086 R)
• M5: 1,137,841 km (0.113 R)
• M6: 1,306,139 km (0.095 R)
• M7: 1,481,617 km (0.041 R)
• M8: 1,651,411 km (0.083 R)
• M9: 1,849,778 km (0.109 R)
• M10: 2,430,068 km (0.082 R)
• M11: 3,061,221 km (0.067 R)
• M12: 3,291,153 km (0.068 R)
• M13: 3,670,085 km (0.077 R)
• M14: 3,840,327 km (0.097 R)
• M15: 4,042,284 km (0.115 R)
• M16: 4,335,945 km (0.057 R)
• M17: 4,511,423 km (0.066 R)
• M18: 5,195,534 km (0.105 R)
• M19: 5,398,389 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.5

Radius: 9.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.84 AU

Year: 401 Days

Day: 13 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 9,125,587 km

• M1: 116,686 km (0.076 R)
• M2: 327,320 km (0.105 R)
• M3: 543,040 km (0.057 R)
• M4: 753,973 km (0.098 R)
• M5: 978,370 km (0.042 R)
• M6: 1,181,225 km (0.094 R)
• M7: 1,618,649 km (0.076 R)
• M8: 1,971,850 km (0.086 R)
• M9: 2,322,806 km (0.039 R)
• M10: 2,761,277 km (0.116 R)
• M11: 3,017,688 km (0.083 R)
• M12: 3,301,775 km (0.087 R)
• M13: 3,706,886 km (0.072 R)
• M14: 3,926,944 km (0.107 R)
• M15: 4,260,547 km (0.033 R)
• M16: 4,608,063 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 10.2

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.15 AU - 1.21 AU

Year: 841 Days

Day: 9.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 9,125,587 km

• M1: 180,864 km (0.084 R)
• M2: 413,489 km (0.082 R)
• M3: 655,089 km (0.041 R)
• M4: 934,687 km (0.077 R)
• M5: 1,152,203 km (0.088 R)
• M6: 1,524,402 km (0.051 R)
• M7: 1,750,594 km (0.112 R)
• M8: 2,121,597 km (0.113 R)
• M9: 2,471,058 km (0.104 R)
• M10: 2,792,843 km (0.072 R)
• M11: 3,679,210 km (0.11 R)
• M12: 3,996,358 km (0.116 R)
• M13: 4,538,351 km (0.115 R)
• M14: 4,912,345 km (0.099 R)
• M15: 5,290,529 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 9.2

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.01 AU - 1.41 AU

Year: 873 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 9,125,587 km

• M1: 120,576 km (0.034 R)
• M2: 293,361 km (0.11 R)
• M3: 520,750 km (0.11 R)
• M4: 1,125,275 km (0.11 R)
• M5: 1,637,947 km (0.063 R)
• M6: 1,814,473 km (0.058 R)
• M7: 2,121,896 km (0.071 R)
• M8: 3,331,245 km (0.067 R)
• M9: 3,951,029 km (0.104 R)
• M10: 4,774,117 km (0.115 R)
• M11: 6,194,399 km (0.095 R)
• M12: 7,020,927 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 14.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.01 AU - 1.47 AU

Year: 906 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 9,125,587 km

• M1: 203,603 km (0.095 R)
• M2: 599,738 km (0.044 R)
• M3: 1,054,815 km (0.116 R)
• M4: 1,446,911 km (0.086 R)
• M5: 2,565,903 km (0.104 R)
• M6: 2,991,509 km (0.092 R)
• M7: 3,909,890 km (0.119 R)
• M8: 4,331,906 km (0.075 R)
• M9: 5,522,854 km (0.115 R)
• M10: 6,896,911 km (0.114 R)
• M11: 7,739,895 km (0.075 R)
• M12: 8,152,785 km (0.105 R)
• M13: 9,398,486 km (0.09 R)
• M14: 9,793,873 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 14.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.11 AU - 1.45 AU

Year: 950 Days

Day: 12.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 9,125,587 km

• M1: 223,798 km (0.091 R)
• M2: 740,210 km (0.108 R)
• M3: 1,369,868 km (0.055 R)
• M4: 1,980,377 km (0.077 R)
• M5: 2,769,206 km (0.09 R)
• M6: 3,836,437 km (0.104 R)
• M7: 5,885,928 km (0.116 R)
• M8: 6,383,042 km (0.085 R)
• M9: 7,001,330 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 14.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.42 AU - 1.54 AU

Year: 1181 Days

Day: 10.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 9,125,587 km

• M1: 184,305 km (0.08 R)
• M2: 519,553 km (0.074 R)
• M3: 894,894 km (0.11 R)
• M4: 1,234,182 km (0.069 R)
• M5: 1,521,710 km (0.106 R)
• M6: 3,103,408 km (0.067 R)
• M7: 3,518,841 km (0.104 R)
• M8: 4,330,260 km (0.052 R)
• M9: 4,640,376 km (0.059 R)
• M10: 5,024,095 km (0.105 R)
• M11: 5,310,276 km (0.112 R)
• M12: 6,217,886 km (0.093 R)
• M13: 8,295,501 km (0.086 R)
• M14: 8,768,829 km (0.112 R)
• M15: 9,406,116 km (0.11 R)
• M16: 10,795,581 km (0.044 R)
• M17: 11,193,661 km (0.049 R)
• M18: 11,574,986 km (0.097 R)
• M19: 11,987,128 km (0.079 R)
• M20: 12,556,647 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 13.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.29 AU - 2.01 AU

Year: 1390 Days

Day: 12.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 9,125,587 km

• M1: 173,234 km (0.066 R)
• M2: 663,317 km (0.106 R)
• M3: 1,121,236 km (0.1 R)
• M4: 1,468,004 km (0.087 R)
• M5: 2,259,227 km (0.111 R)
• M6: 2,783,867 km (0.109 R)
• M7: 3,924,102 km (0.118 R)
• M8: 4,345,070 km (0.075 R)
• M9: 4,851,309 km (0.106 R)
• M10: 5,319,999 km (0.117 R)
• M11: 6,180,786 km (0.089 R)
• M12: 6,917,406 km (0.115 R)
• M13: 7,776,696 km (0.06 R)
• M14: 8,730,233 km (0.091 R)
• M15: 9,031,523 km (0.11 R)
• M16: 9,404,470 km (0.089 R)
• M17: 10,452,254 km (0.109 R)
• M18: 10,734,844 km (0.094 R)
• M19: 10,997,239 km (0.07 R)
• M20: 12,536,451 km (0.107 R)
• M21: 13,028,628 km (0.059 R)
• M22: 13,450,494 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 9.2

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.6 AU - 1.88 AU

Year: 1506 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 9,125,587 km

• M1: 118,332 km (0.037 R)
• M2: 436,227 km (0.116 R)
• M3: 655,239 km (0.099 R)
• M4: 867,069 km (0.066 R)
• M5: 3,001,232 km (0.104 R)
• M6: 4,293,459 km (0.112 R)
• M7: 5,062,242 km (0.105 R)
• M8: 5,457,181 km (0.096 R)
• M9: 7,013,597 km (0.085 R)
• M10: 7,316,533 km (0.103 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit