🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.4

Radius: 14.5

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 12.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,875,031 km

• M1: 180,565 km (0.108 R)
• M2: 722,707 km (0.047 R)
• M3: 1,176,438 km (0.061 R)
• M4: 1,680,283 km (0.101 R)
• M5: 2,163,036 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670

Radius: 10.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.56 AU - 1.74 AU

Year: 1413 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,875,031 km

• M1: 128,056 km (0.085 R)
• M2: 456,274 km (0.12 R)
• M3: 1,102,387 km (0.118 R)
• M4: 1,480,720 km (0.058 R)
• M5: 2,220,032 km (0.098 R)
• M6: 2,779,977 km (0.081 R)
• M7: 3,293,846 km (0.107 R)
• M8: 3,720,050 km (0.115 R)
• M9: 4,400,571 km (0.071 R)
• M10: 5,434,741 km (0.093 R)
• M11: 6,406,230 km (0.112 R)
• M12: 6,771,099 km (0.115 R)
• M13: 7,227,372 km (0.106 R)
• M14: 8,258,251 km (0.11 R)
• M15: 9,477,324 km (0.068 R)
• M16: 10,846,594 km (0.099 R)
• M17: 11,578,875 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.2

Radius: 14.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.29 AU - 2.15 AU

Year: 1504 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,875,031 km

• M1: 178,021 km (0.107 R)
• M2: 624,571 km (0.069 R)
• M3: 1,158,785 km (0.071 R)
• M4: 2,978,643 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 11.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.67 AU - 1.89 AU

Year: 1584 Days

Day: 10.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,875,031 km

• M1: 140,472 km (0.082 R)
• M2: 555,158 km (0.106 R)
• M3: 918,830 km (0.069 R)
• M4: 1,441,226 km (0.101 R)
• M5: 1,898,397 km (0.094 R)
• M6: 2,375,465 km (0.112 R)
• M7: 2,961,140 km (0.087 R)
• M8: 3,441,649 km (0.103 R)
• M9: 4,027,923 km (0.073 R)
• M10: 4,843,231 km (0.101 R)
• M11: 5,445,662 km (0.086 R)
• M12: 6,774,540 km (0.055 R)
• M13: 7,144,944 km (0.092 R)
• M14: 9,205,056 km (0.099 R)
• M15: 10,371,471 km (0.044 R)
• M16: 10,757,732 km (0.101 R)
• M17: 12,089,602 km (0.082 R)
• M18: 12,955,924 km (0.082 R)
• M19: 14,203,420 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 9.5

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.51 AU - 3.89 AU

Year: 3817 Days

Day: 9.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,875,031 km

• M1: 118,182 km (0.059 R)
• M2: 734,077 km (0.092 R)
• M3: 1,344,137 km (0.062 R)
• M4: 1,705,266 km (0.108 R)
• M5: 2,293,635 km (0.081 R)
• M6: 2,627,387 km (0.074 R)
• M7: 3,218,149 km (0.116 R)
• M8: 4,050,063 km (0.093 R)
• M9: 4,992,979 km (0.113 R)
• M10: 5,614,109 km (0.094 R)
• M11: 6,165,227 km (0.118 R)
• M12: 6,912,469 km (0.113 R)
• M13: 7,207,925 km (0.118 R)
• M14: 7,930,183 km (0.061 R)
• M15: 8,549,518 km (0.109 R)
• M16: 9,598,947 km (0.088 R)
• M17: 10,302,506 km (0.104 R)
• M18: 10,602,001 km (0.042 R)
• M19: 11,129,034 km (0.115 R)
• M20: 14,398,795 km (0.077 R)
• M21: 15,155,012 km (0.09 R)
• M22: 15,824,014 km (0.11 R)
• M23: 16,570,956 km (0.096 R)
• M24: 17,161,269 km (0.089 R)
• M25: 23,488,810 km (0.095 R)
• M26: 24,008,663 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.2

Radius: 9.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.76 AU - 3.72 AU

Year: 3889 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,875,031 km

• M1: 313,856 km (0.113 R)
• M2: 651,050 km (0.044 R)
• M3: 1,129,165 km (0.094 R)
• M4: 1,454,241 km (0.08 R)
• M5: 2,787,457 km (0.095 R)
• M6: 3,213,661 km (0.12 R)
• M7: 3,561,477 km (0.105 R)
• M8: 5,438,780 km (0.107 R)
• M9: 6,156,700 km (0.109 R)
• M10: 7,266,268 km (0.072 R)
• M11: 10,472,898 km (0.111 R)
• M12: 11,930,430 km (0.112 R)
• M13: 13,947,608 km (0.116 R)
• M14: 15,243,275 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.9

Radius: 6.3

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.01 AU - 10.71 AU

Year: 17587 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,875,031 km

• M1: 82,877 km (0.032 R)
• M2: 401,670 km (0.029 R)
• M3: 837,898 km (0.108 R)
• M4: 1,169,407 km (0.081 R)
• M5: 2,038,570 km (0.077 R)
• M6: 2,316,224 km (0.093 R)
• M7: 2,687,376 km (0.103 R)
• M8: 2,923,591 km (0.036 R)
• M9: 4,195,323 km (0.037 R)
• M10: 5,721,520 km (0.054 R)
• M11: 6,608,785 km (0.104 R)
• M12: 7,041,273 km (0.104 R)
• M13: 7,724,935 km (0.091 R)
• M14: 8,352,348 km (0.1 R)
• M15: 10,381,494 km (0.059 R)
• M16: 13,386,466 km (0.06 R)
• M17: 21,881,681 km (0.11 R)
• M18: 22,261,958 km (0.103 R)
• M19: 22,937,991 km (0.076 R)
• M20: 24,331,196 km (0.105 R)
• M21: 26,525,198 km (0.102 R)
• M22: 27,836,274 km (0.067 R)
• M23: 33,892,744 km (0.089 R)
• M24: 37,024,276 km (0.12 R)
• M25: 37,428,789 km (0.078 R)
• M26: 38,109,459 km (0.106 R)
• M27: 39,636,105 km (0.043 R)
• M28: 40,485,672 km (0.117 R)
• M29: 43,855,364 km (0.075 R)
• M30: 47,091,166 km (0.066 R)
• M31: 53,516,245 km (0.064 R)
• M32: 55,781,156 km (0.086 R)
• M33: 57,928,035 km (0.111 R)
• M34: 58,473,170 km (0.075 R)
• M35: 62,195,464 km (0.058 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: 387 - 19,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit