🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 9.4

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.65 AU - 0.69 AU

Year: 385 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,817,223 km

• M1: 117,285 km (0.077 R)
• M2: 693,386 km (0.094 R)
• M3: 1,021,604 km (0.066 R)
• M4: 1,337,854 km (0.069 R)
• M5: 1,734,737 km (0.063 R)
• M6: 2,166,776 km (0.101 R)
• M7: 3,137,217 km (0.116 R)
• M8: 3,921,708 km (0.072 R)
• M9: 4,224,045 km (0.071 R)
• M10: 4,541,941 km (0.108 R)
• M11: 4,846,223 km (0.096 R)
• M12: 5,273,175 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290

Radius: 8.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.62 AU - 1.02 AU

Year: 522 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,817,223 km

• M1: 109,356 km (0.066 R)
• M2: 418,276 km (0.054 R)
• M3: 715,676 km (0.037 R)
• M4: 1,009,486 km (0.111 R)
• M5: 1,338,003 km (0.093 R)
• M6: 1,627,625 km (0.058 R)
• M7: 1,944,024 km (0.098 R)
• M8: 2,388,928 km (0.111 R)
• M9: 3,075,882 km (0.045 R)
• M10: 3,646,299 km (0.104 R)
• M11: 4,026,277 km (0.109 R)
• M12: 4,541,941 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.2

Radius: 10

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.3 AU - 1.56 AU

Year: 1202 Days

Day: 12.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,817,223 km

• M1: 124,316 km (0.114 R)
• M2: 558,150 km (0.108 R)
• M3: 931,396 km (0.069 R)
• M4: 1,254,977 km (0.112 R)
• M5: 1,747,004 km (0.071 R)
• M6: 2,604,499 km (0.048 R)
• M7: 3,121,210 km (0.115 R)
• M8: 3,898,969 km (0.11 R)
• M9: 4,289,719 km (0.057 R)
• M10: 5,579,701 km (0.065 R)
• M11: 7,645,199 km (0.11 R)
• M12: 10,143,932 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 12.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.21 AU - 1.87 AU

Year: 1343 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,817,223 km

• M1: 158,125 km (0.118 R)
• M2: 579,542 km (0.095 R)
• M3: 1,064,239 km (0.084 R)
• M4: 1,644,081 km (0.104 R)
• M5: 2,041,113 km (0.075 R)
• M6: 2,964,880 km (0.101 R)
• M7: 4,079,833 km (0.068 R)
• M8: 5,651,359 km (0.09 R)
• M9: 6,995,645 km (0.104 R)
• M10: 8,427,596 km (0.104 R)
• M11: 8,925,907 km (0.103 R)
• M12: 10,209,456 km (0.097 R)
• M13: 11,576,781 km (0.107 R)
• M14: 12,046,518 km (0.114 R)
• M15: 12,491,422 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 12.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.76 AU - 1.86 AU

Year: 1712 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,817,223 km

• M1: 157,975 km (0.115 R)
• M2: 579,093 km (0.102 R)
• M3: 1,316,760 km (0.115 R)
• M4: 1,827,936 km (0.088 R)
• M5: 2,496,040 km (0.051 R)
• M6: 2,951,716 km (0.054 R)
• M7: 3,527,069 km (0.07 R)
• M8: 4,212,676 km (0.041 R)
• M9: 5,341,691 km (0.107 R)
• M10: 5,896,699 km (0.074 R)
• M11: 6,539,073 km (0.082 R)
• M12: 7,360,365 km (0.095 R)
• M13: 7,879,918 km (0.1 R)
• M14: 8,453,028 km (0.094 R)
• M15: 8,931,442 km (0.119 R)
• M16: 11,170,323 km (0.116 R)
• M17: 12,688,592 km (0.119 R)
• M18: 13,679,528 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 14.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.85 AU - 2.11 AU

Year: 1958 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,817,223 km

• M1: 181,612 km (0.092 R)
• M2: 789,428 km (0.034 R)
• M3: 1,337,555 km (0.12 R)
• M4: 2,051,136 km (0.083 R)
• M5: 2,735,247 km (0.029 R)
• M6: 3,811,006 km (0.094 R)
• M7: 5,329,574 km (0.101 R)
• M8: 6,029,692 km (0.096 R)
• M9: 7,139,708 km (0.07 R)
• M10: 8,566,124 km (0.112 R)
• M11: 9,696,336 km (0.12 R)
• M12: 11,255,594 km (0.102 R)
• M13: 11,939,556 km (0.068 R)
• M14: 13,349,216 km (0.108 R)
• M15: 14,072,672 km (0.097 R)
• M16: 14,912,065 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.8

Radius: 13.2

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.27 AU - 5.13 AU

Year: 6050 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,817,223 km

• M1: 164,707 km (0.113 R)
• M2: 753,674 km (0.105 R)
• M3: 1,478,775 km (0.09 R)
• M4: 2,043,806 km (0.083 R)
• M5: 2,582,658 km (0.048 R)
• M6: 3,524,526 km (0.12 R)
• M7: 4,126,208 km (0.118 R)
• M8: 5,757,424 km (0.109 R)
• M9: 6,560,016 km (0.114 R)
• M10: 7,942,301 km (0.115 R)
• M11: 8,980,959 km (0.064 R)
• M12: 10,344,394 km (0.115 R)
• M13: 11,893,928 km (0.038 R)
• M14: 15,700,596 km (0.108 R)
• M15: 17,948,453 km (0.106 R)
• M16: 19,294,086 km (0.041 R)
• M17: 20,629,995 km (0.052 R)
• M18: 21,554,360 km (0.076 R)
• M19: 22,185,663 km (0.061 R)
• M20: 22,748,301 km (0.098 R)
• M21: 23,238,084 km (0.051 R)
• M22: 28,154,768 km (0.062 R)
• M23: 28,624,954 km (0.072 R)
• M24: 29,581,034 km (0.1 R)
• M25: 30,855,608 km (0.079 R)
• M26: 34,468,845 km (0.025 R)
• M27: 34,899,089 km (0.083 R)
• M28: 37,555,648 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit