🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 8.1

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.35 AU - 1.41 AU

Year: 1047 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,219,844 km

• M1: 100,829 km (0.099 R)
• M2: 719,566 km (0.073 R)
• M3: 1,072,318 km (0.086 R)
• M4: 1,513,332 km (0.069 R)
• M5: 1,868,178 km (0.106 R)
• M6: 2,199,986 km (0.086 R)
• M7: 4,090,455 km (0.118 R)
• M8: 5,327,928 km (0.094 R)
• M9: 6,087,736 km (0.082 R)
• M10: 6,424,780 km (0.064 R)
• M11: 9,029,279 km (0.093 R)
• M12: 9,617,797 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.2

Radius: 8.9

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.42 AU - 1.78 AU

Year: 1307 Days

Day: 5.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,219,844 km

• M1: 110,852 km (0.046 R)
• M2: 387,907 km (0.047 R)
• M3: 836,252 km (0.117 R)
• M4: 1,408,015 km (0.112 R)
• M5: 1,688,362 km (0.107 R)
• M6: 2,117,558 km (0.066 R)
• M7: 2,401,644 km (0.092 R)
• M8: 3,136,020 km (0.107 R)
• M9: 3,572,098 km (0.116 R)
• M10: 4,012,813 km (0.054 R)
• M11: 4,338,787 km (0.073 R)
• M12: 4,761,251 km (0.095 R)
• M13: 5,424,718 km (0.12 R)
• M14: 5,733,787 km (0.118 R)
• M15: 6,411,615 km (0.108 R)
• M16: 6,833,182 km (0.036 R)
• M17: 7,299,628 km (0.105 R)
• M18: 7,731,966 km (0.111 R)
• M19: 8,857,540 km (0.108 R)
• M20: 9,859,846 km (0.03 R)
• M21: 10,388,525 km (0.093 R)
• M22: 12,200,454 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 13

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.34 AU - 2.16 AU

Year: 1495 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,219,844 km

• M1: 161,715 km (0.105 R)
• M2: 949,348 km (0.114 R)
• M3: 1,383,631 km (0.085 R)
• M4: 1,804,300 km (0.103 R)
• M5: 2,226,316 km (0.045 R)
• M6: 2,702,785 km (0.049 R)
• M7: 3,430,578 km (0.071 R)
• M8: 4,285,680 km (0.064 R)
• M9: 4,937,478 km (0.075 R)
• M10: 5,395,098 km (0.059 R)
• M11: 5,901,786 km (0.064 R)
• M12: 6,396,057 km (0.116 R)
• M13: 8,124,960 km (0.119 R)
• M14: 9,410,304 km (0.064 R)
• M15: 10,360,101 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.7

Radius: 10

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.4 AU - 3.22 AU

Year: 3041 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,219,844 km

• M1: 124,465 km (0.084 R)
• M2: 1,036,264 km (0.103 R)
• M3: 1,603,839 km (0.108 R)
• M4: 1,925,175 km (0.116 R)
• M5: 2,316,074 km (0.092 R)
• M6: 3,309,105 km (0.073 R)
• M7: 3,655,125 km (0.071 R)
• M8: 4,606,418 km (0.093 R)
• M9: 5,594,063 km (0.071 R)
• M10: 6,292,685 km (0.118 R)
• M11: 8,610,554 km (0.088 R)
• M12: 9,001,753 km (0.047 R)
• M13: 11,176,607 km (0.095 R)
• M14: 14,440,084 km (0.106 R)
• M15: 16,536,549 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 8.6

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.3 AU - 3.42 AU

Year: 3123 Days

Day: 14.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,219,844 km

• M1: 107,710 km (0.116 R)
• M2: 399,277 km (0.083 R)
• M3: 771,925 km (0.085 R)
• M4: 1,052,870 km (0.061 R)
• M5: 1,547,590 km (0.056 R)
• M6: 1,941,780 km (0.107 R)
• M7: 2,401,943 km (0.076 R)
• M8: 3,874,884 km (0.1 R)
• M9: 4,144,459 km (0.066 R)
• M10: 5,200,920 km (0.108 R)
• M11: 6,370,326 km (0.1 R)
• M12: 6,747,163 km (0.11 R)
• M13: 7,450,423 km (0.107 R)
• M14: 8,966,597 km (0.107 R)
• M15: 9,477,474 km (0.099 R)
• M16: 11,589,796 km (0.115 R)
• M17: 12,108,302 km (0.06 R)
• M18: 12,417,970 km (0.113 R)
• M19: 12,915,083 km (0.073 R)
• M20: 13,949,403 km (0.084 R)
• M21: 16,503,637 km (0.104 R)
• M22: 17,215,723 km (0.111 R)
• M23: 17,494,873 km (0.112 R)
• M24: 21,149,997 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.8

Radius: 4.3

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.95 AU - 7.43 AU

Year: 9944 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,219,844 km

• M1: 53,706 km (0.036 R)
• M2: 683,961 km (0.074 R)
• M3: 954,434 km (0.11 R)
• M4: 3,226,676 km (0.102 R)
• M5: 5,013,174 km (0.104 R)
• M6: 5,560,702 km (0.112 R)
• M7: 13,717,676 km (0.044 R)
• M8: 14,048,138 km (0.112 R)
• M9: 14,610,925 km (0.051 R)
• M10: 22,963,872 km (0.051 R)
• M11: 23,273,838 km (0.107 R)
• M12: 25,439,268 km (0.104 R)
• M13: 27,473,799 km (0.116 R)
• M14: 28,352,536 km (0.086 R)
• M15: 28,709,327 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.2

Radius: 7.9

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.65 AU - 6.87 AU

Year: 11348 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,219,844 km

• M1: 98,435 km (0.104 R)
• M2: 350,358 km (0.108 R)
• M3: 603,328 km (0.101 R)
• M4: 1,370,316 km (0.104 R)
• M5: 2,323,554 km (0.029 R)
• M6: 3,105,353 km (0.093 R)
• M7: 4,878,835 km (0.112 R)
• M8: 5,246,547 km (0.058 R)
• M9: 6,700,937 km (0.084 R)
• M10: 6,987,866 km (0.034 R)
• M11: 7,412,275 km (0.115 R)
• M12: 7,763,980 km (0.103 R)
• M13: 8,359,230 km (0.077 R)
• M14: 8,837,494 km (0.119 R)
• M15: 9,083,433 km (0.102 R)
• M16: 11,161,946 km (0.058 R)
• M17: 12,587,763 km (0.108 R)
• M18: 13,408,906 km (0.082 R)
• M19: 16,159,712 km (0.048 R)
• M20: 17,053,260 km (0.101 R)
• M21: 17,589,418 km (0.083 R)
• M22: 17,900,881 km (0.113 R)
• M23: 18,776,178 km (0.114 R)
• M24: 22,110,416 km (0.114 R)
• M25: 23,304,207 km (0.101 R)
• M26: 29,156,924 km (0.106 R)
• M27: 30,703,467 km (0.096 R)
• M28: 33,124,709 km (0.082 R)
• M29: 34,321,192 km (0.054 R)
• M30: 36,169,624 km (0.111 R)
• M31: 38,474,029 km (0.103 R)
• M32: 40,603,106 km (0.113 R)
• M33: 40,874,626 km (0.089 R)
• M34: 43,657,147 km (0.049 R)
• M35: 56,051,629 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 10,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit