🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 13.8

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.71 AU - 0.73 AU

Year: 422 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,411,688 km

• M1: 177,124 km (0.09 R)
• M2: 659,577 km (0.112 R)
• M3: 1,104,331 km (0.057 R)
• M4: 1,956,740 km (0.102 R)
• M5: 2,388,180 km (0.105 R)
• M6: 3,001,232 km (0.05 R)
• M7: 3,799,487 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.2

Radius: 11.1

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.89 AU - 1.48 AU

Year: 885 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,411,688 km

• M1: 139,724 km (0.069 R)
• M2: 524,041 km (0.059 R)
• M3: 872,604 km (0.073 R)
• M4: 1,280,109 km (0.055 R)
• M5: 1,706,912 km (0.064 R)
• M6: 2,427,973 km (0.059 R)
• M7: 3,246,573 km (0.113 R)
• M8: 3,778,393 km (0.093 R)
• M9: 4,177,072 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.9

Radius: 11.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.42 AU - 2 AU

Year: 1543 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,411,688 km

• M1: 148,102 km (0.064 R)
• M2: 662,270 km (0.116 R)
• M3: 1,265,448 km (0.077 R)
• M4: 1,741,469 km (0.071 R)
• M5: 2,135,510 km (0.109 R)
• M6: 3,353,685 km (0.116 R)
• M7: 4,318,442 km (0.056 R)
• M8: 4,927,305 km (0.114 R)
• M9: 5,935,894 km (0.083 R)
• M10: 6,766,312 km (0.079 R)
• M11: 7,756,201 km (0.101 R)
• M12: 8,840,037 km (0.111 R)
• M13: 9,339,096 km (0.091 R)
• M14: 9,823,793 km (0.083 R)
• M15: 10,393,462 km (0.112 R)
• M16: 12,504,736 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 12.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.96 AU - 2.98 AU

Year: 3533 Days

Day: 11.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,411,688 km

• M1: 158,424 km (0.088 R)
• M2: 647,460 km (0.114 R)
• M3: 1,258,866 km (0.086 R)
• M4: 1,995,187 km (0.08 R)
• M5: 2,793,441 km (0.084 R)
• M6: 4,198,614 km (0.08 R)
• M7: 5,069,722 km (0.12 R)
• M8: 5,819,058 km (0.109 R)
• M9: 8,280,691 km (0.108 R)
• M10: 11,286,561 km (0.097 R)
• M11: 11,744,480 km (0.073 R)
• M12: 13,514,971 km (0.04 R)
• M13: 15,305,508 km (0.105 R)
• M14: 15,970,769 km (0.1 R)
• M15: 16,495,409 km (0.101 R)
• M16: 16,923,409 km (0.106 R)
• M17: 18,139,041 km (0.083 R)
• M18: 19,058,918 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.3

Radius: 8.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.93 AU - 5.89 AU

Year: 8686 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,411,688 km

• M1: 103,821 km (0.043 R)
• M2: 428,598 km (0.079 R)
• M3: 2,520,275 km (0.08 R)
• M4: 3,176,262 km (0.091 R)
• M5: 3,941,455 km (0.072 R)
• M6: 4,800,446 km (0.104 R)
• M7: 5,464,810 km (0.114 R)
• M8: 7,991,967 km (0.033 R)
• M9: 8,852,454 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 5.3

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.21 AU - 9.71 AU

Year: 18513 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,411,688 km

• M1: 67,469 km (0.081 R)
• M2: 251,474 km (0.085 R)
• M3: 446,699 km (0.104 R)
• M4: 660,026 km (0.079 R)
• M5: 917,484 km (0.091 R)
• M6: 1,197,980 km (0.068 R)
• M7: 1,636,152 km (0.099 R)
• M8: 2,260,723 km (0.08 R)
• M9: 2,579,217 km (0.101 R)
• M10: 3,448,680 km (0.1 R)
• M11: 4,568,420 km (0.08 R)
• M12: 6,251,845 km (0.097 R)
• M13: 8,101,622 km (0.093 R)
• M14: 8,956,125 km (0.076 R)
• M15: 14,447,863 km (0.056 R)
• M16: 20,077,530 km (0.083 R)
• M17: 20,651,986 km (0.067 R)
• M18: 20,943,253 km (0.096 R)
• M19: 24,874,236 km (0.106 R)
• M20: 27,712,258 km (0.115 R)
• M21: 28,664,149 km (0.08 R)
• M22: 30,632,857 km (0.115 R)
• M23: 32,297,582 km (0.105 R)
• M24: 35,388,723 km (0.059 R)
• M25: 41,531,810 km (0.059 R)
• M26: 42,777,212 km (0.117 R)
• M27: 45,999,400 km (0.095 R)
• M28: 48,348,835 km (0.026 R)
• M29: 51,842,095 km (0.111 R)
• M30: 63,733,630 km (0.117 R)
• M31: 65,389,080 km (0.116 R)
• M32: 67,285,382 km (0.032 R)
• M33: 71,187,643 km (0.081 R)
• M34: 74,097,770 km (0.117 R)
• M35: 74,780,385 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.8

Radius: 7.1

Gravity: 18.35 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.35 AU - 10.71 AU

Year: 21926 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,411,688 km

• M1: 88,562 km (0.07 R)
• M2: 440,566 km (0.09 R)
• M3: 880,533 km (0.092 R)
• M4: 1,218,175 km (0.051 R)
• M5: 3,356,976 km (0.065 R)
• M6: 3,788,267 km (0.078 R)
• M7: 4,612,850 km (0.053 R)
• M8: 5,551,577 km (0.103 R)
• M9: 5,891,164 km (0.109 R)
• M10: 7,491,562 km (0.105 R)
• M11: 8,502,245 km (0.086 R)
• M12: 8,953,881 km (0.068 R)
• M13: 15,112,227 km (0.109 R)
• M14: 15,524,220 km (0.101 R)
• M15: 17,247,288 km (0.103 R)
• M16: 17,606,622 km (0.038 R)
• M17: 20,663,655 km (0.053 R)
• M18: 28,672,975 km (0.083 R)
• M19: 28,924,449 km (0.097 R)
• M20: 38,073,855 km (0.096 R)
• M21: 47,734,437 km (0.117 R)
• M22: 48,087,787 km (0.12 R)
• M23: 48,621,103 km (0.099 R)
• M24: 50,793,863 km (0.111 R)
• M25: 52,841,708 km (0.118 R)
• M26: 59,928,009 km (0.102 R)
• M27: 62,423,900 km (0.057 R)
• M28: 63,911,352 km (0.033 R)
• M29: 86,234,496 km (0.077 R)
• M30: 87,549,012 km (0.032 R)
• M31: 89,411,655 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 19,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit