🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 9.3

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,284,767 km

• M1: 115,639 km (0.111 R)
• M2: 407,804 km (0.106 R)
• M3: 712,235 km (0.094 R)
• M4: 1,461,870 km (0.055 R)
• M5: 1,785,899 km (0.114 R)
• M6: 2,267,754 km (0.117 R)
• M7: 2,648,331 km (0.078 R)
• M8: 3,657,070 km (0.11 R)
• M9: 4,117,981 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.6

Radius: 13

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,284,767 km

• M1: 161,715 km (0.083 R)
• M2: 593,006 km (0.088 R)
• M3: 1,345,034 km (0.089 R)
• M4: 2,292,587 km (0.077 R)
• M5: 2,937,803 km (0.049 R)
• M6: 4,149,546 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 10.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.98 AU - 1.02 AU

Year: 667 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,284,767 km

• M1: 131,945 km (0.083 R)
• M2: 518,207 km (0.042 R)
• M3: 1,435,691 km (0.1 R)
• M4: 1,818,811 km (0.103 R)
• M5: 2,179,791 km (0.055 R)
• M6: 2,882,751 km (0.086 R)
• M7: 3,426,838 km (0.064 R)
• M8: 3,969,879 km (0.099 R)
• M9: 4,363,321 km (0.087 R)
• M10: 4,860,285 km (0.108 R)
• M11: 5,615,904 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 10.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.38 AU - 1.66 AU

Year: 1250 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,284,767 km

• M1: 132,245 km (0.118 R)
• M2: 462,856 km (0.068 R)
• M3: 800,199 km (0.106 R)
• M4: 1,174,493 km (0.113 R)
• M5: 2,352,875 km (0.039 R)
• M6: 2,690,966 km (0.111 R)
• M7: 3,047,907 km (0.116 R)
• M8: 3,481,741 km (0.068 R)
• M9: 3,874,585 km (0.059 R)
• M10: 4,546,728 km (0.064 R)
• M11: 4,978,468 km (0.096 R)
• M12: 5,315,212 km (0.11 R)
• M13: 7,308,903 km (0.094 R)
• M14: 8,009,769 km (0.097 R)
• M15: 8,473,523 km (0.089 R)
• M16: 8,868,910 km (0.107 R)
• M17: 9,365,575 km (0.074 R)
• M18: 10,223,967 km (0.064 R)
• M19: 11,100,611 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.8

Radius: 7.7

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.12 AU - 7.84 AU

Year: 11000 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,284,767 km

• M1: 105,766 km (0.08 R)
• M2: 645,964 km (0.102 R)
• M3: 1,252,583 km (0.089 R)
• M4: 1,535,024 km (0.11 R)
• M5: 1,978,432 km (0.051 R)
• M6: 2,384,590 km (0.028 R)
• M7: 2,779,229 km (0.104 R)
• M8: 3,073,787 km (0.072 R)
• M9: 4,713,829 km (0.078 R)
• M10: 7,931,978 km (0.041 R)
• M11: 8,716,619 km (0.104 R)
• M12: 10,385,832 km (0.049 R)
• M13: 11,380,957 km (0.077 R)
• M14: 13,431,794 km (0.085 R)
• M15: 16,290,460 km (0.107 R)
• M16: 16,582,176 km (0.083 R)
• M17: 17,026,482 km (0.075 R)
• M18: 17,478,566 km (0.046 R)
• M19: 18,171,803 km (0.074 R)
• M20: 21,475,822 km (0.069 R)
• M21: 22,270,934 km (0.098 R)
• M22: 28,817,487 km (0.118 R)
• M23: 29,567,720 km (0.074 R)
• M24: 32,353,232 km (0.062 R)
• M25: 33,046,918 km (0.086 R)
• M26: 33,987,290 km (0.096 R)
• M27: 37,672,484 km (0.05 R)
• M28: 48,332,678 km (0.112 R)
• M29: 53,779,687 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.2

Radius: 5.8

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.24 AU - 12.02 AU

Year: 19928 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,284,767 km

• M1: 77,193 km (0.062 R)
• M2: 272,418 km (0.12 R)
• M3: 504,743 km (0.115 R)
• M4: 700,716 km (0.092 R)
• M5: 1,006,943 km (0.112 R)
• M6: 1,239,718 km (0.115 R)
• M7: 1,492,388 km (0.103 R)
• M8: 3,448,081 km (0.078 R)
• M9: 4,139,373 km (0.079 R)
• M10: 4,367,061 km (0.07 R)
• M11: 4,603,126 km (0.117 R)
• M12: 5,027,685 km (0.119 R)
• M13: 6,545,206 km (0.091 R)
• M14: 7,361,113 km (0.084 R)
• M15: 14,308,288 km (0.116 R)
• M16: 14,530,441 km (0.052 R)
• M17: 15,753,703 km (0.094 R)
• M18: 17,293,813 km (0.082 R)
• M19: 18,229,847 km (0.068 R)
• M20: 18,754,487 km (0.054 R)
• M21: 22,913,457 km (0.049 R)
• M22: 23,937,454 km (0.109 R)
• M23: 24,672,279 km (0.075 R)
• M24: 25,314,054 km (0.052 R)
• M25: 31,849,536 km (0.103 R)
• M26: 32,355,327 km (0.06 R)
• M27: 35,638,102 km (0.107 R)
• M28: 36,183,237 km (0.103 R)
• M29: 39,136,299 km (0.057 R)
• M30: 44,723,480 km (0.1 R)
• M31: 46,806,032 km (0.048 R)
• M32: 50,991,332 km (0.115 R)
• M33: 51,857,354 km (0.063 R)
• M34: 62,432,577 km (0.113 R)
• M35: 72,817,811 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.8

Radius: 4.5

Gravity: 29.47 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.23 AU - 13.63 AU

Year: 24097 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,284,767 km

• M1: 68,217 km (0.106 R)
• M2: 743,801 km (0.104 R)
• M3: 884,572 km (0.115 R)
• M4: 1,150,557 km (0.084 R)
• M5: 1,621,192 km (0.05 R)
• M6: 2,601,657 km (0.074 R)
• M7: 3,316,435 km (0.082 R)
• M8: 3,892,387 km (0.082 R)
• M9: 4,153,884 km (0.101 R)
• M10: 4,859,088 km (0.033 R)
• M11: 8,323,626 km (0.115 R)
• M12: 9,263,998 km (0.084 R)
• M13: 10,709,113 km (0.082 R)
• M14: 14,419,440 km (0.067 R)
• M15: 16,266,375 km (0.057 R)
• M16: 17,203,007 km (0.033 R)
• M17: 18,812,231 km (0.026 R)
• M18: 19,748,415 km (0.038 R)
• M19: 22,430,256 km (0.045 R)
• M20: 23,163,136 km (0.095 R)
• M21: 26,370,365 km (0.114 R)
• M22: 26,718,030 km (0.066 R)
• M23: 32,175,959 km (0.09 R)
• M24: 33,783,986 km (0.112 R)
• M25: 35,164,176 km (0.049 R)
• M26: 38,332,210 km (0.071 R)
• M27: 41,061,624 km (0.12 R)
• M28: 47,073,364 km (0.089 R)
• M29: 47,756,427 km (0.108 R)
• M30: 60,000,714 km (0.083 R)
• M31: 64,295,519 km (0.088 R)
• M32: 65,136,259 km (0.072 R)
• M33: 74,409,831 km (0.084 R)
• M34: 79,601,027 km (0.114 R)
• M35: 81,792,337 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 11,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit