🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 10.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.81 AU - 1.33 AU

Year: 704 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,693,622 km

• M1: 130,150 km (0.106 R)
• M2: 513,420 km (0.116 R)
• M3: 1,034,020 km (0.082 R)
• M4: 1,829,283 km (0.059 R)
• M5: 2,175,602 km (0.107 R)
• M6: 2,721,484 km (0.066 R)
• M7: 3,724,089 km (0.057 R)
• M8: 4,163,758 km (0.089 R)
• M9: 4,621,677 km (0.069 R)
• M10: 5,165,614 km (0.047 R)
• M11: 5,545,443 km (0.105 R)
• M12: 6,463,675 km (0.098 R)
• M13: 7,078,971 km (0.079 R)
• M14: 7,756,201 km (0.083 R)
• M15: 8,134,683 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 8.3

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.08 AU - 1.3 AU

Year: 825 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,693,622 km

• M1: 103,372 km (0.116 R)
• M2: 411,993 km (0.118 R)
• M3: 1,074,861 km (0.115 R)
• M4: 1,407,118 km (0.086 R)
• M5: 1,789,490 km (0.118 R)
• M6: 2,481,380 km (0.029 R)
• M7: 3,004,075 km (0.092 R)
• M8: 3,312,695 km (0.109 R)
• M9: 3,717,058 km (0.105 R)
• M10: 4,137,877 km (0.063 R)
• M11: 5,814,570 km (0.096 R)
• M12: 6,253,191 km (0.118 R)
• M13: 7,196,705 km (0.114 R)
• M14: 7,727,328 km (0.089 R)
• M15: 8,731,729 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 14.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.3 AU - 1.48 AU

Year: 1042 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,693,622 km

• M1: 175,777 km (0.116 R)
• M2: 673,938 km (0.102 R)
• M3: 1,172,249 km (0.067 R)
• M4: 1,703,471 km (0.111 R)
• M5: 2,230,654 km (0.061 R)
• M6: 2,803,165 km (0.093 R)
• M7: 5,929,461 km (0.09 R)
• M8: 7,111,883 km (0.093 R)
• M9: 7,606,603 km (0.097 R)
• M10: 9,201,765 km (0.117 R)
• M11: 10,032,632 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 9.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.69 AU - 2.47 AU

Year: 1907 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,693,622 km

• M1: 121,025 km (0.065 R)
• M2: 643,570 km (0.065 R)
• M3: 1,596,209 km (0.096 R)
• M4: 2,437,099 km (0.115 R)
• M5: 3,358,622 km (0.104 R)
• M6: 5,643,280 km (0.109 R)
• M7: 6,356,713 km (0.069 R)
• M8: 6,778,429 km (0.109 R)
• M9: 7,584,612 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.98 AU - 3.48 AU

Year: 3691 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,693,622 km

• M1: 158,424 km (0.11 R)
• M2: 593,604 km (0.028 R)
• M3: 1,753,586 km (0.052 R)
• M4: 2,354,371 km (0.084 R)
• M5: 3,123,604 km (0.102 R)
• M6: 3,718,704 km (0.115 R)
• M7: 4,453,379 km (0.116 R)
• M8: 4,878,835 km (0.112 R)
• M9: 5,380,736 km (0.088 R)
• M10: 6,076,965 km (0.072 R)
• M11: 6,517,231 km (0.037 R)
• M12: 7,217,798 km (0.106 R)
• M13: 7,775,649 km (0.12 R)
• M14: 8,943,260 km (0.047 R)
• M15: 9,369,315 km (0.098 R)
• M16: 11,171,071 km (0.112 R)
• M17: 13,376,443 km (0.107 R)
• M18: 14,077,010 km (0.096 R)
• M19: 15,551,297 km (0.103 R)
• M20: 16,273,556 km (0.119 R)
• M21: 16,910,244 km (0.107 R)
• M22: 19,624,997 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.8

Radius: 14.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.11 AU - 3.37 AU

Year: 3708 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,693,622 km

• M1: 181,612 km (0.109 R)
• M2: 668,553 km (0.069 R)
• M3: 2,138,651 km (0.108 R)
• M4: 5,295,765 km (0.063 R)
• M5: 9,931,055 km (0.114 R)
• M6: 12,290,213 km (0.104 R)
• M7: 12,760,250 km (0.118 R)
• M8: 13,286,684 km (0.067 R)
• M9: 13,919,334 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 13.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.92 AU - 5.82 AU

Year: 6833 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,693,622 km

• M1: 166,652 km (0.06 R)
• M2: 643,420 km (0.062 R)
• M3: 1,664,576 km (0.072 R)
• M4: 2,191,758 km (0.049 R)
• M5: 2,673,763 km (0.091 R)
• M6: 3,118,816 km (0.085 R)
• M7: 3,613,686 km (0.119 R)
• M8: 4,427,648 km (0.087 R)
• M9: 7,151,676 km (0.098 R)
• M10: 8,309,264 km (0.095 R)
• M11: 8,911,096 km (0.1 R)
• M12: 9,358,693 km (0.06 R)
• M13: 10,792,589 km (0.094 R)
• M14: 13,617,894 km (0.095 R)
• M15: 14,273,432 km (0.078 R)
• M16: 15,201,238 km (0.109 R)
• M17: 17,040,245 km (0.108 R)
• M18: 18,084,438 km (0.091 R)
• M19: 19,393,120 km (0.107 R)
• M20: 20,842,125 km (0.104 R)
• M21: 24,040,976 km (0.096 R)
• M22: 25,802,192 km (0.102 R)
• M23: 27,178,492 km (0.111 R)
• M24: 30,680,728 km (0.072 R)
• M25: 33,390,095 km (0.059 R)
• M26: 35,579,909 km (0.085 R)
• M27: 36,710,121 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.6

Radius: 7.1

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.94 AU - 12.28 AU

Year: 20439 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,693,622 km

• M1: 119,230 km (0.073 R)
• M2: 529,726 km (0.075 R)
• M3: 846,724 km (0.085 R)
• M4: 1,082,341 km (0.096 R)
• M5: 2,529,401 km (0.111 R)
• M6: 2,871,830 km (0.077 R)
• M7: 3,107,896 km (0.085 R)
• M8: 3,357,126 km (0.05 R)
• M9: 3,833,445 km (0.079 R)
• M10: 5,182,968 km (0.095 R)
• M11: 6,550,891 km (0.066 R)
• M12: 6,777,382 km (0.118 R)
• M13: 8,459,161 km (0.049 R)
• M14: 12,278,245 km (0.09 R)
• M15: 13,117,040 km (0.074 R)
• M16: 14,676,000 km (0.028 R)
• M17: 17,283,042 km (0.07 R)
• M18: 18,968,860 km (0.115 R)
• M19: 22,152,303 km (0.102 R)
• M20: 26,811,978 km (0.112 R)
• M21: 30,929,061 km (0.109 R)
• M22: 35,587,837 km (0.076 R)
• M23: 39,785,703 km (0.081 R)
• M24: 40,846,203 km (0.072 R)
• M25: 45,935,373 km (0.114 R)
• M26: 49,843,767 km (0.099 R)
• M27: 52,871,029 km (0.114 R)
• M28: 58,897,729 km (0.07 R)
• M29: 62,075,936 km (0.092 R)
• M30: 69,641,250 km (0.104 R)
• M31: 71,846,771 km (0.117 R)
• M32: 78,505,522 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit