🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 11.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.7 AU - 1.06 AU

Year: 560 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,800,681 km

• M1: 145,110 km (0.108 R)
• M2: 844,779 km (0.087 R)
• M3: 1,308,981 km (0.104 R)
• M4: 1,682,078 km (0.116 R)
• M5: 2,347,639 km (0.073 R)
• M6: 3,152,775 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 11.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.01 AU - 2.73 AU

Year: 2475 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,800,681 km

• M1: 139,575 km (0.115 R)
• M2: 513,420 km (0.101 R)
• M3: 866,770 km (0.091 R)
• M4: 1,863,541 km (0.057 R)
• M5: 2,468,963 km (0.025 R)
• M6: 2,899,057 km (0.102 R)
• M7: 3,638,519 km (0.036 R)
• M8: 4,053,354 km (0.104 R)
• M9: 4,815,256 km (0.065 R)
• M10: 5,366,225 km (0.091 R)
• M11: 5,800,209 km (0.073 R)
• M12: 7,214,208 km (0.11 R)
• M13: 7,775,798 km (0.078 R)
• M14: 8,366,411 km (0.109 R)
• M15: 9,164,216 km (0.086 R)
• M16: 10,126,429 km (0.077 R)
• M17: 13,511,081 km (0.089 R)
• M18: 14,560,062 km (0.114 R)
• M19: 15,662,448 km (0.115 R)
• M20: 16,392,336 km (0.113 R)
• M21: 17,474,378 km (0.081 R)
• M22: 18,603,393 km (0.051 R)
• M23: 20,203,791 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 8.1

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.29 AU - 5.35 AU

Year: 6090 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,800,681 km

• M1: 112,348 km (0.081 R)
• M2: 440,267 km (0.088 R)
• M3: 758,312 km (0.09 R)
• M4: 1,035,965 km (0.08 R)
• M5: 1,326,784 km (0.114 R)
• M6: 1,672,504 km (0.068 R)
• M7: 1,945,221 km (0.08 R)
• M8: 2,617,065 km (0.1 R)
• M9: 3,856,932 km (0.079 R)
• M10: 4,288,073 km (0.085 R)
• M11: 4,567,223 km (0.031 R)
• M12: 5,218,572 km (0.078 R)
• M13: 5,961,326 km (0.103 R)
• M14: 7,012,699 km (0.119 R)
• M15: 7,401,055 km (0.056 R)
• M16: 8,733,524 km (0.12 R)
• M17: 9,183,514 km (0.088 R)
• M18: 9,953,046 km (0.108 R)
• M19: 11,330,244 km (0.099 R)
• M20: 12,265,529 km (0.098 R)
• M21: 15,146,036 km (0.079 R)
• M22: 17,024,537 km (0.08 R)
• M23: 22,202,269 km (0.098 R)
• M24: 26,351,366 km (0.084 R)
• M25: 27,550,841 km (0.082 R)
• M26: 28,075,930 km (0.098 R)
• M27: 29,599,883 km (0.116 R)
• M28: 29,874,396 km (0.097 R)
• M29: 30,150,703 km (0.117 R)
• M30: 30,989,648 km (0.081 R)
• M31: 31,748,408 km (0.083 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.4

Radius: 8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.5 AU - 7.48 AU

Year: 9943 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,800,681 km

• M1: 99,483 km (0.097 R)
• M2: 493,523 km (0.081 R)
• M3: 977,921 km (0.119 R)
• M4: 1,683,874 km (0.112 R)
• M5: 1,998,927 km (0.087 R)
• M6: 2,581,910 km (0.093 R)
• M7: 3,167,585 km (0.087 R)
• M8: 3,984,090 km (0.053 R)
• M9: 5,193,140 km (0.117 R)
• M10: 5,615,006 km (0.109 R)
• M11: 6,091,924 km (0.114 R)
• M12: 11,524,870 km (0.12 R)
• M13: 15,477,695 km (0.07 R)
• M14: 17,191,937 km (0.09 R)
• M15: 18,333,967 km (0.118 R)
• M16: 29,070,756 km (0.11 R)
• M17: 29,920,023 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.5

Radius: 7.8

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.31 AU - 7.99 AU

Year: 11631 Days

Day: 16 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,800,681 km

• M1: 143,315 km (0.071 R)
• M2: 399,426 km (0.103 R)
• M3: 679,623 km (0.063 R)
• M4: 1,254,079 km (0.083 R)
• M5: 1,817,016 km (0.067 R)
• M6: 2,118,904 km (0.1 R)
• M7: 2,495,741 km (0.119 R)
• M8: 2,779,080 km (0.076 R)
• M9: 3,901,363 km (0.041 R)
• M10: 4,284,483 km (0.029 R)
• M11: 7,005,219 km (0.033 R)
• M12: 8,169,390 km (0.1 R)
• M13: 8,698,817 km (0.069 R)
• M14: 9,826,037 km (0.069 R)
• M15: 10,369,526 km (0.109 R)
• M16: 14,819,763 km (0.036 R)
• M17: 38,703,812 km (0.089 R)
• M18: 41,581,027 km (0.093 R)
• M19: 46,687,999 km (0.077 R)
• M20: 53,018,832 km (0.104 R)
• M21: 55,193,386 km (0.092 R)
• M22: 55,703,515 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.2

Radius: 4

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.39 AU - 8.39 AU

Year: 16483 Days

Day: 25 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,800,681 km

• M1: 99,782 km (0.084 R)
• M2: 340,634 km (0.072 R)
• M3: 523,443 km (0.112 R)
• M4: 770,130 km (0.112 R)
• M5: 1,507,348 km (0.074 R)
• M6: 1,957,039 km (0.098 R)
• M7: 3,586,459 km (0.087 R)
• M8: 3,917,071 km (0.095 R)
• M9: 4,076,392 km (0.076 R)
• M10: 6,020,267 km (0.102 R)
• M11: 6,560,465 km (0.119 R)
• M12: 7,290,353 km (0.098 R)
• M13: 7,736,903 km (0.074 R)
• M14: 8,506,584 km (0.11 R)
• M15: 9,047,081 km (0.096 R)
• M16: 11,225,824 km (0.109 R)
• M17: 12,041,881 km (0.101 R)
• M18: 15,177,302 km (0.082 R)
• M19: 16,038,388 km (0.117 R)
• M20: 16,377,975 km (0.113 R)
• M21: 17,071,810 km (0.042 R)
• M22: 20,997,557 km (0.087 R)
• M23: 23,865,797 km (0.094 R)
• M24: 27,080,057 km (0.079 R)
• M25: 31,409,419 km (0.1 R)
• M26: 32,478,446 km (0.101 R)
• M27: 33,240,946 km (0.092 R)
• M28: 36,761,882 km (0.078 R)
• M29: 41,406,895 km (0.109 R)
• M30: 44,533,491 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.3

Radius: 4.7

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.41 AU - 9.33 AU

Year: 17917 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,800,681 km

• M1: 58,493 km (0.087 R)
• M2: 226,342 km (0.112 R)
• M3: 405,111 km (0.1 R)
• M4: 566,677 km (0.061 R)
• M5: 772,224 km (0.068 R)
• M6: 1,048,382 km (0.09 R)
• M7: 1,497,774 km (0.082 R)
• M8: 2,030,791 km (0.092 R)
• M9: 2,660,598 km (0.12 R)
• M10: 4,963,657 km (0.037 R)
• M11: 8,066,467 km (0.1 R)
• M12: 8,289,218 km (0.111 R)
• M13: 8,840,935 km (0.116 R)
• M14: 9,564,390 km (0.042 R)
• M15: 11,970,822 km (0.117 R)
• M16: 16,399,218 km (0.091 R)
• M17: 24,212,715 km (0.071 R)
• M18: 24,397,468 km (0.081 R)
• M19: 26,298,109 km (0.072 R)
• M20: 39,940,088 km (0.07 R)
• M21: 42,169,695 km (0.047 R)
• M22: 44,342,754 km (0.079 R)
• M23: 47,018,910 km (0.076 R)
• M24: 49,206,180 km (0.067 R)
• M25: 49,354,282 km (0.092 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 17,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit