🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 14.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.86 AU - 1 AU

Year: 630 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,555,169 km

• M1: 176,675 km (0.034 R)
• M2: 628,461 km (0.083 R)
• M3: 1,159,533 km (0.052 R)
• M4: 2,058,018 km (0.105 R)
• M5: 2,764,718 km (0.097 R)
• M6: 3,863,215 km (0.109 R)
• M7: 4,427,199 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 14.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.1 AU - 1.5 AU

Year: 1042 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,555,169 km

• M1: 177,872 km (0.082 R)
• M2: 647,759 km (0.109 R)
• M3: 1,386,623 km (0.093 R)
• M4: 1,945,520 km (0.114 R)
• M5: 2,484,372 km (0.097 R)
• M6: 3,054,340 km (0.091 R)
• M7: 3,816,242 km (0.104 R)
• M8: 4,285,979 km (0.068 R)
• M9: 4,763,645 km (0.111 R)
• M10: 5,227,249 km (0.063 R)
• M11: 5,791,532 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.8

Radius: 11.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.86 AU

Year: 1517 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,555,169 km

• M1: 143,764 km (0.085 R)
• M2: 1,077,254 km (0.062 R)
• M3: 1,603,091 km (0.057 R)
• M4: 3,060,623 km (0.118 R)
• M5: 3,659,314 km (0.096 R)
• M6: 4,722,655 km (0.099 R)
• M7: 5,658,689 km (0.094 R)
• M8: 6,147,126 km (0.073 R)
• M9: 6,714,252 km (0.056 R)
• M10: 7,924,947 km (0.086 R)
• M11: 8,779,151 km (0.088 R)
• M12: 9,989,847 km (0.079 R)
• M13: 10,463,025 km (0.097 R)
• M14: 11,345,054 km (0.051 R)
• M15: 13,582,140 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 12.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.05 AU - 4.25 AU

Year: 4902 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,555,169 km

• M1: 156,779 km (0.074 R)
• M2: 562,488 km (0.082 R)
• M3: 1,103,284 km (0.119 R)
• M4: 1,621,192 km (0.074 R)
• M5: 2,073,726 km (0.096 R)
• M6: 2,509,803 km (0.119 R)
• M7: 2,932,417 km (0.11 R)
• M8: 3,592,144 km (0.119 R)
• M9: 4,472,378 km (0.082 R)
• M10: 5,903,880 km (0.07 R)
• M11: 6,497,036 km (0.033 R)
• M12: 7,986,731 km (0.058 R)
• M13: 8,402,015 km (0.064 R)
• M14: 9,566,933 km (0.112 R)
• M15: 11,535,791 km (0.11 R)
• M16: 12,067,611 km (0.113 R)
• M17: 15,261,975 km (0.076 R)
• M18: 16,868,506 km (0.103 R)
• M19: 18,915,454 km (0.037 R)
• M20: 20,767,027 km (0.088 R)
• M21: 21,627,813 km (0.095 R)
• M22: 22,214,685 km (0.078 R)
• M23: 23,114,816 km (0.106 R)
• M24: 23,573,932 km (0.102 R)
• M25: 24,431,576 km (0.107 R)
• M26: 25,148,599 km (0.062 R)
• M27: 29,123,414 km (0.093 R)
• M28: 30,201,716 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 13.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.23 AU - 4.55 AU

Year: 6466 Days

Day: 11.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,555,169 km

• M1: 171,738 km (0.118 R)
• M2: 831,465 km (0.065 R)
• M3: 1,284,747 km (0.069 R)
• M4: 2,474,947 km (0.106 R)
• M5: 3,676,816 km (0.107 R)
• M6: 5,835,963 km (0.099 R)
• M7: 6,694,505 km (0.086 R)
• M8: 9,307,830 km (0.096 R)
• M9: 12,257,002 km (0.065 R)
• M10: 12,730,928 km (0.093 R)
• M11: 14,174,847 km (0.103 R)
• M12: 20,720,053 km (0.113 R)
• M13: 21,804,937 km (0.11 R)
• M14: 24,014,198 km (0.073 R)
• M15: 25,439,866 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.8

Radius: 11

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.2 AU - 5.56 AU

Year: 7578 Days

Day: 9.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,555,169 km

• M1: 139,425 km (0.113 R)
• M2: 517,459 km (0.053 R)
• M3: 910,453 km (0.094 R)
• M4: 1,587,233 km (0.087 R)
• M5: 2,102,897 km (0.103 R)
• M6: 2,650,874 km (0.099 R)
• M7: 4,486,590 km (0.118 R)
• M8: 5,092,012 km (0.057 R)
• M9: 6,537,577 km (0.118 R)
• M10: 7,012,849 km (0.088 R)
• M11: 7,749,020 km (0.074 R)
• M12: 8,535,905 km (0.053 R)
• M13: 10,562,358 km (0.034 R)
• M14: 11,793,698 km (0.064 R)
• M15: 13,816,710 km (0.042 R)
• M16: 15,930,677 km (0.11 R)
• M17: 16,325,017 km (0.119 R)
• M18: 16,928,645 km (0.082 R)
• M19: 23,049,890 km (0.083 R)
• M20: 23,724,726 km (0.073 R)
• M21: 26,281,354 km (0.055 R)
• M22: 28,339,521 km (0.114 R)
• M23: 29,016,302 km (0.09 R)
• M24: 32,039,825 km (0.108 R)
• M25: 32,986,330 km (0.092 R)
• M26: 37,419,813 km (0.071 R)
• M27: 40,872,083 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.4

Radius: 3.3

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.54 AU - 7.14 AU

Year: 11221 Days

Day: 16.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,555,169 km

• M1: 45,627 km (0.074 R)
• M2: 166,652 km (0.097 R)
• M3: 2,447,421 km (0.089 R)
• M4: 6,349,382 km (0.065 R)
• M5: 6,932,515 km (0.112 R)
• M6: 8,939,370 km (0.119 R)
• M7: 9,254,573 km (0.113 R)
• M8: 10,539,469 km (0.099 R)
• M9: 11,670,728 km (0.087 R)
• M10: 11,777,541 km (0.069 R)
• M11: 20,198,555 km (0.036 R)
• M12: 22,015,571 km (0.099 R)
• M13: 22,342,442 km (0.118 R)
• M14: 25,970,938 km (0.092 R)
• M15: 27,168,918 km (0.104 R)
• M16: 27,356,514 km (0.071 R)
• M17: 31,085,390 km (0.08 R)
• M18: 31,911,320 km (0.112 R)
• M19: 36,488,865 km (0.052 R)
• M20: 40,256,488 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.2

Radius: 6.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.33 AU - 7.53 AU

Year: 14236 Days

Day: 20 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,555,169 km

• M1: 79,885 km (0.052 R)
• M2: 295,456 km (0.115 R)
• M3: 624,272 km (0.1 R)
• M4: 1,506,600 km (0.106 R)
• M5: 1,903,483 km (0.08 R)
• M6: 2,959,195 km (0.11 R)
• M7: 3,163,995 km (0.115 R)
• M8: 3,814,895 km (0.085 R)
• M9: 4,218,211 km (0.085 R)
• M10: 5,378,492 km (0.095 R)
• M11: 5,770,289 km (0.054 R)
• M12: 6,181,085 km (0.113 R)
• M13: 6,930,271 km (0.061 R)
• M14: 7,259,685 km (0.108 R)
• M15: 7,496,349 km (0.108 R)
• M16: 8,645,111 km (0.096 R)
• M17: 8,949,693 km (0.093 R)
• M18: 9,824,541 km (0.078 R)
• M19: 11,835,436 km (0.087 R)
• M20: 16,302,278 km (0.063 R)
• M21: 17,785,392 km (0.067 R)
• M22: 20,208,728 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.1

Radius: 3.4

Gravity: 83.57 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.94 AU - 11.06 AU

Year: 22228 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,555,169 km

• M1: 49,068 km (0.084 R)
• M2: 181,462 km (0.082 R)
• M3: 410,197 km (0.041 R)
• M4: 2,344,199 km (0.084 R)
• M5: 2,513,095 km (0.09 R)
• M6: 2,742,279 km (0.111 R)
• M7: 3,183,742 km (0.118 R)
• M8: 4,101,974 km (0.094 R)
• M9: 4,715,325 km (0.11 R)
• M10: 4,945,855 km (0.118 R)
• M11: 5,512,532 km (0.049 R)
• M12: 6,395,758 km (0.047 R)
• M13: 7,784,624 km (0.107 R)
• M14: 8,719,461 km (0.077 R)
• M15: 9,066,529 km (0.082 R)
• M16: 9,726,554 km (0.07 R)
• M17: 10,677,398 km (0.061 R)
• M18: 10,940,990 km (0.084 R)
• M19: 11,412,822 km (0.116 R)
• M20: 11,688,530 km (0.039 R)
• M21: 14,693,802 km (0.072 R)
• M22: 16,723,696 km (0.076 R)
• M23: 21,958,125 km (0.117 R)
• M24: 22,924,826 km (0.076 R)
• M25: 26,591,770 km (0.082 R)
• M26: 27,937,402 km (0.052 R)
• M27: 29,585,223 km (0.039 R)
• M28: 33,492,570 km (0.092 R)
• M29: 33,915,483 km (0.101 R)
• M30: 41,012,406 km (0.114 R)
• M31: 47,780,962 km (0.079 R)
• M32: 48,316,671 km (0.048 R)
• M33: 49,582,120 km (0.079 R)
• M34: 50,869,709 km (0.096 R)
• M35: 51,241,609 km (0.105 R)
• M36: 59,889,114 km (0.099 R)
• M37: 61,559,225 km (0.088 R)
• M38: 62,831,854 km (0.117 R)
• M39: 71,302,235 km (0.081 R)
• M40: 76,537,562 km (0.091 R)
• M41: 81,514,085 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit