🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.2

Radius: 9.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,251,116 km

• M1: 115,789 km (0.104 R)
• M2: 469,139 km (0.103 R)
• M3: 806,183 km (0.079 R)
• M4: 1,380,639 km (0.075 R)
• M5: 1,824,795 km (0.095 R)
• M6: 2,395,511 km (0.039 R)
• M7: 3,021,727 km (0.083 R)
• M8: 3,326,309 km (0.082 R)
• M9: 3,997,853 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.7

Radius: 9.9

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 10.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,251,116 km

• M1: 129,253 km (0.079 R)
• M2: 851,960 km (0.042 R)
• M3: 3,148,586 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 11.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.91 AU - 4.11 AU

Year: 5543 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,251,116 km

• M1: 143,016 km (0.078 R)
• M2: 518,506 km (0.102 R)
• M3: 1,137,692 km (0.103 R)
• M4: 1,864,289 km (0.1 R)
• M5: 2,438,595 km (0.081 R)
• M6: 3,334,387 km (0.066 R)
• M7: 5,966,412 km (0.073 R)
• M8: 8,170,587 km (0.12 R)
• M9: 9,280,603 km (0.088 R)
• M10: 10,657,203 km (0.118 R)
• M11: 14,014,628 km (0.085 R)
• M12: 14,953,055 km (0.089 R)
• M13: 15,601,562 km (0.097 R)
• M14: 18,080,548 km (0.078 R)
• M15: 20,023,226 km (0.089 R)
• M16: 20,612,492 km (0.041 R)
• M17: 21,756,766 km (0.114 R)
• M18: 23,371,975 km (0.108 R)
• M19: 23,733,403 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.4

Radius: 5.4

Gravity: 32.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.56 AU - 7.8 AU

Year: 11917 Days

Day: 17.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,251,116 km

• M1: 67,319 km (0.089 R)
• M2: 253,120 km (0.076 R)
• M3: 517,010 km (0.04 R)
• M4: 794,065 km (0.041 R)
• M5: 989,590 km (0.091 R)
• M6: 1,179,130 km (0.113 R)
• M7: 1,664,276 km (0.113 R)
• M8: 2,651,024 km (0.102 R)
• M9: 2,854,926 km (0.079 R)
• M10: 5,921,084 km (0.115 R)
• M11: 8,962,558 km (0.116 R)
• M12: 11,545,216 km (0.072 R)
• M13: 17,089,462 km (0.086 R)
• M14: 17,797,509 km (0.066 R)
• M15: 20,473,815 km (0.082 R)
• M16: 20,737,706 km (0.098 R)
• M17: 21,093,150 km (0.081 R)
• M18: 22,276,021 km (0.029 R)
• M19: 25,375,389 km (0.099 R)
• M20: 27,558,321 km (0.055 R)
• M21: 30,089,368 km (0.071 R)
• M22: 31,120,546 km (0.102 R)
• M23: 31,938,697 km (0.108 R)
• M24: 32,293,692 km (0.113 R)
• M25: 33,132,338 km (0.099 R)
• M26: 33,496,160 km (0.053 R)
• M27: 38,604,479 km (0.076 R)
• M28: 41,483,340 km (0.046 R)
• M29: 46,746,043 km (0.068 R)
• M30: 50,012,363 km (0.106 R)
• M31: 51,134,048 km (0.071 R)
• M32: 51,457,628 km (0.051 R)
• M33: 54,095,338 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.5

Radius: 3.9

Gravity: 46.38 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.79 AU - 8.27 AU

Year: 14263 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,251,116 km

• M1: 49,517 km (0.055 R)
• M2: 263,741 km (0.109 R)
• M3: 405,859 km (0.059 R)
• M4: 813,812 km (0.07 R)
• M5: 994,676 km (0.089 R)
• M6: 1,452,296 km (0.087 R)
• M7: 1,945,820 km (0.101 R)
• M8: 2,230,953 km (0.115 R)
• M9: 2,352,576 km (0.105 R)
• M10: 2,500,080 km (0.037 R)
• M11: 4,180,363 km (0.107 R)
• M12: 4,556,751 km (0.077 R)
• M13: 6,170,763 km (0.09 R)
• M14: 8,130,495 km (0.104 R)
• M15: 8,616,239 km (0.1 R)
• M16: 12,507,728 km (0.1 R)
• M17: 13,619,989 km (0.087 R)
• M18: 15,519,283 km (0.104 R)
• M19: 16,189,631 km (0.082 R)
• M20: 16,724,294 km (0.091 R)
• M21: 17,191,787 km (0.107 R)
• M22: 17,588,072 km (0.081 R)
• M23: 17,990,341 km (0.118 R)
• M24: 18,316,464 km (0.108 R)
• M25: 18,481,022 km (0.09 R)
• M26: 24,086,304 km (0.079 R)
• M27: 24,782,533 km (0.086 R)
• M28: 26,110,962 km (0.065 R)
• M29: 27,271,393 km (0.119 R)
• M30: 28,686,738 km (0.087 R)
• M31: 29,356,189 km (0.081 R)
• M32: 30,379,737 km (0.03 R)
• M33: 31,544,805 km (0.06 R)
• M34: 34,964,463 km (0.111 R)
• M35: 38,893,950 km (0.09 R)
• M36: 39,576,266 km (0.074 R)
• M37: 43,107,823 km (0.074 R)
• M38: 44,132,868 km (0.118 R)
• M39: 44,428,772 km (0.055 R)
• M40: 51,114,301 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.6

Radius: 3.2

Gravity: 42.83 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.42 AU - 9.64 AU

Year: 20307 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,251,116 km

• M1: 45,478 km (0.107 R)
• M2: 185,202 km (0.073 R)
• M3: 305,928 km (0.053 R)
• M4: 432,338 km (0.086 R)
• M5: 688,749 km (0.072 R)
• M6: 943,663 km (0.112 R)
• M7: 1,216,979 km (0.11 R)
• M8: 1,357,601 km (0.095 R)
• M9: 1,722,320 km (0.1 R)
• M10: 2,376,213 km (0.078 R)
• M11: 3,128,989 km (0.105 R)
• M12: 3,559,382 km (0.116 R)
• M13: 4,536,705 km (0.111 R)
• M14: 4,806,430 km (0.1 R)
• M15: 5,452,394 km (0.034 R)
• M16: 5,993,190 km (0.115 R)
• M17: 7,500,388 km (0.059 R)
• M18: 7,781,932 km (0.077 R)
• M19: 10,581,955 km (0.112 R)
• M20: 12,627,257 km (0.105 R)
• M21: 13,846,629 km (0.097 R)
• M22: 14,269,991 km (0.051 R)
• M23: 16,282,382 km (0.08 R)
• M24: 17,889,512 km (0.075 R)
• M25: 18,731,299 km (0.113 R)
• M26: 19,687,379 km (0.073 R)
• M27: 23,141,893 km (0.062 R)
• M28: 24,140,309 km (0.1 R)
• M29: 28,876,129 km (0.027 R)
• M30: 34,194,932 km (0.096 R)
• M31: 35,619,552 km (0.098 R)
• M32: 36,413,169 km (0.101 R)
• M33: 36,814,390 km (0.117 R)
• M34: 38,310,519 km (0.092 R)
• M35: 41,278,540 km (0.119 R)
• M36: 44,701,041 km (0.111 R)
• M37: 47,032,075 km (0.102 R)
• M38: 55,916,094 km (0.108 R)
• M39: 56,271,688 km (0.094 R)
• M40: 56,450,009 km (0.075 R)
• M41: 61,408,430 km (0.038 R)
• M42: 64,870,424 km (0.112 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: 235 - 17,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit