🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 14.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.54 AU - 0.9 AU

Year: 414 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 74.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,704,682 km

• M1: 180,265 km (0.119 R)
• M2: 712,834 km (0.081 R)
• M3: 1,177,186 km (0.118 R)
• M4: 2,051,436 km (0.103 R)
• M5: 2,658,504 km (0.095 R)
• M6: 3,185,687 km (0.08 R)
• M7: 3,993,964 km (0.079 R)
• M8: 4,776,062 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 14.7

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.68 AU - 0.9 AU

Year: 476 Days

Day: 13.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,704,682 km

• M1: 182,809 km (0.088 R)
• M2: 651,499 km (0.076 R)
• M3: 1,507,947 km (0.114 R)
• M4: 2,095,567 km (0.1 R)
• M5: 2,655,811 km (0.095 R)
• M6: 3,525,872 km (0.115 R)
• M7: 4,385,162 km (0.083 R)
• M8: 4,984,751 km (0.098 R)
• M9: 5,517,169 km (0.1 R)
• M10: 6,236,286 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 13

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.69 AU - 0.97 AU

Year: 513 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,704,682 km

• M1: 162,762 km (0.104 R)
• M2: 700,118 km (0.1 R)
• M3: 1,295,218 km (0.112 R)
• M4: 2,972,360 km (0.091 R)
• M5: 3,453,916 km (0.116 R)
• M6: 4,230,777 km (0.069 R)
• M7: 4,843,231 km (0.086 R)
• M8: 5,409,758 km (0.115 R)
• M9: 6,208,461 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 12.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.92 AU - 1.02 AU

Year: 648 Days

Day: 14.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,704,682 km

• M1: 151,692 km (0.056 R)
• M2: 543,339 km (0.096 R)
• M3: 1,003,203 km (0.11 R)
• M4: 1,428,660 km (0.118 R)
• M5: 1,833,172 km (0.117 R)
• M6: 2,364,095 km (0.028 R)
• M7: 2,847,895 km (0.081 R)
• M8: 3,259,887 km (0.096 R)
• M9: 3,974,666 km (0.035 R)
• M10: 4,354,794 km (0.092 R)
• M11: 4,807,477 km (0.054 R)
• M12: 5,205,856 km (0.051 R)
• M13: 5,900,589 km (0.117 R)
• M14: 6,338,761 km (0.042 R)
• M15: 7,110,536 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 9.2

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.44 AU - 3.44 AU

Year: 3419 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,704,682 km

• M1: 114,442 km (0.091 R)
• M2: 422,464 km (0.107 R)
• M3: 1,004,400 km (0.115 R)
• M4: 1,551,779 km (0.059 R)
• M5: 2,361,702 km (0.067 R)
• M6: 2,844,005 km (0.079 R)
• M7: 4,550,767 km (0.11 R)
• M8: 7,041,572 km (0.058 R)
• M9: 10,283,208 km (0.108 R)
• M10: 11,216,100 km (0.119 R)
• M11: 12,158,268 km (0.032 R)
• M12: 12,530,617 km (0.077 R)
• M13: 14,353,467 km (0.079 R)
• M14: 15,033,838 km (0.043 R)
• M15: 17,088,415 km (0.049 R)
• M16: 17,438,325 km (0.091 R)
• M17: 22,157,389 km (0.1 R)
• M18: 22,573,720 km (0.114 R)
• M19: 23,637,511 km (0.11 R)
• M20: 24,072,242 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.01 AU - 5.19 AU

Year: 6692 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 81,704,682 km

• M1: 112,498 km (0.12 R)
• M2: 429,047 km (0.055 R)
• M3: 774,917 km (0.112 R)
• M4: 1,467,406 km (0.115 R)
• M5: 1,871,769 km (0.104 R)
• M6: 2,264,463 km (0.095 R)
• M7: 3,128,241 km (0.104 R)
• M8: 3,549,060 km (0.079 R)
• M9: 4,415,082 km (0.048 R)
• M10: 6,023,708 km (0.113 R)
• M11: 6,415,953 km (0.073 R)
• M12: 7,313,840 km (0.119 R)
• M13: 7,990,621 km (0.038 R)
• M14: 8,533,661 km (0.101 R)
• M15: 9,731,641 km (0.075 R)
• M16: 10,233,093 km (0.11 R)
• M17: 11,287,758 km (0.104 R)
• M18: 12,147,048 km (0.103 R)
• M19: 13,188,548 km (0.074 R)
• M20: 13,516,916 km (0.12 R)
• M21: 13,802,797 km (0.116 R)
• M22: 17,387,611 km (0.088 R)
• M23: 17,782,848 km (0.109 R)
• M24: 18,945,074 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 8.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.08 AU - 5.78 AU

Year: 8582 Days

Day: 7.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,704,682 km

• M1: 109,506 km (0.107 R)
• M2: 416,181 km (0.099 R)
• M3: 701,464 km (0.1 R)
• M4: 1,094,757 km (0.106 R)
• M5: 2,107,535 km (0.055 R)
• M6: 2,581,311 km (0.12 R)
• M7: 3,314,640 km (0.114 R)
• M8: 4,005,932 km (0.091 R)
• M9: 4,386,060 km (0.073 R)
• M10: 5,893,857 km (0.036 R)
• M11: 7,416,913 km (0.094 R)
• M12: 13,763,752 km (0.098 R)
• M13: 15,906,742 km (0.073 R)
• M14: 17,188,646 km (0.097 R)
• M15: 18,956,444 km (0.118 R)
• M16: 20,692,976 km (0.116 R)
• M17: 20,992,321 km (0.086 R)
• M18: 24,313,095 km (0.099 R)
• M19: 28,334,585 km (0.068 R)
• M20: 28,982,942 km (0.076 R)
• M21: 30,213,534 km (0.098 R)
• M22: 31,775,336 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.1

Radius: 3.1

Gravity: 60.16 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.35 AU - 6.51 AU

Year: 11059 Days

Day: 24.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,704,682 km

• M1: 39,045 km (0.076 R)
• M2: 174,282 km (0.073 R)
• M3: 284,834 km (0.091 R)
• M4: 560,992 km (0.089 R)
• M5: 707,598 km (0.071 R)
• M6: 939,325 km (0.12 R)
• M7: 2,652,819 km (0.115 R)
• M8: 2,800,622 km (0.118 R)
• M9: 3,113,132 km (0.063 R)
• M10: 3,398,864 km (0.044 R)
• M11: 3,523,030 km (0.11 R)
• M12: 3,650,188 km (0.114 R)
• M13: 3,940,857 km (0.088 R)
• M14: 5,225,902 km (0.081 R)
• M15: 5,391,358 km (0.118 R)
• M16: 5,698,183 km (0.066 R)
• M17: 8,955,228 km (0.09 R)
• M18: 9,385,022 km (0.057 R)
• M19: 11,912,329 km (0.118 R)
• M20: 12,315,046 km (0.112 R)
• M21: 12,726,889 km (0.098 R)
• M22: 12,906,108 km (0.083 R)
• M23: 13,087,121 km (0.096 R)
• M24: 13,269,780 km (0.099 R)
• M25: 14,080,900 km (0.06 R)
• M26: 14,858,360 km (0.072 R)
• M27: 15,190,617 km (0.072 R)
• M28: 15,527,810 km (0.118 R)
• M29: 21,963,959 km (0.09 R)
• M30: 23,541,918 km (0.058 R)
• M31: 26,434,093 km (0.103 R)
• M32: 28,522,180 km (0.117 R)
• M33: 29,658,675 km (0.119 R)
• M34: 29,763,394 km (0.108 R)
• M35: 31,801,665 km (0.117 R)
• M36: 34,738,870 km (0.111 R)
• M37: 41,931,685 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.5

Radius: 5

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.37 AU - 9.57 AU

Year: 16719 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,704,682 km

• M1: 62,831 km (0.109 R)
• M2: 351,555 km (0.101 R)
• M3: 828,174 km (0.041 R)
• M4: 1,080,396 km (0.06 R)
• M5: 1,368,671 km (0.109 R)
• M6: 1,609,224 km (0.1 R)
• M7: 2,865,846 km (0.106 R)
• M8: 5,176,984 km (0.11 R)
• M9: 7,151,227 km (0.075 R)
• M10: 8,549,818 km (0.105 R)
• M11: 9,208,946 km (0.109 R)
• M12: 13,754,477 km (0.112 R)
• M13: 15,160,248 km (0.106 R)
• M14: 19,003,567 km (0.071 R)
• M15: 19,600,762 km (0.11 R)
• M16: 20,210,373 km (0.106 R)
• M17: 21,928,804 km (0.117 R)
• M18: 22,585,688 km (0.11 R)
• M19: 24,534,649 km (0.117 R)
• M20: 25,242,546 km (0.083 R)
• M21: 25,447,196 km (0.094 R)
• M22: 26,804,946 km (0.064 R)
• M23: 29,099,179 km (0.091 R)
• M24: 29,324,324 km (0.077 R)
• M25: 32,477,698 km (0.098 R)
• M26: 42,988,444 km (0.064 R)
• M27: 45,968,434 km (0.071 R)
• M28: 48,765,615 km (0.111 R)
• M29: 51,509,539 km (0.079 R)
• M30: 57,302,866 km (0.117 R)
• M31: 57,833,938 km (0.068 R)
• M32: 58,368,302 km (0.032 R)
• M33: 62,015,199 km (0.039 R)

Asteroid Belt

Center: 9.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619.2

Radius: 4.6

Gravity: 29.26 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.14 AU - 12.06 AU

Year: 23407 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,704,682 km

• M1: 57,146 km (0.096 R)
• M2: 533,316 km (0.095 R)
• M3: 690,993 km (0.076 R)
• M4: 926,609 km (0.116 R)
• M5: 1,363,884 km (0.107 R)
• M6: 1,542,504 km (0.099 R)
• M7: 1,830,330 km (0.107 R)
• M8: 2,090,032 km (0.076 R)
• M9: 2,328,491 km (0.078 R)
• M10: 2,860,012 km (0.104 R)
• M11: 3,498,197 km (0.119 R)
• M12: 3,740,994 km (0.115 R)
• M13: 4,789,525 km (0.119 R)
• M14: 6,324,998 km (0.09 R)
• M15: 6,964,978 km (0.083 R)
• M16: 9,429,603 km (0.097 R)
• M17: 13,493,728 km (0.108 R)
• M18: 14,940,190 km (0.102 R)
• M19: 15,417,706 km (0.081 R)
• M20: 15,660,354 km (0.093 R)
• M21: 19,422,142 km (0.105 R)
• M22: 21,460,563 km (0.054 R)
• M23: 21,864,477 km (0.113 R)
• M24: 23,852,034 km (0.114 R)
• M25: 31,689,167 km (0.074 R)
• M26: 34,640,135 km (0.104 R)
• M27: 35,757,182 km (0.118 R)
• M28: 41,236,803 km (0.07 R)
• M29: 41,704,146 km (0.089 R)
• M30: 47,933,402 km (0.047 R)
• M31: 52,534,883 km (0.069 R)
• M32: 54,193,923 km (0.12 R)
• M33: 57,035,983 km (0.07 R)
• M34: 58,395,678 km (0.102 R)
• M35: 61,381,802 km (0.091 R)
• M36: 69,618,511 km (0.119 R)
• M37: 70,280,930 km (0.088 R)
• M38: 74,805,368 km (0.074 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: 537 - 13,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit