🌌 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: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 10.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 13.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,302,518 km

• M1: 133,142 km (0.099 R)
• M2: 844,779 km (0.081 R)
• M3: 1,428,510 km (0.108 R)
• M4: 2,164,083 km (0.067 R)
• M5: 3,040,876 km (0.106 R)
• M6: 3,431,925 km (0.05 R)
• M7: 3,787,968 km (0.102 R)
• M8: 4,183,205 km (0.062 R)
• M9: 7,165,439 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 13.5

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.59 AU - 2.89 AU

Year: 3076 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,302,518 km

• M1: 167,849 km (0.077 R)
• M2: 612,154 km (0.105 R)
• M3: 1,037,312 km (0.113 R)
• M4: 1,755,232 km (0.051 R)
• M5: 2,504,119 km (0.082 R)
• M6: 3,650,038 km (0.045 R)
• M7: 4,114,989 km (0.12 R)
• M8: 4,598,639 km (0.105 R)
• M9: 5,030,677 km (0.108 R)
• M10: 6,128,875 km (0.071 R)
• M11: 9,262,352 km (0.058 R)
• M12: 9,849,374 km (0.118 R)
• M13: 11,212,959 km (0.054 R)
• M14: 12,615,439 km (0.099 R)
• M15: 13,380,782 km (0.072 R)
• M16: 14,042,004 km (0.094 R)
• M17: 15,098,165 km (0.086 R)
• M18: 16,206,685 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.3

Radius: 12.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.63 AU - 3.61 AU

Year: 3738 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,302,518 km

• M1: 160,818 km (0.105 R)
• M2: 603,777 km (0.085 R)
• M3: 1,071,420 km (0.116 R)
• M4: 2,156,154 km (0.084 R)
• M5: 2,806,606 km (0.118 R)
• M6: 3,666,045 km (0.051 R)
• M7: 5,042,645 km (0.118 R)
• M8: 5,877,102 km (0.102 R)
• M9: 8,099,977 km (0.081 R)
• M10: 8,826,723 km (0.058 R)
• M11: 10,663,935 km (0.089 R)
• M12: 11,946,138 km (0.062 R)
• M13: 12,744,093 km (0.096 R)
• M14: 14,290,486 km (0.107 R)
• M15: 17,693,090 km (0.051 R)
• M16: 18,854,867 km (0.055 R)
• M17: 20,328,406 km (0.102 R)
• M18: 21,808,378 km (0.068 R)
• M19: 24,309,355 km (0.067 R)
• M20: 24,831,601 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435

Radius: 7.3

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.96 AU - 6.06 AU

Year: 9993 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,302,518 km

• M1: 90,806 km (0.112 R)
• M2: 334,501 km (0.084 R)
• M3: 740,509 km (0.116 R)
• M4: 1,475,484 km (0.116 R)
• M5: 1,792,781 km (0.041 R)
• M6: 2,121,896 km (0.071 R)
• M7: 2,642,497 km (0.1 R)
• M8: 2,881,554 km (0.032 R)
• M9: 3,591,097 km (0.045 R)
• M10: 3,835,241 km (0.041 R)
• M11: 4,356,888 km (0.109 R)
• M12: 6,927,279 km (0.095 R)
• M13: 7,345,704 km (0.116 R)
• M14: 9,648,763 km (0.11 R)
• M15: 12,954,128 km (0.069 R)
• M16: 13,356,098 km (0.058 R)
• M17: 14,427,817 km (0.117 R)
• M18: 16,809,266 km (0.099 R)
• M19: 20,737,257 km (0.101 R)
• M20: 21,129,203 km (0.105 R)
• M21: 26,044,840 km (0.077 R)
• M22: 28,476,553 km (0.065 R)
• M23: 34,657,638 km (0.113 R)
• M24: 36,331,638 km (0.092 R)
• M25: 39,961,032 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.7

Radius: 4.1

Gravity: 56.62 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.84 AU - 6.44 AU

Year: 10319 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,302,518 km

• M1: 51,013 km (0.094 R)
• M2: 238,908 km (0.119 R)
• M3: 449,392 km (0.091 R)
• M4: 593,305 km (0.098 R)
• M5: 1,274,723 km (0.062 R)
• M6: 2,029,894 km (0.119 R)
• M7: 2,682,589 km (0.08 R)
• M8: 3,702,697 km (0.094 R)
• M9: 4,419,719 km (0.084 R)
• M10: 4,667,603 km (0.105 R)
• M11: 4,957,374 km (0.11 R)
• M12: 5,397,042 km (0.092 R)
• M13: 5,716,284 km (0.09 R)
• M14: 5,973,144 km (0.092 R)
• M15: 6,123,340 km (0.091 R)
• M16: 6,669,223 km (0.032 R)
• M17: 7,901,909 km (0.049 R)
• M18: 8,453,776 km (0.113 R)
• M19: 9,278,808 km (0.109 R)
• M20: 11,372,131 km (0.117 R)
• M21: 12,015,103 km (0.102 R)
• M22: 16,243,187 km (0.084 R)
• M23: 16,389,195 km (0.1 R)
• M24: 16,907,402 km (0.077 R)
• M25: 17,666,611 km (0.071 R)
• M26: 17,976,578 km (0.104 R)
• M27: 25,746,990 km (0.075 R)
• M28: 26,954,395 km (0.098 R)
• M29: 29,265,233 km (0.032 R)
• M30: 29,699,067 km (0.106 R)
• M31: 31,933,012 km (0.095 R)
• M32: 34,516,866 km (0.091 R)
• M33: 44,510,752 km (0.108 R)
• M34: 44,653,768 km (0.113 R)
• M35: 48,177,246 km (0.098 R)
• M36: 48,630,378 km (0.063 R)
• M37: 52,198,736 km (0.113 R)
• M38: 53,157,509 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.4

Radius: 5.4

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.71 AU - 7.83 AU

Year: 10649 Days

Day: 20.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,302,518 km

• M1: 67,169 km (0.087 R)
• M2: 246,537 km (0.094 R)
• M3: 2,681,691 km (0.084 R)
• M4: 4,795,509 km (0.095 R)
• M5: 5,303,843 km (0.118 R)
• M6: 6,569,142 km (0.103 R)
• M7: 7,621,712 km (0.076 R)
• M8: 9,587,279 km (0.099 R)
• M9: 18,446,165 km (0.077 R)
• M10: 21,139,077 km (0.098 R)
• M11: 21,931,197 km (0.058 R)
• M12: 26,190,548 km (0.061 R)
• M13: 33,777,554 km (0.08 R)
• M14: 36,524,470 km (0.039 R)
• M15: 40,012,793 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.4

Radius: 7.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.52 AU - 6.82 AU

Year: 11684 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,302,518 km

• M1: 89,759 km (0.118 R)
• M2: 468,690 km (0.086 R)
• M3: 770,878 km (0.096 R)
• M4: 1,073,814 km (0.113 R)
• M5: 1,329,925 km (0.099 R)
• M6: 1,757,925 km (0.082 R)
• M7: 4,465,048 km (0.046 R)
• M8: 5,570,426 km (0.098 R)
• M9: 6,611,328 km (0.116 R)
• M10: 7,302,022 km (0.116 R)
• M11: 8,116,432 km (0.092 R)
• M12: 8,427,147 km (0.108 R)
• M13: 10,370,274 km (0.105 R)
• M14: 12,035,747 km (0.066 R)
• M15: 13,063,484 km (0.07 R)
• M16: 13,436,731 km (0.048 R)
• M17: 15,469,467 km (0.101 R)
• M18: 17,122,523 km (0.078 R)
• M19: 18,221,769 km (0.08 R)
• M20: 20,847,810 km (0.061 R)
• M21: 21,357,639 km (0.112 R)
• M22: 21,875,846 km (0.113 R)
• M23: 24,032,449 km (0.11 R)
• M24: 25,162,063 km (0.089 R)
• M25: 28,140,556 km (0.113 R)
• M26: 29,760,252 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 4.6

Gravity: 43.78 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.78 AU - 7.64 AU

Year: 11789 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,302,518 km

• M1: 57,296 km (0.057 R)
• M2: 209,138 km (0.049 R)
• M3: 482,004 km (0.104 R)
• M4: 843,882 km (0.118 R)
• M5: 2,907,285 km (0.116 R)
• M6: 3,050,600 km (0.064 R)
• M7: 4,041,386 km (0.062 R)
• M8: 5,370,713 km (0.095 R)
• M9: 7,138,212 km (0.046 R)
• M10: 8,511,072 km (0.074 R)
• M11: 10,490,850 km (0.117 R)
• M12: 13,143,519 km (0.079 R)
• M13: 13,937,734 km (0.045 R)
• M14: 14,484,664 km (0.091 R)
• M15: 15,548,604 km (0.117 R)
• M16: 16,286,122 km (0.088 R)
• M17: 18,393,657 km (0.103 R)
• M18: 19,218,240 km (0.101 R)
• M19: 19,470,462 km (0.093 R)
• M20: 21,477,168 km (0.069 R)
• M21: 25,187,793 km (0.096 R)
• M22: 25,998,464 km (0.092 R)
• M23: 28,972,620 km (0.097 R)
• M24: 33,119,473 km (0.107 R)
• M25: 33,724,895 km (0.117 R)
• M26: 42,708,098 km (0.106 R)
• M27: 48,206,567 km (0.099 R)
• M28: 50,245,287 km (0.052 R)
• M29: 53,824,865 km (0.114 R)
• M30: 56,018,119 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 5.1

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.87 AU - 8.73 AU

Year: 14775 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,302,518 km

• M1: 63,729 km (0.111 R)
• M2: 239,805 km (0.044 R)
• M3: 812,167 km (0.085 R)
• M4: 1,218,175 km (0.061 R)
• M5: 1,718,880 km (0.108 R)
• M6: 2,217,639 km (0.104 R)
• M7: 2,702,635 km (0.095 R)
• M8: 2,915,363 km (0.088 R)
• M9: 3,546,218 km (0.075 R)
• M10: 4,263,689 km (0.111 R)
• M11: 5,365,178 km (0.093 R)
• M12: 5,633,557 km (0.048 R)
• M13: 6,233,594 km (0.101 R)
• M14: 6,605,943 km (0.059 R)
• M15: 7,518,639 km (0.091 R)
• M16: 8,924,111 km (0.068 R)
• M17: 9,158,531 km (0.107 R)
• M18: 9,493,481 km (0.115 R)
• M19: 11,958,405 km (0.069 R)
• M20: 14,367,080 km (0.116 R)
• M21: 16,164,050 km (0.109 R)
• M22: 17,008,829 km (0.115 R)
• M23: 17,588,222 km (0.052 R)
• M24: 24,032,599 km (0.113 R)
• M25: 24,853,741 km (0.074 R)
• M26: 25,505,390 km (0.097 R)
• M27: 26,842,496 km (0.078 R)
• M28: 27,331,082 km (0.1 R)
• M29: 28,225,528 km (0.102 R)
• M30: 29,448,341 km (0.105 R)
• M31: 32,438,054 km (0.066 R)
• M32: 34,120,133 km (0.047 R)
• M33: 34,348,569 km (0.057 R)
• M34: 37,900,920 km (0.059 R)
• M35: 40,656,213 km (0.089 R)
• M36: 43,676,445 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.8

Radius: 7.5

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.34 AU - 11.24 AU

Year: 19205 Days

Day: 19.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,302,518 km

• M1: 93,349 km (0.117 R)
• M2: 717,023 km (0.063 R)
• M3: 1,022,801 km (0.053 R)
• M4: 1,304,942 km (0.058 R)
• M5: 2,029,445 km (0.087 R)
• M6: 2,587,295 km (0.06 R)
• M7: 3,069,449 km (0.084 R)
• M8: 3,664,849 km (0.094 R)
• M9: 4,813,910 km (0.119 R)
• M10: 6,304,503 km (0.105 R)
• M11: 7,133,574 km (0.116 R)
• M12: 7,939,907 km (0.116 R)
• M13: 8,317,342 km (0.113 R)
• M14: 9,057,104 km (0.03 R)
• M15: 12,271,364 km (0.11 R)
• M16: 15,876,822 km (0.078 R)
• M17: 17,246,241 km (0.047 R)
• M18: 17,719,868 km (0.104 R)
• M19: 19,786,712 km (0.1 R)
• M20: 20,045,067 km (0.094 R)
• M21: 21,011,769 km (0.116 R)
• M22: 21,551,967 km (0.07 R)
• M23: 22,660,038 km (0.119 R)
• M24: 30,689,854 km (0.086 R)
• M25: 37,069,305 km (0.115 R)
• M26: 52,370,026 km (0.105 R)
• M27: 56,242,965 km (0.107 R)
• M28: 57,458,448 km (0.07 R)
• M29: 58,337,335 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 16,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit