🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.74 AU

Year: 336 Days

Day: 41 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 9.9

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.73 AU - 0.79 AU

Year: 435 Days

Day: 10.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 86.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,779,279 km

• M1: 133,292 km (0.08 R)
• M2: 319,990 km (0.085 R)
• M3: 543,489 km (0.119 R)
• M4: 730,038 km (0.054 R)
• M5: 937,380 km (0.112 R)
• M6: 1,200,523 km (0.087 R)
• M7: 1,710,352 km (0.111 R)
• M8: 1,895,555 km (0.077 R)
• M9: 2,217,639 km (0.062 R)
• M10: 3,230,566 km (0.118 R)
• M11: 3,496,850 km (0.067 R)
• M12: 3,783,480 km (0.118 R)
• M13: 4,003,538 km (0.079 R)
• M14: 4,240,202 km (0.035 R)
• M15: 4,442,758 km (0.11 R)
• M16: 4,650,100 km (0.032 R)
• M17: 5,068,525 km (0.102 R)
• M18: 5,736,630 km (0.102 R)
• M19: 6,092,672 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 11.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.12 AU - 1.68 AU

Year: 1087 Days

Day: 10.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,779,279 km

• M1: 139,276 km (0.09 R)
• M2: 496,366 km (0.053 R)
• M3: 732,880 km (0.065 R)
• M4: 1,068,129 km (0.059 R)
• M5: 1,546,842 km (0.07 R)
• M6: 1,963,023 km (0.073 R)
• M7: 2,424,084 km (0.083 R)
• M8: 3,395,423 km (0.078 R)
• M9: 3,654,078 km (0.114 R)
• M10: 3,865,908 km (0.036 R)
• M11: 4,465,048 km (0.065 R)
• M12: 4,687,200 km (0.112 R)
• M13: 5,043,692 km (0.085 R)
• M14: 6,324,549 km (0.055 R)
• M15: 7,949,182 km (0.055 R)
• M16: 8,447,941 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 9.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.25 AU - 1.67 AU

Year: 1157 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,779,279 km

• M1: 123,119 km (0.071 R)
• M2: 438,920 km (0.113 R)
• M3: 650,900 km (0.069 R)
• M4: 910,752 km (0.079 R)
• M5: 1,172,847 km (0.106 R)
• M6: 1,448,706 km (0.039 R)
• M7: 1,863,541 km (0.075 R)
• M8: 2,049,192 km (0.066 R)
• M9: 2,448,319 km (0.118 R)
• M10: 2,640,253 km (0.061 R)
• M11: 3,117,620 km (0.086 R)
• M12: 3,521,833 km (0.091 R)
• M13: 4,196,669 km (0.11 R)
• M14: 4,593,253 km (0.071 R)
• M15: 7,067,003 km (0.057 R)
• M16: 7,432,920 km (0.115 R)
• M17: 8,487,435 km (0.082 R)
• M18: 8,827,920 km (0.089 R)
• M19: 9,092,708 km (0.095 R)
• M20: 9,382,330 km (0.113 R)
• M21: 10,105,037 km (0.102 R)
• M22: 11,103,154 km (0.115 R)
• M23: 11,654,871 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 10.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.76 AU - 2.78 AU

Year: 2244 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,779,279 km

• M1: 131,048 km (0.1 R)
• M2: 379,829 km (0.045 R)
• M3: 886,367 km (0.112 R)
• M4: 1,174,642 km (0.094 R)
• M5: 1,456,335 km (0.108 R)
• M6: 2,147,777 km (0.118 R)
• M7: 2,482,726 km (0.107 R)
• M8: 3,788,566 km (0.052 R)
• M9: 4,610,457 km (0.095 R)
• M10: 5,146,466 km (0.116 R)
• M11: 5,743,511 km (0.045 R)
• M12: 6,718,291 km (0.079 R)
• M13: 6,919,350 km (0.072 R)
• M14: 7,664,198 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 14.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.97 AU - 4.61 AU

Year: 5829 Days

Day: 8.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,779,279 km

• M1: 180,565 km (0.111 R)
• M2: 570,267 km (0.118 R)
• M3: 855,401 km (0.119 R)
• M4: 1,995,935 km (0.091 R)
• M5: 2,351,379 km (0.076 R)
• M6: 3,063,615 km (0.105 R)
• M7: 3,349,496 km (0.108 R)
• M8: 3,897,922 km (0.056 R)
• M9: 4,287,774 km (0.118 R)
• M10: 5,125,971 km (0.103 R)
• M11: 5,397,641 km (0.113 R)
• M12: 5,831,624 km (0.115 R)
• M13: 6,779,925 km (0.103 R)
• M14: 7,561,574 km (0.108 R)
• M15: 9,124,722 km (0.096 R)
• M16: 10,378,053 km (0.06 R)
• M17: 10,766,559 km (0.031 R)
• M18: 13,891,060 km (0.108 R)
• M19: 14,672,709 km (0.038 R)
• M20: 17,237,714 km (0.071 R)
• M21: 18,201,124 km (0.058 R)
• M22: 18,574,969 km (0.063 R)
• M23: 18,905,431 km (0.101 R)
• M24: 19,190,864 km (0.07 R)
• M25: 19,526,711 km (0.031 R)
• M26: 19,816,931 km (0.083 R)
• M27: 20,551,905 km (0.052 R)
• M28: 24,106,350 km (0.109 R)
• M29: 26,410,008 km (0.067 R)
• M30: 28,120,211 km (0.108 R)
• M31: 30,183,614 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 12.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.78 AU - 5.42 AU

Year: 7556 Days

Day: 8.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,779,279 km

• M1: 161,865 km (0.095 R)
• M2: 420,220 km (0.097 R)
• M3: 2,203,876 km (0.111 R)
• M4: 2,706,674 km (0.082 R)
• M5: 2,960,243 km (0.079 R)
• M6: 7,441,297 km (0.051 R)
• M7: 8,082,773 km (0.073 R)
• M8: 9,079,095 km (0.05 R)
• M9: 9,582,492 km (0.109 R)
• M10: 13,859,046 km (0.053 R)
• M11: 15,766,868 km (0.116 R)
• M12: 16,880,474 km (0.089 R)
• M13: 18,361,792 km (0.088 R)
• M14: 19,077,917 km (0.092 R)
• M15: 20,852,746 km (0.095 R)
• M16: 22,080,197 km (0.113 R)
• M17: 22,707,162 km (0.101 R)
• M18: 23,449,915 km (0.104 R)
• M19: 24,041,874 km (0.046 R)
• M20: 26,257,119 km (0.057 R)
• M21: 28,275,942 km (0.05 R)
• M22: 29,523,439 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 5.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.6 AU - 8.08 AU

Year: 14401 Days

Day: 19.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,779,279 km

• M1: 79,885 km (0.093 R)
• M2: 331,658 km (0.098 R)
• M3: 815,009 km (0.069 R)
• M4: 1,172,548 km (0.12 R)
• M5: 1,483,562 km (0.04 R)
• M6: 3,151,578 km (0.086 R)
• M7: 3,498,795 km (0.094 R)
• M8: 6,887,336 km (0.086 R)
• M9: 7,486,326 km (0.119 R)
• M10: 7,899,815 km (0.089 R)
• M11: 9,566,335 km (0.104 R)
• M12: 10,720,183 km (0.088 R)
• M13: 10,895,363 km (0.116 R)
• M14: 12,726,590 km (0.118 R)
• M15: 13,187,351 km (0.065 R)
• M16: 15,488,616 km (0.075 R)
• M17: 16,125,154 km (0.117 R)
• M18: 16,818,241 km (0.053 R)
• M19: 19,406,434 km (0.049 R)
• M20: 21,235,268 km (0.088 R)
• M21: 23,611,481 km (0.083 R)
• M22: 25,517,058 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.1

Radius: 3.6

Gravity: 32.96 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.46 AU - 8.82 AU

Year: 15235 Days

Day: 18.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 61,779,279 km

• M1: 46,076 km (0.116 R)
• M2: 164,408 km (0.116 R)
• M3: 483,500 km (0.115 R)
• M4: 1,780,514 km (0.094 R)
• M5: 2,255,188 km (0.096 R)
• M6: 3,430,578 km (0.047 R)
• M7: 3,567,460 km (0.053 R)
• M8: 3,763,434 km (0.115 R)
• M9: 4,141,617 km (0.091 R)
• M10: 4,791,171 km (0.102 R)
• M11: 5,183,865 km (0.04 R)
• M12: 5,318,204 km (0.097 R)
• M13: 7,581,770 km (0.09 R)
• M14: 10,154,853 km (0.103 R)
• M15: 12,011,662 km (0.098 R)
• M16: 14,245,906 km (0.098 R)
• M17: 15,783,174 km (0.105 R)
• M18: 16,851,901 km (0.076 R)
• M19: 17,399,429 km (0.039 R)
• M20: 17,645,667 km (0.075 R)
• M21: 18,080,548 km (0.113 R)
• M22: 18,584,244 km (0.086 R)
• M23: 19,939,152 km (0.077 R)
• M24: 20,334,988 km (0.118 R)
• M25: 21,682,865 km (0.099 R)
• M26: 22,932,905 km (0.038 R)
• M27: 23,929,526 km (0.077 R)
• M28: 24,581,473 km (0.084 R)
• M29: 24,947,390 km (0.119 R)
• M30: 28,992,815 km (0.042 R)
• M31: 29,470,033 km (0.074 R)
• M32: 29,870,656 km (0.112 R)
• M33: 31,088,681 km (0.116 R)
• M34: 31,831,285 km (0.109 R)
• M35: 32,498,641 km (0.058 R)
• M36: 34,283,643 km (0.071 R)
• M37: 36,470,914 km (0.108 R)
• M38: 38,725,802 km (0.071 R)
• M39: 40,391,275 km (0.11 R)
• M40: 49,970,925 km (0.036 R)
• M41: 52,072,775 km (0.091 R)
• M42: 53,677,661 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.8

Radius: 7.4

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.55 AU - 10.27 AU

Year: 17447 Days

Day: 19.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 61,779,279 km

• M1: 98,136 km (0.106 R)
• M2: 265,237 km (0.031 R)
• M3: 411,843 km (0.112 R)
• M4: 648,806 km (0.096 R)
• M5: 879,785 km (0.061 R)
• M6: 1,199,625 km (0.117 R)
• M7: 1,353,412 km (0.055 R)
• M8: 1,671,158 km (0.113 R)
• M9: 2,996,745 km (0.11 R)
• M10: 3,734,561 km (0.102 R)
• M11: 4,555,854 km (0.112 R)
• M12: 5,423,970 km (0.105 R)
• M13: 6,408,773 km (0.038 R)
• M14: 6,809,695 km (0.109 R)
• M15: 7,265,071 km (0.11 R)
• M16: 7,735,257 km (0.039 R)
• M17: 8,720,658 km (0.109 R)
• M18: 13,145,015 km (0.054 R)
• M19: 14,010,140 km (0.106 R)
• M20: 14,364,088 km (0.119 R)
• M21: 15,206,923 km (0.107 R)
• M22: 20,772,113 km (0.051 R)
• M23: 23,045,851 km (0.062 R)
• M24: 23,347,889 km (0.102 R)
• M25: 23,804,612 km (0.084 R)
• M26: 24,731,370 km (0.083 R)
• M27: 26,476,579 km (0.043 R)
• M28: 29,717,318 km (0.059 R)
• M29: 30,318,851 km (0.083 R)
• M30: 30,578,403 km (0.106 R)
• M31: 30,839,152 km (0.082 R)
• M32: 31,188,613 km (0.064 R)
• M33: 31,716,394 km (0.051 R)
• M34: 36,098,565 km (0.07 R)
• M35: 39,276,323 km (0.105 R)
• M36: 40,465,177 km (0.077 R)
• M37: 41,166,791 km (0.104 R)
• M38: 44,976,301 km (0.056 R)
• M39: 46,461,658 km (0.118 R)
• M40: 47,213,387 km (0.087 R)
• M41: 51,062,989 km (0.109 R)
• M42: 56,117,004 km (0.116 R)
• M43: 58,253,261 km (0.098 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 11,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit