🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 14.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 7.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,055,446 km

• M1: 184,454 km (0.066 R)
• M2: 818,749 km (0.079 R)
• M3: 1,289,833 km (0.102 R)
• M4: 2,059,065 km (0.11 R)
• M5: 2,583,106 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 10.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,055,446 km

• M1: 134,339 km (0.095 R)
• M2: 488,437 km (0.089 R)
• M3: 888,761 km (0.112 R)
• M4: 1,279,361 km (0.04 R)
• M5: 2,178,594 km (0.041 R)
• M6: 2,620,207 km (0.052 R)
• M7: 3,110,888 km (0.031 R)
• M8: 3,490,118 km (0.112 R)
• M9: 3,863,963 km (0.119 R)
• M10: 4,583,230 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 12.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.64 AU - 1.64 AU

Year: 1424 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,055,446 km

• M1: 157,975 km (0.06 R)
• M2: 604,375 km (0.055 R)
• M3: 1,228,348 km (0.079 R)
• M4: 1,725,611 km (0.118 R)
• M5: 2,138,053 km (0.036 R)
• M6: 2,578,918 km (0.043 R)
• M7: 3,095,030 km (0.101 R)
• M8: 4,034,056 km (0.034 R)
• M9: 4,561,089 km (0.1 R)
• M10: 4,991,333 km (0.077 R)
• M11: 5,534,972 km (0.113 R)
• M12: 6,094,617 km (0.089 R)
• M13: 6,691,812 km (0.091 R)
• M14: 7,301,573 km (0.075 R)
• M15: 7,865,407 km (0.097 R)
• M16: 8,780,198 km (0.109 R)
• M17: 10,086,936 km (0.094 R)
• M18: 10,583,900 km (0.083 R)
• M19: 12,062,824 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 11.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.7 AU - 1.7 AU

Year: 1503 Days

Day: 7.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,055,446 km

• M1: 144,212 km (0.093 R)
• M2: 526,435 km (0.103 R)
• M3: 951,891 km (0.103 R)
• M4: 1,399,787 km (0.075 R)
• M5: 1,956,142 km (0.1 R)
• M6: 2,372,772 km (0.039 R)
• M7: 3,785,125 km (0.067 R)
• M8: 4,574,553 km (0.099 R)
• M9: 5,230,989 km (0.116 R)
• M10: 6,067,091 km (0.034 R)
• M11: 6,580,212 km (0.104 R)
• M12: 7,042,769 km (0.049 R)
• M13: 7,637,570 km (0.087 R)
• M14: 9,399,533 km (0.092 R)
• M15: 9,920,882 km (0.109 R)
• M16: 10,495,787 km (0.093 R)
• M17: 11,675,366 km (0.091 R)
• M18: 12,743,794 km (0.103 R)
• M19: 13,140,827 km (0.107 R)
• M20: 14,127,574 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.5

Radius: 10.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.52 AU - 2.94 AU

Year: 3059 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,055,446 km

• M1: 129,402 km (0.102 R)
• M2: 513,869 km (0.034 R)
• M3: 1,067,530 km (0.11 R)
• M4: 1,837,810 km (0.034 R)
• M5: 2,262,219 km (0.076 R)
• M6: 2,593,877 km (0.099 R)
• M7: 4,190,984 km (0.114 R)
• M8: 4,715,175 km (0.092 R)
• M9: 5,496,226 km (0.093 R)
• M10: 5,850,025 km (0.071 R)
• M11: 6,652,617 km (0.104 R)
• M12: 7,210,019 km (0.103 R)
• M13: 12,697,718 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.8

Radius: 8.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.06 AU - 6.5 AU

Year: 8229 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,055,446 km

• M1: 109,506 km (0.103 R)
• M2: 385,514 km (0.092 R)
• M3: 708,795 km (0.068 R)
• M4: 986,149 km (0.062 R)
• M5: 1,614,161 km (0.105 R)
• M6: 2,557,525 km (0.119 R)
• M7: 2,949,322 km (0.036 R)
• M8: 3,600,671 km (0.109 R)
• M9: 4,447,844 km (0.117 R)
• M10: 4,821,839 km (0.111 R)
• M11: 5,130,309 km (0.037 R)
• M12: 5,975,537 km (0.088 R)
• M13: 6,298,968 km (0.056 R)
• M14: 7,711,471 km (0.058 R)
• M15: 8,134,534 km (0.108 R)
• M16: 10,118,501 km (0.083 R)
• M17: 10,767,157 km (0.029 R)
• M18: 12,457,463 km (0.062 R)
• M19: 12,826,222 km (0.09 R)
• M20: 14,033,178 km (0.08 R)
• M21: 16,671,187 km (0.097 R)
• M22: 18,580,355 km (0.094 R)
• M23: 21,073,254 km (0.061 R)
• M24: 22,593,766 km (0.083 R)
• M25: 25,009,473 km (0.114 R)
• M26: 26,799,561 km (0.071 R)
• M27: 28,673,424 km (0.076 R)
• M28: 29,316,994 km (0.096 R)
• M29: 32,283,520 km (0.084 R)
• M30: 33,890,201 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.7

Radius: 7.6

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.82 AU - 6.68 AU

Year: 10598 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,055,446 km

• M1: 113,694 km (0.085 R)
• M2: 361,428 km (0.118 R)
• M3: 888,611 km (0.115 R)
• M4: 1,178,682 km (0.119 R)
• M5: 1,734,288 km (0.067 R)
• M6: 2,141,194 km (0.111 R)
• M7: 2,395,959 km (0.08 R)
• M8: 2,880,507 km (0.083 R)
• M9: 4,237,210 km (0.1 R)
• M10: 5,940,083 km (0.047 R)
• M11: 6,672,963 km (0.113 R)
• M12: 6,943,286 km (0.103 R)
• M13: 8,055,247 km (0.045 R)
• M14: 8,859,635 km (0.116 R)
• M15: 12,676,924 km (0.094 R)
• M16: 14,715,344 km (0.1 R)
• M17: 16,259,045 km (0.101 R)
• M18: 18,506,603 km (0.12 R)
• M19: 19,195,950 km (0.043 R)
• M20: 21,118,133 km (0.089 R)
• M21: 23,429,869 km (0.095 R)
• M22: 24,600,921 km (0.068 R)
• M23: 25,905,265 km (0.053 R)
• M24: 32,458,400 km (0.086 R)
• M25: 34,368,316 km (0.066 R)
• M26: 34,712,989 km (0.103 R)
• M27: 35,059,907 km (0.041 R)
• M28: 36,351,983 km (0.072 R)
• M29: 37,069,904 km (0.091 R)
• M30: 38,410,600 km (0.118 R)
• M31: 39,909,720 km (0.115 R)
• M32: 41,447,586 km (0.105 R)
• M33: 43,291,081 km (0.057 R)
• M34: 44,914,068 km (0.102 R)
• M35: 46,157,675 km (0.112 R)
• M36: 46,999,462 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.1

Radius: 7

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.11 AU - 9.81 AU

Year: 19735 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,055,446 km

• M1: 87,814 km (0.064 R)
• M2: 451,935 km (0.096 R)
• M3: 768,933 km (0.117 R)
• M4: 1,133,503 km (0.103 R)
• M5: 1,364,183 km (0.109 R)
• M6: 2,042,759 km (0.116 R)
• M7: 3,087,102 km (0.085 R)
• M8: 3,484,134 km (0.067 R)
• M9: 4,345,818 km (0.032 R)
• M10: 5,146,915 km (0.072 R)
• M11: 5,582,693 km (0.101 R)
• M12: 6,618,659 km (0.047 R)
• M13: 7,038,430 km (0.12 R)
• M14: 7,625,602 km (0.047 R)
• M15: 7,931,230 km (0.093 R)
• M16: 8,897,184 km (0.088 R)
• M17: 9,408,659 km (0.109 R)
• M18: 10,490,102 km (0.067 R)
• M19: 11,585,457 km (0.115 R)
• M20: 12,195,368 km (0.048 R)
• M21: 13,332,013 km (0.108 R)
• M22: 13,926,066 km (0.106 R)
• M23: 14,615,263 km (0.066 R)
• M24: 16,734,317 km (0.111 R)
• M25: 19,803,317 km (0.091 R)
• M26: 22,492,937 km (0.047 R)
• M27: 23,228,061 km (0.053 R)
• M28: 23,548,051 km (0.093 R)
• M29: 23,979,192 km (0.094 R)
• M30: 24,968,483 km (0.059 R)
• M31: 27,382,095 km (0.092 R)
• M32: 30,580,647 km (0.115 R)
• M33: 39,194,792 km (0.077 R)
• M34: 40,566,006 km (0.086 R)
• M35: 55,128,910 km (0.117 R)
• M36: 55,698,279 km (0.025 R)
• M37: 61,609,639 km (0.076 R)
• M38: 72,141,479 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.1

Radius: 7.6

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.86 AU - 11.36 AU

Year: 20206 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,055,446 km

• M1: 100,979 km (0.093 R)
• M2: 460,313 km (0.095 R)
• M3: 845,826 km (0.068 R)
• M4: 1,637,648 km (0.045 R)
• M5: 2,255,936 km (0.086 R)
• M6: 3,070,496 km (0.027 R)
• M7: 3,517,495 km (0.118 R)
• M8: 3,771,362 km (0.071 R)
• M9: 5,486,652 km (0.112 R)
• M10: 6,145,331 km (0.053 R)
• M11: 6,431,512 km (0.083 R)
• M12: 7,435,014 km (0.113 R)
• M13: 8,844,226 km (0.071 R)
• M14: 9,156,736 km (0.096 R)
• M15: 12,897,880 km (0.102 R)
• M16: 13,504,200 km (0.109 R)
• M17: 15,066,450 km (0.078 R)
• M18: 18,460,976 km (0.078 R)
• M19: 19,404,938 km (0.057 R)
• M20: 20,200,799 km (0.078 R)
• M21: 20,652,285 km (0.037 R)
• M22: 21,481,805 km (0.053 R)
• M23: 22,622,340 km (0.066 R)
• M24: 23,702,586 km (0.042 R)
• M25: 25,230,728 km (0.088 R)
• M26: 31,637,855 km (0.077 R)
• M27: 32,615,777 km (0.078 R)
• M28: 33,740,005 km (0.047 R)
• M29: 38,083,429 km (0.034 R)
• M30: 38,772,477 km (0.069 R)
• M31: 43,380,391 km (0.039 R)
• M32: 44,891,927 km (0.06 R)
• M33: 46,438,321 km (0.105 R)
• M34: 48,662,542 km (0.069 R)
• M35: 50,294,056 km (0.073 R)
• M36: 59,553,566 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 320 - 11,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit