🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 11.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.71 AU - 0.81 AU

Year: 449 Days

Day: 14.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,382,243 km

• M1: 141,819 km (0.107 R)
• M2: 496,964 km (0.03 R)
• M3: 1,203,066 km (0.08 R)
• M4: 1,799,214 km (0.101 R)
• M5: 2,309,941 km (0.079 R)
• M6: 3,251,211 km (0.096 R)
• M7: 3,638,519 km (0.09 R)
• M8: 4,084,620 km (0.081 R)
• M9: 4,461,756 km (0.095 R)
• M10: 5,354,108 km (0.115 R)
• M11: 5,735,732 km (0.103 R)
• M12: 6,457,242 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 9.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.06 AU - 1.22 AU

Year: 826 Days

Day: 9.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,382,243 km

• M1: 115,639 km (0.099 R)
• M2: 501,153 km (0.107 R)
• M3: 1,479,523 km (0.108 R)
• M4: 1,789,789 km (0.035 R)
• M5: 2,205,970 km (0.101 R)
• M6: 2,790,000 km (0.076 R)
• M7: 3,234,156 km (0.111 R)
• M8: 4,509,927 km (0.105 R)
• M9: 4,871,655 km (0.091 R)
• M10: 5,467,503 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.2

Radius: 13.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.25 AU - 4.83 AU

Year: 6561 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,382,243 km

• M1: 164,258 km (0.119 R)
• M2: 680,820 km (0.067 R)
• M3: 1,102,387 km (0.072 R)
• M4: 1,795,773 km (0.108 R)
• M5: 2,351,529 km (0.071 R)
• M6: 3,473,214 km (0.117 R)
• M7: 3,993,665 km (0.117 R)
• M8: 5,527,193 km (0.097 R)
• M9: 6,240,026 km (0.115 R)
• M10: 8,143,061 km (0.113 R)
• M11: 10,319,560 km (0.099 R)
• M12: 11,032,993 km (0.08 R)
• M13: 13,114,348 km (0.074 R)
• M14: 14,658,198 km (0.101 R)
• M15: 18,041,054 km (0.048 R)
• M16: 20,358,625 km (0.105 R)
• M17: 20,985,290 km (0.082 R)
• M18: 23,242,872 km (0.073 R)
• M19: 27,302,359 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 11.5

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.42 AU - 5.2 AU

Year: 7155 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,382,243 km

• M1: 143,016 km (0.113 R)
• M2: 787,334 km (0.096 R)
• M3: 1,419,684 km (0.092 R)
• M4: 1,926,372 km (0.095 R)
• M5: 2,405,833 km (0.047 R)
• M6: 3,264,226 km (0.104 R)
• M7: 5,874,858 km (0.108 R)
• M8: 7,192,965 km (0.114 R)
• M9: 10,211,102 km (0.08 R)
• M10: 11,208,920 km (0.086 R)
• M11: 11,573,041 km (0.057 R)
• M12: 12,215,863 km (0.084 R)
• M13: 12,769,674 km (0.077 R)
• M14: 16,384,258 km (0.117 R)
• M15: 19,712,960 km (0.076 R)
• M16: 21,897,089 km (0.102 R)
• M17: 24,672,878 km (0.054 R)
• M18: 25,828,072 km (0.045 R)
• M19: 26,190,698 km (0.108 R)
• M20: 26,833,370 km (0.094 R)
• M21: 27,769,853 km (0.113 R)
• M22: 30,811,477 km (0.119 R)
• M23: 35,948,668 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.3

Radius: 6.4

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.04 AU - 7.66 AU

Year: 10853 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,382,243 km

• M1: 80,184 km (0.112 R)
• M2: 297,101 km (0.114 R)
• M3: 592,707 km (0.108 R)
• M4: 844,330 km (0.044 R)
• M5: 1,357,750 km (0.065 R)
• M6: 1,742,965 km (0.115 R)
• M7: 2,772,348 km (0.107 R)
• M8: 3,050,001 km (0.119 R)
• M9: 3,686,241 km (0.105 R)
• M10: 4,667,603 km (0.032 R)
• M11: 5,744,409 km (0.076 R)
• M12: 6,232,696 km (0.103 R)
• M13: 6,635,414 km (0.115 R)
• M14: 7,252,056 km (0.109 R)
• M15: 7,780,735 km (0.107 R)
• M16: 9,473,285 km (0.105 R)
• M17: 13,447,203 km (0.066 R)
• M18: 13,811,175 km (0.083 R)
• M19: 15,333,183 km (0.11 R)
• M20: 17,034,111 km (0.069 R)
• M21: 17,460,315 km (0.08 R)
• M22: 17,820,996 km (0.094 R)
• M23: 19,389,829 km (0.103 R)
• M24: 21,704,706 km (0.098 R)
• M25: 24,197,605 km (0.109 R)
• M26: 26,211,641 km (0.036 R)
• M27: 28,932,976 km (0.106 R)
• M28: 29,336,442 km (0.101 R)
• M29: 29,743,797 km (0.11 R)
• M30: 30,361,785 km (0.118 R)
• M31: 30,778,416 km (0.088 R)
• M32: 32,159,204 km (0.103 R)
• M33: 32,483,532 km (0.045 R)
• M34: 34,026,335 km (0.118 R)
• M35: 36,080,912 km (0.071 R)
• M36: 40,813,291 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.4

Radius: 3

Gravity: 56.04 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.42 AU - 7.66 AU

Year: 14043 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,382,243 km

• M1: 38,746 km (0.119 R)
• M2: 348,413 km (0.038 R)
• M3: 591,510 km (0.103 R)
• M4: 815,608 km (0.082 R)
• M5: 1,444,068 km (0.111 R)
• M6: 2,874,822 km (0.032 R)
• M7: 3,380,164 km (0.033 R)
• M8: 3,508,668 km (0.113 R)
• M9: 3,942,203 km (0.074 R)
• M10: 4,201,157 km (0.057 R)
• M11: 4,471,331 km (0.1 R)
• M12: 4,784,888 km (0.045 R)
• M13: 4,979,964 km (0.036 R)
• M14: 7,148,085 km (0.112 R)
• M15: 7,317,430 km (0.065 R)
• M16: 7,446,084 km (0.074 R)
• M17: 8,021,438 km (0.099 R)
• M18: 10,402,886 km (0.114 R)
• M19: 12,964,451 km (0.04 R)
• M20: 13,664,868 km (0.108 R)
• M21: 13,860,093 km (0.047 R)
• M22: 15,071,237 km (0.086 R)
• M23: 18,641,989 km (0.076 R)
• M24: 19,287,205 km (0.076 R)
• M25: 20,793,057 km (0.098 R)
• M26: 26,376,049 km (0.119 R)
• M27: 33,348,058 km (0.081 R)
• M28: 37,507,477 km (0.1 R)
• M29: 38,534,018 km (0.083 R)
• M30: 39,843,298 km (0.104 R)
• M31: 50,932,540 km (0.099 R)
• M32: 51,873,959 km (0.062 R)
• M33: 52,508,105 km (0.053 R)
• M34: 52,827,047 km (0.118 R)
• M35: 53,307,855 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.6

Radius: 3.7

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.53 AU - 9.01 AU

Year: 14690 Days

Day: 23.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,382,243 km

• M1: 46,375 km (0.088 R)
• M2: 201,957 km (0.085 R)
• M3: 436,975 km (0.092 R)
• M4: 583,132 km (0.055 R)
• M5: 744,249 km (0.065 R)
• M6: 884,123 km (0.038 R)
• M7: 2,512,496 km (0.079 R)
• M8: 3,197,954 km (0.117 R)
• M9: 4,314,103 km (0.116 R)
• M10: 4,800,147 km (0.102 R)
• M11: 6,324,400 km (0.044 R)
• M12: 8,741,901 km (0.117 R)
• M13: 13,079,192 km (0.088 R)
• M14: 15,774,796 km (0.08 R)
• M15: 17,214,676 km (0.061 R)
• M16: 17,890,260 km (0.099 R)
• M17: 19,374,420 km (0.078 R)
• M18: 25,549,671 km (0.05 R)
• M19: 26,725,061 km (0.119 R)
• M20: 28,763,332 km (0.075 R)
• M21: 34,661,079 km (0.087 R)
• M22: 36,833,988 km (0.086 R)
• M23: 38,585,480 km (0.08 R)
• M24: 41,182,798 km (0.117 R)
• M25: 44,311,039 km (0.114 R)
• M26: 48,328,340 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.1

Radius: 4

Gravity: 23.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.27 AU - 8.61 AU

Year: 15175 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,382,243 km

• M1: 50,714 km (0.038 R)
• M2: 221,554 km (0.084 R)
• M3: 428,747 km (0.118 R)
• M4: 1,783,057 km (0.11 R)
• M5: 2,001,620 km (0.091 R)
• M6: 2,595,224 km (0.109 R)
• M7: 3,733,813 km (0.116 R)
• M8: 5,863,489 km (0.108 R)
• M9: 10,604,544 km (0.065 R)
• M10: 12,543,482 km (0.086 R)
• M11: 13,659,782 km (0.092 R)
• M12: 14,111,268 km (0.116 R)
• M13: 16,088,054 km (0.091 R)
• M14: 25,356,989 km (0.064 R)
• M15: 27,133,463 km (0.09 R)
• M16: 28,780,686 km (0.093 R)
• M17: 40,477,893 km (0.115 R)
• M18: 44,422,789 km (0.107 R)
• M19: 46,127,307 km (0.115 R)
• M20: 48,170,664 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.3

Radius: 5.4

Gravity: 27.75 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.74 AU - 10.76 AU

Year: 22258 Days

Day: 21.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,382,243 km

• M1: 67,169 km (0.095 R)
• M2: 434,133 km (0.055 R)
• M3: 697,425 km (0.062 R)
• M4: 1,173,147 km (0.083 R)
• M5: 1,655,300 km (0.11 R)
• M6: 2,002,816 km (0.05 R)
• M7: 2,260,573 km (0.106 R)
• M8: 2,948,873 km (0.114 R)
• M9: 4,766,188 km (0.097 R)
• M10: 5,147,962 km (0.1 R)
• M11: 5,386,720 km (0.108 R)
• M12: 6,059,761 km (0.073 R)
• M13: 6,371,074 km (0.109 R)
• M14: 9,143,571 km (0.107 R)
• M15: 10,599,608 km (0.085 R)
• M16: 11,994,907 km (0.061 R)
• M17: 14,116,803 km (0.071 R)
• M18: 15,968,077 km (0.084 R)
• M19: 16,562,279 km (0.117 R)
• M20: 18,340,849 km (0.067 R)
• M21: 19,086,594 km (0.112 R)
• M22: 21,140,124 km (0.114 R)
• M23: 21,445,154 km (0.099 R)
• M24: 22,800,361 km (0.11 R)
• M25: 24,433,970 km (0.082 R)
• M26: 36,920,006 km (0.09 R)
• M27: 37,214,415 km (0.072 R)
• M28: 41,661,511 km (0.057 R)
• M29: 42,785,739 km (0.102 R)
• M30: 46,108,607 km (0.09 R)
• M31: 49,421,003 km (0.081 R)
• M32: 50,138,026 km (0.092 R)
• M33: 50,499,155 km (0.082 R)
• M34: 51,043,990 km (0.091 R)
• M35: 54,205,891 km (0.063 R)
• M36: 61,121,950 km (0.102 R)
• M37: 62,990,876 km (0.071 R)
• M38: 66,842,273 km (0.053 R)
• M39: 80,809,927 km (0.114 R)
• M40: 84,837,850 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 19,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit