🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 8.3

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.71 AU - 0.91 AU

Year: 478 Days

Day: 11.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,319,326 km

• M1: 103,522 km (0.082 R)
• M2: 508,184 km (0.088 R)
• M3: 923,019 km (0.098 R)
• M4: 1,261,409 km (0.095 R)
• M5: 1,534,126 km (0.053 R)
• M6: 2,102,897 km (0.114 R)
• M7: 2,805,110 km (0.04 R)
• M8: 3,276,642 km (0.105 R)
• M9: 4,218,510 km (0.092 R)
• M10: 4,514,265 km (0.103 R)
• M11: 5,057,904 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 12.7

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.01 AU - 1.63 AU

Year: 995 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,319,326 km

• M1: 159,621 km (0.101 R)
• M2: 632,500 km (0.043 R)
• M3: 1,073,664 km (0.078 R)
• M4: 1,934,300 km (0.107 R)
• M5: 2,875,720 km (0.105 R)
• M6: 3,873,538 km (0.075 R)
• M7: 4,426,751 km (0.112 R)
• M8: 5,265,845 km (0.109 R)
• M9: 5,882,188 km (0.118 R)
• M10: 6,297,173 km (0.102 R)
• M11: 7,186,383 km (0.098 R)
• M12: 7,972,220 km (0.067 R)
• M13: 8,927,552 km (0.096 R)
• M14: 9,775,622 km (0.073 R)
• M15: 10,266,154 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 14.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.82 AU - 2.94 AU

Year: 2409 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,319,326 km

• M1: 179,069 km (0.067 R)
• M2: 2,389,527 km (0.065 R)
• M3: 2,921,796 km (0.096 R)
• M4: 3,651,834 km (0.07 R)
• M5: 4,363,919 km (0.105 R)
• M6: 5,433,544 km (0.062 R)
• M7: 6,091,625 km (0.08 R)
• M8: 7,042,469 km (0.066 R)
• M9: 9,045,884 km (0.117 R)
• M10: 10,998,435 km (0.119 R)
• M11: 13,892,107 km (0.114 R)
• M12: 14,900,546 km (0.04 R)
• M13: 15,584,059 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.6

Radius: 11.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.59 AU - 3.13 AU

Year: 3173 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,319,326 km

• M1: 139,276 km (0.093 R)
• M2: 691,591 km (0.064 R)
• M3: 1,530,536 km (0.087 R)
• M4: 2,096,465 km (0.095 R)
• M5: 2,661,197 km (0.078 R)
• M6: 3,086,802 km (0.106 R)
• M7: 4,428,695 km (0.113 R)
• M8: 5,485,156 km (0.075 R)
• M9: 5,838,207 km (0.088 R)
• M10: 6,396,057 km (0.095 R)
• M11: 7,314,588 km (0.119 R)
• M12: 8,156,076 km (0.119 R)
• M13: 8,583,776 km (0.101 R)
• M14: 10,522,864 km (0.049 R)
• M15: 13,632,405 km (0.101 R)
• M16: 14,424,975 km (0.117 R)
• M17: 16,567,067 km (0.066 R)
• M18: 17,523,745 km (0.089 R)
• M19: 18,629,572 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 13.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.79 AU - 3.39 AU

Year: 3563 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,319,326 km

• M1: 165,904 km (0.053 R)
• M2: 584,030 km (0.11 R)
• M3: 1,083,238 km (0.11 R)
• M4: 1,625,381 km (0.12 R)
• M5: 2,232,299 km (0.117 R)
• M6: 4,909,054 km (0.077 R)
• M7: 5,550,530 km (0.083 R)
• M8: 6,877,313 km (0.063 R)
• M9: 7,582,368 km (0.08 R)
• M10: 8,913,340 km (0.054 R)
• M11: 9,989,697 km (0.098 R)
• M12: 10,768,354 km (0.085 R)
• M13: 11,675,515 km (0.116 R)
• M14: 12,916,131 km (0.108 R)
• M15: 13,494,925 km (0.028 R)
• M16: 14,090,923 km (0.088 R)
• M17: 18,044,046 km (0.108 R)
• M18: 20,532,607 km (0.082 R)
• M19: 23,030,891 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 6.1

Gravity: 24.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.54 AU - 7.94 AU

Year: 11479 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,319,326 km

• M1: 83,924 km (0.07 R)
• M2: 373,845 km (0.057 R)
• M3: 616,493 km (0.102 R)
• M4: 964,457 km (0.064 R)
• M5: 1,183,768 km (0.092 R)
• M6: 1,408,165 km (0.061 R)
• M7: 2,220,332 km (0.113 R)
• M8: 2,806,157 km (0.102 R)
• M9: 3,437,759 km (0.101 R)
• M10: 3,927,692 km (0.08 R)
• M11: 4,879,135 km (0.076 R)
• M12: 6,205,320 km (0.093 R)
• M13: 9,290,776 km (0.084 R)
• M14: 9,651,755 km (0.113 R)
• M15: 10,904,039 km (0.116 R)
• M16: 13,139,929 km (0.12 R)
• M17: 14,467,460 km (0.074 R)
• M18: 15,664,243 km (0.075 R)
• M19: 18,013,977 km (0.107 R)
• M20: 20,415,771 km (0.104 R)
• M21: 24,552,003 km (0.093 R)
• M22: 26,046,036 km (0.037 R)
• M23: 26,351,964 km (0.078 R)
• M24: 27,284,258 km (0.116 R)
• M25: 27,811,441 km (0.108 R)
• M26: 28,886,302 km (0.056 R)
• M27: 31,004,458 km (0.063 R)
• M28: 33,224,042 km (0.064 R)
• M29: 34,311,468 km (0.025 R)
• M30: 36,429,774 km (0.099 R)
• M31: 40,106,292 km (0.11 R)
• M32: 47,576,312 km (0.098 R)
• M33: 49,111,784 km (0.089 R)
• M34: 51,797,365 km (0.095 R)
• M35: 53,586,406 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.4

Radius: 5.3

Gravity: 29.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.68 AU - 10.8 AU

Year: 16950 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,319,326 km

• M1: 65,973 km (0.11 R)
• M2: 260,151 km (0.12 R)
• M3: 523,742 km (0.083 R)
• M4: 957,127 km (0.046 R)
• M5: 1,381,088 km (0.119 R)
• M6: 1,847,534 km (0.118 R)
• M7: 2,240,677 km (0.094 R)
• M8: 2,412,864 km (0.058 R)
• M9: 5,460,771 km (0.113 R)
• M10: 5,655,248 km (0.079 R)
• M11: 6,266,804 km (0.09 R)
• M12: 8,011,714 km (0.092 R)
• M13: 9,377,094 km (0.094 R)
• M14: 9,769,788 km (0.091 R)
• M15: 11,199,345 km (0.039 R)
• M16: 20,289,959 km (0.113 R)
• M17: 22,006,146 km (0.087 R)
• M18: 25,399,774 km (0.071 R)
• M19: 25,615,943 km (0.088 R)
• M20: 27,503,718 km (0.058 R)
• M21: 27,731,705 km (0.116 R)
• M22: 28,890,790 km (0.079 R)
• M23: 34,507,741 km (0.118 R)
• M24: 36,119,957 km (0.098 R)
• M25: 39,638,499 km (0.066 R)
• M26: 40,075,474 km (0.059 R)
• M27: 42,612,654 km (0.058 R)
• M28: 48,500,826 km (0.058 R)
• M29: 51,379,089 km (0.112 R)
• M30: 52,072,476 km (0.106 R)
• M31: 53,477,948 km (0.119 R)
• M32: 59,163,415 km (0.114 R)
• M33: 59,353,105 km (0.093 R)
• M34: 63,831,915 km (0.089 R)
• M35: 66,051,499 km (0.114 R)
• M36: 66,871,146 km (0.1 R)
• M37: 69,793,540 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.1

Radius: 3.7

Gravity: 43.76 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.9 AU - 10.84 AU

Year: 21907 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 77,319,326 km

• M1: 54,005 km (0.089 R)
• M2: 211,831 km (0.09 R)
• M3: 374,593 km (0.03 R)
• M4: 504,294 km (0.071 R)
• M5: 824,733 km (0.072 R)
• M6: 1,036,115 km (0.093 R)
• M7: 1,297,462 km (0.101 R)
• M8: 1,550,133 km (0.109 R)
• M9: 1,670,709 km (0.089 R)
• M10: 2,797,779 km (0.09 R)
• M11: 3,359,071 km (0.103 R)
• M12: 3,681,454 km (0.093 R)
• M13: 3,834,493 km (0.113 R)
• M14: 4,387,406 km (0.12 R)
• M15: 5,771,037 km (0.116 R)
• M16: 6,146,977 km (0.074 R)
• M17: 6,494,792 km (0.113 R)
• M18: 7,040,674 km (0.115 R)
• M19: 7,966,835 km (0.119 R)
• M20: 8,171,634 km (0.093 R)
• M21: 8,485,490 km (0.088 R)
• M22: 10,236,234 km (0.074 R)
• M23: 10,356,810 km (0.045 R)
• M24: 11,746,724 km (0.063 R)
• M25: 16,820,635 km (0.103 R)
• M26: 20,113,434 km (0.062 R)
• M27: 21,267,132 km (0.097 R)
• M28: 22,668,117 km (0.08 R)
• M29: 23,079,511 km (0.106 R)
• M30: 28,529,062 km (0.076 R)
• M31: 33,170,037 km (0.071 R)
• M32: 34,641,033 km (0.111 R)
• M33: 36,294,687 km (0.073 R)
• M34: 39,609,926 km (0.11 R)
• M35: 41,877,381 km (0.039 R)
• M36: 59,242,103 km (0.115 R)
• M37: 61,402,745 km (0.113 R)
• M38: 62,402,059 km (0.116 R)
• M39: 63,615,447 km (0.089 R)
• M40: 64,023,401 km (0.09 R)
• M41: 65,050,839 km (0.068 R)
• M42: 69,486,266 km (0.072 R)
• M43: 75,251,619 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 10,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit