🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 12.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.63 AU

Year: 265 Days

Day: 13.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,085,813 km

• M1: 157,975 km (0.071 R)
• M2: 555,606 km (0.028 R)
• M3: 997,219 km (0.065 R)
• M4: 1,477,578 km (0.04 R)
• M5: 1,889,571 km (0.116 R)
• M6: 2,492,001 km (0.09 R)
• M7: 3,018,735 km (0.117 R)
• M8: 3,672,628 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.6

Radius: 10.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.51 AU - 0.69 AU

Year: 310 Days

Day: 13.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,085,813 km

• M1: 128,056 km (0.065 R)
• M2: 477,666 km (0.105 R)
• M3: 800,797 km (0.083 R)
• M4: 1,189,004 km (0.101 R)
• M5: 1,592,170 km (0.093 R)
• M6: 2,568,595 km (0.12 R)
• M7: 2,952,464 km (0.118 R)
• M8: 3,353,984 km (0.09 R)
• M9: 3,725,436 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.5

Radius: 9.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.05 AU - 1.17 AU

Year: 780 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,085,813 km

• M1: 123,418 km (0.103 R)
• M2: 432,188 km (0.111 R)
• M3: 741,557 km (0.111 R)
• M4: 1,191,697 km (0.094 R)
• M5: 1,796,521 km (0.093 R)
• M6: 2,268,951 km (0.067 R)
• M7: 2,595,224 km (0.053 R)
• M8: 3,403,800 km (0.101 R)
• M9: 4,314,403 km (0.04 R)
• M10: 5,006,592 km (0.113 R)
• M11: 5,513,579 km (0.108 R)
• M12: 6,018,622 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 12.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.51 AU - 1.85 AU

Year: 1452 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,085,813 km

• M1: 153,039 km (0.111 R)
• M2: 583,731 km (0.086 R)
• M3: 974,331 km (0.086 R)
• M4: 1,611,468 km (0.114 R)
• M5: 2,206,868 km (0.114 R)
• M6: 2,652,520 km (0.082 R)
• M7: 3,583,467 km (0.099 R)
• M8: 4,029,718 km (0.087 R)
• M9: 6,131,269 km (0.092 R)
• M10: 6,748,510 km (0.1 R)
• M11: 7,354,531 km (0.114 R)
• M12: 9,119,785 km (0.088 R)
• M13: 11,465,480 km (0.111 R)
• M14: 12,515,208 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 10.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.41 AU - 2.17 AU

Year: 1597 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,085,813 km

• M1: 135,087 km (0.059 R)
• M2: 640,129 km (0.109 R)
• M3: 1,046,886 km (0.118 R)
• M4: 1,677,291 km (0.072 R)
• M5: 2,364,394 km (0.089 R)
• M6: 2,724,327 km (0.119 R)
• M7: 3,357,874 km (0.091 R)
• M8: 3,850,799 km (0.114 R)
• M9: 4,711,286 km (0.099 R)
• M10: 5,397,940 km (0.082 R)
• M11: 6,680,443 km (0.119 R)
• M12: 7,050,847 km (0.104 R)
• M13: 8,641,371 km (0.039 R)
• M14: 9,973,690 km (0.105 R)
• M15: 11,252,602 km (0.115 R)
• M16: 12,008,670 km (0.117 R)
• M17: 12,597,637 km (0.047 R)
• M18: 13,454,533 km (0.105 R)
• M19: 13,918,735 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.5

Radius: 11

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.69 AU - 4.61 AU

Year: 5638 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,085,813 km

• M1: 136,882 km (0.117 R)
• M2: 639,980 km (0.116 R)
• M3: 1,894,657 km (0.116 R)
• M4: 3,030,853 km (0.089 R)
• M5: 4,141,318 km (0.106 R)
• M6: 4,641,424 km (0.065 R)
• M7: 5,205,856 km (0.104 R)
• M8: 6,002,166 km (0.063 R)
• M9: 6,701,835 km (0.103 R)
• M10: 10,326,442 km (0.072 R)
• M11: 12,801,090 km (0.091 R)
• M12: 13,488,342 km (0.068 R)
• M13: 14,055,767 km (0.079 R)
• M14: 16,062,772 km (0.084 R)
• M15: 16,593,097 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 13.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.32 AU - 5.94 AU

Year: 7748 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,085,813 km

• M1: 169,943 km (0.036 R)
• M2: 662,120 km (0.11 R)
• M3: 2,174,405 km (0.111 R)
• M4: 4,502,148 km (0.087 R)
• M5: 7,412,874 km (0.1 R)
• M6: 9,648,913 km (0.099 R)
• M7: 13,099,837 km (0.104 R)
• M8: 13,930,554 km (0.071 R)
• M9: 17,733,332 km (0.079 R)
• M10: 18,428,363 km (0.047 R)
• M11: 19,075,823 km (0.056 R)
• M12: 19,538,080 km (0.115 R)
• M13: 22,911,961 km (0.11 R)
• M14: 25,445,401 km (0.113 R)
• M15: 28,933,126 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.1

Radius: 3.8

Gravity: 53.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.18 AU - 7.36 AU

Year: 13072 Days

Day: 17.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,085,813 km

• M1: 57,745 km (0.066 R)
• M2: 218,413 km (0.113 R)
• M3: 450,738 km (0.076 R)
• M4: 616,792 km (0.112 R)
• M5: 1,263,354 km (0.102 R)
• M6: 1,897,649 km (0.111 R)
• M7: 2,544,510 km (0.037 R)
• M8: 3,050,301 km (0.096 R)
• M9: 3,511,511 km (0.096 R)
• M10: 4,570,963 km (0.052 R)
• M11: 8,845,124 km (0.104 R)
• M12: 12,828,765 km (0.102 R)
• M13: 13,950,151 km (0.093 R)
• M14: 14,992,399 km (0.1 R)
• M15: 15,135,265 km (0.113 R)
• M16: 19,174,258 km (0.075 R)
• M17: 19,596,723 km (0.078 R)
• M18: 21,529,826 km (0.1 R)
• M19: 22,263,155 km (0.065 R)
• M20: 24,662,107 km (0.095 R)
• M21: 25,464,699 km (0.083 R)
• M22: 27,121,795 km (0.104 R)
• M23: 29,740,206 km (0.095 R)
• M24: 30,879,244 km (0.076 R)
• M25: 33,853,400 km (0.043 R)
• M26: 37,535,901 km (0.051 R)
• M27: 38,999,866 km (0.075 R)
• M28: 39,541,410 km (0.107 R)
• M29: 43,764,558 km (0.116 R)
• M30: 50,487,187 km (0.106 R)
• M31: 56,474,094 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825

Radius: 3.5

Gravity: 67.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.12 AU - 7.46 AU

Year: 13126 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 27,085,813 km

• M1: 43,533 km (0.107 R)
• M2: 162,912 km (0.104 R)
• M3: 298,448 km (0.088 R)
• M4: 469,289 km (0.102 R)
• M5: 593,305 km (0.079 R)
• M6: 1,044,642 km (0.12 R)
• M7: 1,327,980 km (0.113 R)
• M8: 1,502,860 km (0.08 R)
• M9: 2,917,757 km (0.068 R)
• M10: 3,723,491 km (0.107 R)
• M11: 4,192,780 km (0.11 R)
• M12: 6,508,704 km (0.116 R)
• M13: 6,842,307 km (0.117 R)
• M14: 7,363,955 km (0.103 R)
• M15: 7,864,958 km (0.089 R)
• M16: 8,485,939 km (0.113 R)
• M17: 8,833,455 km (0.082 R)
• M18: 10,715,097 km (0.086 R)
• M19: 11,003,971 km (0.081 R)
• M20: 12,718,811 km (0.042 R)
• M21: 13,978,874 km (0.097 R)
• M22: 15,319,720 km (0.038 R)
• M23: 15,834,635 km (0.093 R)
• M24: 22,374,606 km (0.062 R)
• M25: 24,799,886 km (0.105 R)
• M26: 27,502,222 km (0.06 R)
• M27: 28,261,880 km (0.095 R)
• M28: 31,558,419 km (0.105 R)
• M29: 33,605,217 km (0.067 R)
• M30: 34,223,654 km (0.103 R)
• M31: 35,228,952 km (0.113 R)
• M32: 35,610,876 km (0.118 R)
• M33: 37,562,380 km (0.09 R)
• M34: 42,247,037 km (0.083 R)
• M35: 43,695,593 km (0.056 R)
• M36: 44,136,608 km (0.08 R)
• M37: 54,603,223 km (0.055 R)
• M38: 55,801,651 km (0.075 R)
• M39: 61,136,611 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.3

Radius: 7.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 9.48 AU - 10.64 AU

Year: 21278 Days

Day: 15.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,085,813 km

• M1: 155,133 km (0.119 R)
• M2: 477,068 km (0.116 R)
• M3: 732,581 km (0.068 R)
• M4: 995,723 km (0.105 R)
• M5: 1,575,565 km (0.105 R)
• M6: 1,887,476 km (0.032 R)
• M7: 3,407,989 km (0.102 R)
• M8: 4,834,554 km (0.066 R)
• M9: 5,306,536 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 16,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit