🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.8

Radius: 14.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.56 AU - 0.9 AU

Year: 409 Days

Day: 8.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,252,621 km

• M1: 177,872 km (0.101 R)
• M2: 716,723 km (0.088 R)
• M3: 2,034,232 km (0.077 R)
• M4: 2,763,372 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 14.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.59 AU - 0.89 AU

Year: 418 Days

Day: 14.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,252,621 km

• M1: 185,352 km (0.068 R)
• M2: 766,689 km (0.091 R)
• M3: 1,331,271 km (0.059 R)
• M4: 2,255,786 km (0.108 R)
• M5: 2,933,465 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.4

Radius: 14.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.66 AU - 0.88 AU

Year: 443 Days

Day: 10.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,252,621 km

• M1: 175,628 km (0.087 R)
• M2: 690,394 km (0.099 R)
• M3: 1,147,416 km (0.086 R)
• M4: 1,614,460 km (0.109 R)
• M5: 2,122,943 km (0.057 R)
• M6: 2,854,627 km (0.089 R)
• M7: 3,690,879 km (0.113 R)
• M8: 4,283,137 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 14.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.06 AU - 1.54 AU

Year: 972 Days

Day: 11.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,252,621 km

• M1: 177,722 km (0.085 R)
• M2: 799,900 km (0.047 R)
• M3: 1,315,414 km (0.066 R)
• M4: 1,866,832 km (0.114 R)
• M5: 2,368,284 km (0.032 R)
• M6: 3,248,817 km (0.116 R)
• M7: 4,099,730 km (0.067 R)
• M8: 4,714,128 km (0.054 R)
• M9: 6,304,204 km (0.097 R)
• M10: 7,211,515 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 8.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.21 AU - 1.71 AU

Year: 1157 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,252,621 km

• M1: 112,348 km (0.119 R)
• M2: 383,719 km (0.089 R)
• M3: 770,728 km (0.104 R)
• M4: 1,163,273 km (0.107 R)
• M5: 1,514,529 km (0.095 R)
• M6: 1,960,929 km (0.057 R)
• M7: 2,396,408 km (0.093 R)
• M8: 3,281,130 km (0.116 R)
• M9: 4,128,452 km (0.113 R)
• M10: 4,908,905 km (0.117 R)
• M11: 5,526,594 km (0.111 R)
• M12: 5,801,705 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 14.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.57 AU - 1.81 AU

Year: 1441 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,252,621 km

• M1: 179,069 km (0.071 R)
• M2: 709,692 km (0.089 R)
• M3: 1,157,888 km (0.091 R)
• M4: 1,625,830 km (0.104 R)
• M5: 2,511,898 km (0.117 R)
• M6: 3,319,128 km (0.08 R)
• M7: 3,767,772 km (0.062 R)
• M8: 4,423,609 km (0.11 R)
• M9: 5,154,843 km (0.091 R)
• M10: 6,560,465 km (0.1 R)
• M11: 7,676,615 km (0.085 R)
• M12: 8,557,297 km (0.075 R)
• M13: 9,631,560 km (0.086 R)
• M14: 10,151,712 km (0.105 R)
• M15: 11,427,033 km (0.091 R)
• M16: 12,537,498 km (0.117 R)
• M17: 13,237,616 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 11.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.29 AU - 4.37 AU

Year: 4917 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,252,621 km

• M1: 148,700 km (0.104 R)
• M2: 531,372 km (0.075 R)
• M3: 1,198,429 km (0.032 R)
• M4: 2,229,307 km (0.052 R)
• M5: 2,743,924 km (0.069 R)
• M6: 3,130,335 km (0.112 R)
• M7: 4,176,922 km (0.092 R)
• M8: 6,247,057 km (0.119 R)
• M9: 9,030,924 km (0.109 R)
• M10: 10,577,916 km (0.105 R)
• M11: 11,292,545 km (0.1 R)
• M12: 15,307,752 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 12.4

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.21 AU - 4.99 AU

Year: 6472 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,252,621 km

• M1: 156,330 km (0.097 R)
• M2: 708,496 km (0.11 R)
• M3: 1,135,897 km (0.112 R)
• M4: 1,567,935 km (0.097 R)
• M5: 2,553,187 km (0.099 R)
• M6: 2,995,997 km (0.107 R)
• M7: 4,088,809 km (0.057 R)
• M8: 4,588,765 km (0.115 R)
• M9: 5,339,298 km (0.079 R)
• M10: 6,237,334 km (0.116 R)
• M11: 6,722,779 km (0.073 R)
• M12: 7,346,303 km (0.05 R)
• M13: 8,128,700 km (0.068 R)
• M14: 9,184,112 km (0.093 R)
• M15: 9,585,783 km (0.091 R)
• M16: 10,045,796 km (0.108 R)
• M17: 11,514,997 km (0.104 R)
• M18: 12,845,072 km (0.105 R)
• M19: 17,449,544 km (0.073 R)
• M20: 18,416,545 km (0.032 R)
• M21: 22,403,328 km (0.079 R)
• M22: 22,888,175 km (0.116 R)
• M23: 23,380,053 km (0.092 R)
• M24: 25,769,131 km (0.094 R)
• M25: 31,731,803 km (0.092 R)
• M26: 34,013,619 km (0.119 R)
• M27: 34,762,057 km (0.075 R)
• M28: 37,524,980 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 11

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.07 AU - 5.94 AU

Year: 7334 Days

Day: 14.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,252,621 km

• M1: 136,882 km (0.1 R)
• M2: 752,178 km (0.065 R)
• M3: 1,469,799 km (0.108 R)
• M4: 2,188,467 km (0.086 R)
• M5: 2,562,312 km (0.105 R)
• M6: 2,958,148 km (0.117 R)
• M7: 4,130,846 km (0.113 R)
• M8: 6,689,718 km (0.105 R)
• M9: 7,213,759 km (0.113 R)
• M10: 11,158,356 km (0.097 R)
• M11: 11,950,327 km (0.12 R)
• M12: 13,469,942 km (0.059 R)
• M13: 14,988,211 km (0.05 R)
• M14: 19,316,077 km (0.105 R)
• M15: 20,225,632 km (0.109 R)
• M16: 22,293,972 km (0.105 R)
• M17: 24,763,235 km (0.065 R)
• M18: 25,117,482 km (0.111 R)
• M19: 25,927,256 km (0.086 R)
• M20: 27,315,075 km (0.099 R)
• M21: 27,883,996 km (0.1 R)
• M22: 28,654,724 km (0.09 R)
• M23: 30,643,628 km (0.078 R)
• M24: 31,154,953 km (0.103 R)
• M25: 34,233,378 km (0.116 R)
• M26: 37,276,648 km (0.061 R)
• M27: 39,764,909 km (0.088 R)
• M28: 40,864,603 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 3.6

Gravity: 77.14 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.48 AU - 6.92 AU

Year: 11377 Days

Day: 18.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 59,252,621 km

• M1: 44,730 km (0.075 R)
• M2: 463,903 km (0.062 R)
• M3: 608,863 km (0.053 R)
• M4: 936,931 km (0.044 R)
• M5: 1,488,798 km (0.114 R)
• M6: 1,691,802 km (0.078 R)
• M7: 1,966,763 km (0.078 R)
• M8: 2,134,014 km (0.108 R)
• M9: 3,977,957 km (0.071 R)
• M10: 4,338,039 km (0.103 R)
• M11: 4,884,819 km (0.062 R)
• M12: 5,122,829 km (0.119 R)
• M13: 5,512,382 km (0.037 R)
• M14: 6,757,785 km (0.076 R)
• M15: 7,534,946 km (0.111 R)
• M16: 8,226,537 km (0.088 R)
• M17: 8,809,669 km (0.108 R)
• M18: 12,391,192 km (0.102 R)
• M19: 14,499,774 km (0.084 R)
• M20: 16,835,744 km (0.078 R)
• M21: 18,497,777 km (0.106 R)
• M22: 21,960,369 km (0.059 R)
• M23: 22,143,926 km (0.087 R)
• M24: 23,458,293 km (0.063 R)
• M25: 23,843,208 km (0.086 R)
• M26: 24,625,605 km (0.074 R)
• M27: 27,498,482 km (0.095 R)
• M28: 29,682,162 km (0.103 R)
• M29: 30,019,356 km (0.059 R)
• M30: 30,132,452 km (0.053 R)
• M31: 31,626,935 km (0.05 R)
• M32: 32,214,705 km (0.067 R)
• M33: 34,887,420 km (0.088 R)
• M34: 35,137,548 km (0.055 R)
• M35: 37,311,504 km (0.05 R)
• M36: 39,845,542 km (0.071 R)
• M37: 41,503,685 km (0.108 R)
• M38: 43,207,306 km (0.104 R)
• M39: 45,550,457 km (0.106 R)
• M40: 52,920,696 km (0.118 R)
• M41: 55,941,525 km (0.099 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: 259 - 10,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit