🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.3

Radius: 14.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.53 AU - 0.85 AU

Year: 382 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,470,913 km

• M1: 182,809 km (0.063 R)
• M2: 695,032 km (0.117 R)
• M3: 1,665,024 km (0.091 R)
• M4: 2,363,198 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.7

Radius: 12.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.49 AU - 1.77 AU

Year: 1388 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,470,913 km

• M1: 154,535 km (0.117 R)
• M2: 620,981 km (0.104 R)
• M3: 1,320,949 km (0.1 R)
• M4: 1,955,693 km (0.082 R)
• M5: 2,723,728 km (0.082 R)
• M6: 3,171,624 km (0.101 R)
• M7: 3,638,071 km (0.115 R)
• M8: 4,100,328 km (0.112 R)
• M9: 4,583,679 km (0.102 R)
• M10: 5,562,647 km (0.063 R)
• M11: 6,156,850 km (0.096 R)
• M12: 6,606,840 km (0.096 R)
• M13: 7,030,651 km (0.111 R)
• M14: 8,854,698 km (0.078 R)
• M15: 10,878,458 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 12.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.7 AU - 2.12 AU

Year: 1760 Days

Day: 14.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,470,913 km

• M1: 154,235 km (0.089 R)
• M2: 561,291 km (0.087 R)
• M3: 1,010,534 km (0.083 R)
• M4: 1,468,303 km (0.115 R)
• M5: 2,245,015 km (0.106 R)
• M6: 2,864,650 km (0.076 R)
• M7: 3,596,034 km (0.111 R)
• M8: 4,194,575 km (0.103 R)
• M9: 5,183,566 km (0.096 R)
• M10: 6,146,229 km (0.103 R)
• M11: 7,505,774 km (0.099 R)
• M12: 8,000,943 km (0.079 R)
• M13: 10,133,461 km (0.062 R)
• M14: 11,520,682 km (0.102 R)
• M15: 11,984,136 km (0.105 R)
• M16: 12,419,765 km (0.068 R)
• M17: 14,093,915 km (0.052 R)
• M18: 14,535,079 km (0.064 R)
• M19: 15,491,458 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.6 AU - 3.88 AU

Year: 3889 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,470,913 km

• M1: 129,402 km (0.087 R)
• M2: 536,159 km (0.096 R)
• M3: 878,140 km (0.039 R)
• M4: 1,353,113 km (0.096 R)
• M5: 1,719,029 km (0.116 R)
• M6: 2,474,798 km (0.111 R)
• M7: 3,115,824 km (0.091 R)
• M8: 3,724,987 km (0.113 R)
• M9: 4,324,276 km (0.055 R)
• M10: 5,107,421 km (0.11 R)
• M11: 6,427,622 km (0.098 R)
• M12: 7,929,884 km (0.099 R)
• M13: 8,467,688 km (0.039 R)
• M14: 9,101,684 km (0.031 R)
• M15: 9,653,850 km (0.047 R)
• M16: 10,150,365 km (0.113 R)
• M17: 11,572,143 km (0.117 R)
• M18: 12,045,321 km (0.098 R)
• M19: 12,576,095 km (0.089 R)
• M20: 13,308,077 km (0.075 R)
• M21: 13,684,615 km (0.096 R)
• M22: 14,262,661 km (0.091 R)
• M23: 14,857,013 km (0.101 R)
• M24: 15,936,811 km (0.086 R)
• M25: 18,136,947 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 8.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.48 AU - 6.26 AU

Year: 8298 Days

Day: 6.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,470,913 km

• M1: 103,223 km (0.11 R)
• M2: 395,986 km (0.109 R)
• M3: 665,411 km (0.117 R)
• M4: 975,977 km (0.112 R)
• M5: 1,298,061 km (0.108 R)
• M6: 1,665,772 km (0.06 R)
• M7: 2,363,946 km (0.068 R)
• M8: 3,617,277 km (0.106 R)
• M9: 5,237,122 km (0.071 R)
• M10: 5,693,246 km (0.086 R)
• M11: 6,395,010 km (0.073 R)
• M12: 7,969,976 km (0.09 R)
• M13: 9,330,270 km (0.064 R)
• M14: 10,392,265 km (0.025 R)
• M15: 11,770,510 km (0.082 R)
• M16: 12,553,655 km (0.102 R)
• M17: 13,423,118 km (0.078 R)
• M18: 13,739,368 km (0.12 R)
• M19: 14,773,987 km (0.064 R)
• M20: 15,396,164 km (0.113 R)
• M21: 17,181,914 km (0.11 R)
• M22: 18,641,391 km (0.12 R)
• M23: 20,666,946 km (0.114 R)
• M24: 21,230,930 km (0.08 R)
• M25: 23,135,012 km (0.092 R)
• M26: 26,036,911 km (0.115 R)
• M27: 27,702,534 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 13

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.06 AU - 6.72 AU

Year: 8345 Days

Day: 10.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,470,913 km

• M1: 162,762 km (0.043 R)
• M2: 919,429 km (0.055 R)
• M3: 1,575,266 km (0.106 R)
• M4: 2,674,660 km (0.103 R)
• M5: 3,382,857 km (0.1 R)
• M6: 4,633,196 km (0.076 R)
• M7: 6,066,044 km (0.094 R)
• M8: 6,942,089 km (0.081 R)
• M9: 9,221,213 km (0.087 R)
• M10: 10,341,850 km (0.082 R)
• M11: 14,579,360 km (0.038 R)
• M12: 15,696,706 km (0.096 R)
• M13: 16,199,953 km (0.051 R)
• M14: 16,662,061 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.2

Radius: 6.9

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.14 AU - 7.86 AU

Year: 12350 Days

Day: 15 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,470,913 km

• M1: 85,869 km (0.095 R)
• M2: 323,281 km (0.111 R)
• M3: 1,131,110 km (0.12 R)
• M4: 1,641,687 km (0.107 R)
• M5: 2,596,570 km (0.039 R)
• M6: 3,001,083 km (0.065 R)
• M7: 3,954,620 km (0.062 R)
• M8: 5,006,442 km (0.107 R)
• M9: 7,590,147 km (0.091 R)
• M10: 8,072,899 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.5

Radius: 3.6

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.84 AU - 8.66 AU

Year: 13018 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,470,913 km

• M1: 44,879 km (0.096 R)
• M2: 300,093 km (0.103 R)
• M3: 603,627 km (0.062 R)
• M4: 860,038 km (0.093 R)
• M5: 1,036,713 km (0.103 R)
• M6: 1,335,610 km (0.111 R)
• M7: 1,463,067 km (0.086 R)
• M8: 1,662,930 km (0.115 R)
• M9: 1,866,682 km (0.045 R)
• M10: 2,026,602 km (0.092 R)
• M11: 2,243,220 km (0.119 R)
• M12: 3,246,274 km (0.111 R)
• M13: 4,214,621 km (0.092 R)
• M14: 6,052,131 km (0.11 R)
• M15: 6,566,748 km (0.067 R)
• M16: 8,401,716 km (0.064 R)
• M17: 9,456,979 km (0.057 R)
• M18: 10,552,035 km (0.097 R)
• M19: 11,680,303 km (0.111 R)
• M20: 13,519,608 km (0.105 R)
• M21: 14,733,894 km (0.114 R)
• M22: 16,750,474 km (0.079 R)
• M23: 18,742,968 km (0.092 R)
• M24: 20,108,946 km (0.032 R)
• M25: 22,732,444 km (0.104 R)
• M26: 24,602,567 km (0.075 R)
• M27: 26,657,144 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.2

Radius: 3.4

Gravity: 52.7 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.91 AU - 9.15 AU

Year: 18095 Days

Day: 18.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,470,913 km

• M1: 42,336 km (0.113 R)
• M2: 250,876 km (0.086 R)
• M3: 703,260 km (0.097 R)
• M4: 999,763 km (0.09 R)
• M5: 2,683,786 km (0.029 R)
• M6: 3,885,505 km (0.079 R)
• M7: 5,711,946 km (0.108 R)
• M8: 6,029,841 km (0.072 R)
• M9: 9,772,182 km (0.104 R)
• M10: 10,694,602 km (0.093 R)
• M11: 10,933,959 km (0.089 R)
• M12: 11,799,981 km (0.119 R)
• M13: 12,380,121 km (0.089 R)
• M14: 13,878,194 km (0.09 R)
• M15: 23,606,394 km (0.089 R)
• M16: 30,667,563 km (0.098 R)
• M17: 32,754,903 km (0.065 R)
• M18: 43,249,642 km (0.033 R)
• M19: 55,243,053 km (0.076 R)
• M20: 59,810,425 km (0.087 R)
• M21: 61,132,871 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342

Radius: 5

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.67 AU - 11.59 AU

Year: 23112 Days

Day: 17.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,470,913 km

• M1: 64,776 km (0.093 R)
• M2: 256,411 km (0.09 R)
• M3: 532,269 km (0.102 R)
• M4: 859,739 km (0.093 R)
• M5: 1,340,397 km (0.096 R)
• M6: 1,632,113 km (0.042 R)
• M7: 2,217,938 km (0.104 R)
• M8: 3,648,991 km (0.095 R)
• M9: 4,031,812 km (0.097 R)
• M10: 4,672,689 km (0.101 R)
• M11: 6,526,207 km (0.089 R)
• M12: 7,134,472 km (0.102 R)
• M13: 7,827,409 km (0.069 R)
• M14: 11,724,584 km (0.086 R)
• M15: 13,494,177 km (0.092 R)
• M16: 14,914,459 km (0.116 R)
• M17: 15,660,653 km (0.067 R)
• M18: 15,889,239 km (0.091 R)
• M19: 16,826,170 km (0.071 R)
• M20: 17,634,597 km (0.032 R)
• M21: 19,857,173 km (0.117 R)
• M22: 20,395,276 km (0.117 R)
• M23: 21,973,085 km (0.097 R)
• M24: 23,431,066 km (0.069 R)
• M25: 23,630,330 km (0.114 R)
• M26: 25,369,106 km (0.037 R)
• M27: 28,756,151 km (0.077 R)
• M28: 32,432,669 km (0.09 R)
• M29: 33,682,409 km (0.081 R)
• M30: 36,811,997 km (0.105 R)
• M31: 42,449,443 km (0.091 R)
• M32: 44,856,622 km (0.076 R)
• M33: 48,474,198 km (0.025 R)
• M34: 51,942,625 km (0.065 R)
• M35: 54,693,730 km (0.099 R)
• M36: 56,105,036 km (0.113 R)
• M37: 56,999,332 km (0.026 R)
• M38: 61,047,301 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 11,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit