🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.9 AU - 1 AU

Year: 391 Days

Day: 25.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.94 AU - 1 AU

Year: 403 Days

Day: 47.5 Hours

Environment

Temp: -44 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,135,471 km

• M1: 556,654 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.28 AU - 1.88 AU

Year: 838 Days

Day: 44.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,135,471 km

• M1: 66,122 km (0.088 R)

Asteroid Belt

Center: 2.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 14.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.82 AU - 3.96 AU

Year: 3236 Days

Day: 9 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,135,471 km

• M1: 176,525 km (0.081 R)
• M2: 1,417,739 km (0.109 R)
• M3: 2,193,404 km (0.069 R)
• M4: 2,688,124 km (0.035 R)
• M5: 3,701,949 km (0.103 R)
• M6: 5,056,857 km (0.119 R)
• M7: 6,072,926 km (0.103 R)
• M8: 7,414,818 km (0.118 R)
• M9: 8,260,944 km (0.12 R)
• M10: 9,747,648 km (0.053 R)
• M11: 10,554,878 km (0.083 R)
• M12: 13,538,607 km (0.046 R)
• M13: 14,085,687 km (0.11 R)
• M14: 16,145,201 km (0.117 R)
• M15: 18,098,500 km (0.03 R)
• M16: 19,443,534 km (0.049 R)
• M17: 20,012,605 km (0.096 R)
• M18: 24,023,324 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 8.3

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.67 AU - 4.15 AU

Year: 3261 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,135,471 km

• M1: 103,223 km (0.066 R)
• M2: 467,344 km (0.12 R)
• M3: 777,759 km (0.106 R)
• M4: 1,084,585 km (0.057 R)
• M5: 2,344,647 km (0.051 R)
• M6: 2,605,247 km (0.087 R)
• M7: 3,675,171 km (0.025 R)
• M8: 4,277,153 km (0.11 R)
• M9: 5,910,163 km (0.109 R)
• M10: 6,313,928 km (0.089 R)
• M11: 7,450,273 km (0.076 R)
• M12: 7,953,969 km (0.105 R)
• M13: 8,313,154 km (0.111 R)
• M14: 8,683,259 km (0.104 R)
• M15: 9,492,583 km (0.094 R)
• M16: 10,389,871 km (0.093 R)
• M17: 10,819,516 km (0.066 R)
• M18: 11,139,357 km (0.055 R)
• M19: 11,840,073 km (0.086 R)
• M20: 12,179,810 km (0.034 R)
• M21: 12,745,888 km (0.067 R)
• M22: 14,213,892 km (0.075 R)
• M23: 15,638,662 km (0.11 R)
• M24: 16,728,183 km (0.112 R)
• M25: 18,090,272 km (0.064 R)
• M26: 19,057,722 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.2

Radius: 14.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.83 AU - 6.03 AU

Year: 4617 Days

Day: 13.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,135,471 km

• M1: 178,321 km (0.078 R)
• M2: 940,073 km (0.101 R)
• M3: 1,755,681 km (0.097 R)
• M4: 2,753,199 km (0.119 R)
• M5: 3,495,055 km (0.064 R)
• M6: 5,986,907 km (0.1 R)
• M7: 9,005,941 km (0.093 R)
• M8: 12,361,721 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.7

Radius: 12

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.18 AU - 7.56 AU

Year: 6781 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,135,471 km

• M1: 149,299 km (0.09 R)
• M2: 621,280 km (0.114 R)
• M3: 1,444,667 km (0.1 R)
• M4: 2,214,796 km (0.075 R)
• M5: 3,398,864 km (0.078 R)
• M6: 4,002,192 km (0.114 R)
• M7: 5,055,361 km (0.091 R)
• M8: 5,550,829 km (0.091 R)
• M9: 9,743,309 km (0.074 R)
• M10: 14,549,291 km (0.093 R)
• M11: 14,983,723 km (0.104 R)
• M12: 16,009,366 km (0.086 R)
• M13: 17,775,069 km (0.081 R)
• M14: 29,368,306 km (0.05 R)
• M15: 32,318,675 km (0.104 R)
• M16: 39,638,798 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.2

Radius: 5.7

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 11.76 AU - 13.76 AU

Year: 19224 Days

Day: 24.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,135,471 km

• M1: 75,248 km (0.041 R)
• M2: 303,235 km (0.1 R)
• M3: 742,604 km (0.082 R)
• M4: 1,491,790 km (0.109 R)
• M5: 2,927,930 km (0.097 R)
• M6: 3,671,132 km (0.049 R)
• M7: 4,134,885 km (0.108 R)
• M8: 5,178,330 km (0.087 R)
• M9: 6,343,698 km (0.119 R)
• M10: 7,625,153 km (0.041 R)
• M11: 8,378,378 km (0.12 R)
• M12: 9,290,776 km (0.028 R)
• M13: 9,973,391 km (0.087 R)
• M14: 11,247,666 km (0.098 R)
• M15: 11,438,253 km (0.072 R)
• M16: 12,971,183 km (0.119 R)
• M17: 13,251,080 km (0.06 R)
• M18: 13,823,142 km (0.087 R)
• M19: 14,262,661 km (0.07 R)
• M20: 14,863,296 km (0.078 R)
• M21: 15,402,597 km (0.087 R)
• M22: 16,195,465 km (0.084 R)
• M23: 23,131,720 km (0.115 R)
• M24: 25,348,312 km (0.03 R)
• M25: 28,167,035 km (0.071 R)
• M26: 28,636,623 km (0.095 R)
• M27: 29,470,930 km (0.106 R)
• M28: 30,567,183 km (0.105 R)
• M29: 31,816,924 km (0.108 R)
• M30: 32,070,792 km (0.12 R)
• M31: 33,360,924 km (0.102 R)
• M32: 34,284,391 km (0.069 R)
• M33: 40,038,075 km (0.091 R)
• M34: 40,780,828 km (0.093 R)
• M35: 45,111,537 km (0.108 R)
• M36: 54,491,324 km (0.051 R)
• M37: 60,310,830 km (0.104 R)
• M38: 63,069,415 km (0.1 R)
• M39: 68,202,716 km (0.062 R)
• M40: 68,836,862 km (0.027 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.9

Radius: 7.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 15.99 AU - 17.89 AU

Year: 29406 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,135,471 km

• M1: 93,499 km (0.115 R)
• M2: 728,841 km (0.087 R)
• M3: 1,084,734 km (0.032 R)
• M4: 1,536,520 km (0.105 R)
• M5: 1,943,276 km (0.056 R)
• M6: 2,396,707 km (0.092 R)
• M7: 2,918,804 km (0.097 R)
• M8: 3,249,864 km (0.119 R)
• M9: 5,296,363 km (0.095 R)
• M10: 5,663,925 km (0.097 R)
• M11: 6,634,666 km (0.105 R)
• M12: 7,407,189 km (0.03 R)
• M13: 7,711,920 km (0.077 R)
• M14: 8,510,473 km (0.072 R)
• M15: 9,188,002 km (0.085 R)
• M16: 11,303,166 km (0.063 R)
• M17: 13,347,421 km (0.045 R)
• M18: 14,654,009 km (0.113 R)
• M19: 14,973,400 km (0.119 R)
• M20: 18,244,059 km (0.079 R)
• M21: 23,233,297 km (0.081 R)
• M22: 25,345,769 km (0.053 R)
• M23: 28,936,716 km (0.113 R)
• M24: 31,246,657 km (0.097 R)
• M25: 37,553,553 km (0.096 R)
• M26: 41,240,692 km (0.065 R)
• M27: 52,610,280 km (0.066 R)
• M28: 54,688,045 km (0.107 R)
• M29: 63,335,699 km (0.086 R)
• M30: 69,430,915 km (0.096 R)
• M31: 70,785,972 km (0.073 R)
• M32: 71,928,601 km (0.108 R)
• M33: 74,957,060 km (0.029 R)
• M34: 82,016,733 km (0.107 R)
• M35: 84,294,511 km (0.072 R)
• M36: 84,550,173 km (0.092 R)
• M37: 85,063,144 km (0.039 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 18,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit