🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 12.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.46 AU - 1.66 AU

Year: 1345 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,588,759 km

• M1: 153,039 km (0.107 R)
• M2: 586,573 km (0.116 R)
• M3: 1,049,279 km (0.083 R)
• M4: 1,770,491 km (0.055 R)
• M5: 2,534,188 km (0.102 R)
• M6: 3,014,547 km (0.076 R)
• M7: 3,806,967 km (0.117 R)
• M8: 4,894,992 km (0.114 R)
• M9: 5,380,138 km (0.067 R)
• M10: 5,828,034 km (0.063 R)
• M11: 8,424,006 km (0.028 R)
• M12: 10,059,110 km (0.104 R)
• M13: 11,309,001 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 12.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.68 AU - 2.1 AU

Year: 1794 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,588,759 km

• M1: 159,322 km (0.08 R)
• M2: 1,218,624 km (0.11 R)
• M3: 1,777,223 km (0.097 R)
• M4: 2,492,600 km (0.08 R)
• M5: 3,226,676 km (0.108 R)
• M6: 4,084,620 km (0.04 R)
• M7: 4,619,881 km (0.065 R)
• M8: 6,018,622 km (0.09 R)
• M9: 7,034,989 km (0.082 R)
• M10: 8,662,016 km (0.066 R)
• M11: 9,780,709 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.2

Radius: 10.1

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.92 AU - 1.96 AU

Year: 1865 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,588,759 km

• M1: 134,788 km (0.107 R)
• M2: 540,198 km (0.064 R)
• M3: 1,007,691 km (0.057 R)
• M4: 1,370,017 km (0.086 R)
• M5: 1,727,855 km (0.066 R)
• M6: 2,613,026 km (0.106 R)
• M7: 3,075,134 km (0.118 R)
• M8: 3,486,528 km (0.119 R)
• M9: 4,385,611 km (0.12 R)
• M10: 4,908,605 km (0.079 R)
• M11: 6,592,030 km (0.082 R)
• M12: 7,037,084 km (0.096 R)
• M13: 7,427,235 km (0.12 R)
• M14: 8,118,527 km (0.058 R)
• M15: 8,493,569 km (0.069 R)
• M16: 9,049,474 km (0.089 R)
• M17: 10,703,728 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 9.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.61 AU - 2.61 AU

Year: 2116 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,588,759 km

• M1: 118,182 km (0.094 R)
• M2: 461,809 km (0.101 R)
• M3: 852,409 km (0.115 R)
• M4: 1,513,631 km (0.079 R)
• M5: 1,941,930 km (0.093 R)
• M6: 2,252,346 km (0.104 R)
• M7: 2,684,534 km (0.114 R)
• M8: 3,391,085 km (0.035 R)
• M9: 3,960,903 km (0.049 R)
• M10: 4,429,144 km (0.073 R)
• M11: 5,031,575 km (0.112 R)
• M12: 6,239,129 km (0.113 R)
• M13: 6,658,003 km (0.113 R)
• M14: 8,191,082 km (0.097 R)
• M15: 8,552,211 km (0.098 R)
• M16: 9,365,874 km (0.117 R)
• M17: 9,822,596 km (0.092 R)
• M18: 11,487,620 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 9.4

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.4 AU - 3.7 AU

Year: 3677 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,588,759 km

• M1: 116,986 km (0.054 R)
• M2: 460,761 km (0.088 R)
• M3: 1,040,154 km (0.065 R)
• M4: 1,496,577 km (0.111 R)
• M5: 2,255,487 km (0.1 R)
• M6: 2,630,379 km (0.085 R)
• M7: 3,120,013 km (0.038 R)
• M8: 3,587,357 km (0.076 R)
• M9: 3,967,934 km (0.087 R)
• M10: 4,328,614 km (0.1 R)
• M11: 4,911,148 km (0.12 R)
• M12: 5,327,779 km (0.049 R)
• M13: 6,055,123 km (0.049 R)
• M14: 6,752,549 km (0.114 R)
• M15: 7,468,674 km (0.094 R)
• M16: 9,013,721 km (0.074 R)
• M17: 9,440,972 km (0.098 R)
• M18: 9,800,605 km (0.093 R)
• M19: 10,378,203 km (0.087 R)
• M20: 11,242,430 km (0.101 R)
• M21: 12,918,075 km (0.102 R)
• M22: 13,562,094 km (0.115 R)
• M23: 15,734,255 km (0.116 R)
• M24: 18,622,541 km (0.105 R)
• M25: 19,766,815 km (0.107 R)
• M26: 20,822,827 km (0.091 R)
• M27: 21,228,387 km (0.062 R)
• M28: 23,335,772 km (0.066 R)
• M29: 23,920,400 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 9.4

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.83 AU - 4.25 AU

Year: 5605 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,588,759 km

• M1: 116,836 km (0.115 R)
• M2: 525,537 km (0.094 R)
• M3: 845,228 km (0.052 R)
• M4: 1,939,387 km (0.12 R)
• M5: 2,702,635 km (0.06 R)
• M6: 3,451,821 km (0.114 R)
• M7: 4,813,311 km (0.05 R)
• M8: 5,507,894 km (0.084 R)
• M9: 5,816,515 km (0.088 R)
• M10: 6,953,459 km (0.107 R)
• M11: 8,311,957 km (0.03 R)
• M12: 8,677,724 km (0.056 R)
• M13: 9,054,112 km (0.119 R)
• M14: 9,397,738 km (0.098 R)
• M15: 10,956,997 km (0.096 R)
• M16: 11,596,378 km (0.116 R)
• M17: 11,899,763 km (0.11 R)
• M18: 16,279,988 km (0.083 R)
• M19: 17,112,500 km (0.051 R)
• M20: 17,973,137 km (0.085 R)
• M21: 19,001,772 km (0.114 R)
• M22: 20,951,331 km (0.116 R)
• M23: 21,629,907 km (0.071 R)
• M24: 26,972,496 km (0.119 R)
• M25: 27,865,595 km (0.12 R)
• M26: 31,931,965 km (0.055 R)
• M27: 34,677,834 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.2

Radius: 3.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.24 AU - 6.14 AU

Year: 9369 Days

Day: 23.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,588,759 km

• M1: 131,048 km (0.044 R)
• M2: 570,267 km (0.099 R)
• M3: 695,630 km (0.072 R)
• M4: 1,019,210 km (0.081 R)
• M5: 1,170,454 km (0.091 R)
• M6: 1,317,359 km (0.096 R)
• M7: 1,774,231 km (0.118 R)
• M8: 2,860,012 km (0.104 R)
• M9: 3,025,617 km (0.08 R)
• M10: 3,232,511 km (0.06 R)
• M11: 5,170,402 km (0.083 R)
• M12: 5,366,524 km (0.116 R)
• M13: 5,905,077 km (0.071 R)
• M14: 7,547,213 km (0.069 R)
• M15: 8,188,838 km (0.102 R)
• M16: 12,511,169 km (0.074 R)
• M17: 14,684,527 km (0.038 R)
• M18: 17,205,102 km (0.049 R)
• M19: 18,311,827 km (0.12 R)
• M20: 19,406,434 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23

Radius: 5.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.09 AU - 6.45 AU

Year: 9567 Days

Day: 17 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,588,759 km

• M1: 70,909 km (0.057 R)
• M2: 1,159,982 km (0.109 R)
• M3: 1,610,271 km (0.059 R)
• M4: 2,382,795 km (0.114 R)
• M5: 8,552,510 km (0.108 R)
• M6: 9,442,618 km (0.11 R)
• M7: 10,783,164 km (0.064 R)
• M8: 11,036,583 km (0.061 R)
• M9: 13,004,094 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.4

Radius: 7.4

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.12 AU - 7.9 AU

Year: 14206 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,588,759 km

• M1: 94,695 km (0.039 R)
• M2: 470,934 km (0.039 R)
• M3: 1,124,826 km (0.091 R)
• M4: 2,279,423 km (0.104 R)
• M5: 2,586,846 km (0.08 R)
• M6: 3,552,949 km (0.047 R)
• M7: 3,808,612 km (0.116 R)
• M8: 4,771,274 km (0.043 R)
• M9: 6,246,609 km (0.1 R)
• M10: 6,620,304 km (0.094 R)
• M11: 7,088,246 km (0.111 R)
• M12: 12,517,901 km (0.084 R)
• M13: 13,233,428 km (0.1 R)
• M14: 15,141,399 km (0.091 R)
• M15: 17,153,191 km (0.102 R)
• M16: 17,444,009 km (0.063 R)
• M17: 18,260,664 km (0.037 R)
• M18: 21,614,499 km (0.111 R)
• M19: 22,383,133 km (0.111 R)
• M20: 22,730,499 km (0.099 R)
• M21: 24,798,241 km (0.115 R)
• M22: 26,020,754 km (0.106 R)
• M23: 31,422,434 km (0.092 R)
• M24: 32,187,328 km (0.11 R)
• M25: 32,630,138 km (0.066 R)
• M26: 40,661,898 km (0.082 R)
• M27: 42,095,195 km (0.075 R)
• M28: 46,034,706 km (0.075 R)
• M29: 46,879,485 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 7.2

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.96 AU - 11.12 AU

Year: 18761 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,588,759 km

• M1: 89,609 km (0.066 R)
• M2: 315,352 km (0.116 R)
• M3: 572,661 km (0.103 R)
• M4: 922,420 km (0.082 R)
• M5: 1,367,923 km (0.034 R)
• M6: 2,490,505 km (0.042 R)
• M7: 3,202,142 km (0.065 R)
• M8: 3,564,917 km (0.119 R)
• M9: 4,853,254 km (0.118 R)
• M10: 5,403,625 km (0.03 R)
• M11: 6,587,841 km (0.075 R)
• M12: 8,311,658 km (0.116 R)
• M13: 9,098,842 km (0.12 R)
• M14: 17,040,245 km (0.105 R)
• M15: 17,429,648 km (0.092 R)
• M16: 19,297,677 km (0.089 R)
• M17: 22,763,410 km (0.091 R)
• M18: 24,791,359 km (0.066 R)
• M19: 27,147,226 km (0.081 R)
• M20: 30,438,978 km (0.09 R)
• M21: 30,667,563 km (0.116 R)
• M22: 32,299,078 km (0.092 R)
• M23: 33,987,589 km (0.066 R)
• M24: 34,233,528 km (0.113 R)
• M25: 36,116,068 km (0.088 R)
• M26: 39,949,363 km (0.065 R)
• M27: 41,611,845 km (0.103 R)
• M28: 44,926,485 km (0.113 R)
• M29: 47,027,886 km (0.091 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: 554 - 19,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit