🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.58 AU - 0.7 AU

Year: 326 Days

Day: 23.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,257,890 km

• M1: 98,435 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.3

Radius: 10.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.93 AU

Year: 464 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,257,890 km

• M1: 129,402 km (0.066 R)
• M2: 503,995 km (0.03 R)
• M3: 871,557 km (0.055 R)
• M4: 1,311,674 km (0.119 R)
• M5: 1,759,869 km (0.032 R)
• M6: 2,577,871 km (0.065 R)
• M7: 2,948,873 km (0.071 R)
• M8: 3,596,482 km (0.097 R)
• M9: 3,923,204 km (0.093 R)
• M10: 4,609,110 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.3

Radius: 9.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.76 AU - 2.5 AU

Year: 1977 Days

Day: 13.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,257,890 km

• M1: 123,418 km (0.092 R)
• M2: 658,231 km (0.077 R)
• M3: 1,132,456 km (0.107 R)
• M4: 1,770,491 km (0.095 R)
• M5: 3,582,869 km (0.028 R)
• M6: 4,545,830 km (0.12 R)
• M7: 5,068,525 km (0.12 R)
• M8: 5,384,925 km (0.04 R)
• M9: 5,799,161 km (0.056 R)
• M10: 6,460,234 km (0.065 R)
• M11: 10,134,358 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 9.3

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.54 AU - 4.24 AU

Year: 3969 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,257,890 km

• M1: 117,285 km (0.117 R)
• M2: 438,471 km (0.034 R)
• M3: 836,551 km (0.114 R)
• M4: 1,138,739 km (0.103 R)
• M5: 1,462,768 km (0.079 R)
• M6: 2,730,610 km (0.039 R)
• M7: 3,247,471 km (0.117 R)
• M8: 3,549,209 km (0.069 R)
• M9: 3,911,087 km (0.092 R)
• M10: 4,297,498 km (0.066 R)
• M11: 5,428,159 km (0.076 R)
• M12: 5,773,281 km (0.075 R)
• M13: 6,076,815 km (0.079 R)
• M14: 6,626,288 km (0.067 R)
• M15: 7,271,803 km (0.115 R)
• M16: 7,659,112 km (0.09 R)
• M17: 8,940,866 km (0.118 R)
• M18: 9,690,501 km (0.102 R)
• M19: 10,001,814 km (0.1 R)
• M20: 10,934,408 km (0.118 R)
• M21: 13,639,287 km (0.053 R)
• M22: 14,785,057 km (0.107 R)
• M23: 15,146,186 km (0.116 R)
• M24: 15,778,985 km (0.076 R)
• M25: 18,016,072 km (0.118 R)
• M26: 18,368,973 km (0.075 R)
• M27: 19,210,311 km (0.057 R)
• M28: 20,969,882 km (0.07 R)
• M29: 22,089,173 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.2

Radius: 11.4

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.72 AU - 3.74 AU

Year: 4580 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,257,890 km

• M1: 141,819 km (0.05 R)
• M2: 553,213 km (0.087 R)
• M3: 1,005,298 km (0.12 R)
• M4: 1,619,397 km (0.116 R)
• M5: 2,538,077 km (0.118 R)
• M6: 3,775,102 km (0.109 R)
• M7: 4,330,858 km (0.094 R)
• M8: 5,693,994 km (0.081 R)
• M9: 6,394,860 km (0.119 R)
• M10: 7,606,453 km (0.083 R)
• M11: 8,380,622 km (0.09 R)
• M12: 9,493,630 km (0.113 R)
• M13: 10,568,342 km (0.12 R)
• M14: 11,251,106 km (0.089 R)
• M15: 12,958,766 km (0.108 R)
• M16: 13,582,140 km (0.11 R)
• M17: 15,515,244 km (0.119 R)
• M18: 16,040,632 km (0.104 R)
• M19: 16,457,411 km (0.119 R)
• M20: 16,820,485 km (0.109 R)
• M21: 21,532,519 km (0.112 R)
• M22: 29,120,722 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.37 AU - 4.83 AU

Year: 6273 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,257,890 km

• M1: 112,049 km (0.103 R)
• M2: 528,380 km (0.076 R)
• M3: 839,842 km (0.064 R)
• M4: 1,210,845 km (0.109 R)
• M5: 1,492,239 km (0.1 R)
• M6: 2,344,049 km (0.048 R)
• M7: 2,768,458 km (0.108 R)
• M8: 3,221,889 km (0.056 R)
• M9: 4,095,691 km (0.04 R)
• M10: 4,383,816 km (0.078 R)
• M11: 4,856,096 km (0.096 R)
• M12: 8,309,713 km (0.093 R)
• M13: 9,985,957 km (0.103 R)
• M14: 10,461,977 km (0.109 R)
• M15: 10,804,257 km (0.087 R)
• M16: 11,357,321 km (0.072 R)
• M17: 12,141,513 km (0.067 R)
• M18: 13,759,563 km (0.084 R)
• M19: 16,220,598 km (0.119 R)
• M20: 17,147,207 km (0.079 R)
• M21: 17,969,098 km (0.101 R)
• M22: 21,053,507 km (0.091 R)
• M23: 23,047,946 km (0.115 R)
• M24: 24,388,492 km (0.119 R)
• M25: 25,427,599 km (0.102 R)
• M26: 29,393,738 km (0.099 R)
• M27: 30,076,203 km (0.095 R)
• M28: 30,869,072 km (0.063 R)
• M29: 31,981,781 km (0.041 R)
• M30: 37,835,396 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 11.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.43 AU - 6.85 AU

Year: 8516 Days

Day: 7 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,257,890 km

• M1: 146,756 km (0.099 R)
• M2: 640,129 km (0.102 R)
• M3: 1,196,633 km (0.058 R)
• M4: 2,197,294 km (0.104 R)
• M5: 2,803,913 km (0.093 R)
• M6: 3,519,888 km (0.076 R)
• M7: 4,258,004 km (0.111 R)
• M8: 4,651,746 km (0.115 R)
• M9: 6,637,508 km (0.063 R)
• M10: 8,545,479 km (0.073 R)
• M11: 9,419,280 km (0.078 R)
• M12: 12,202,698 km (0.088 R)
• M13: 13,995,479 km (0.117 R)
• M14: 14,982,975 km (0.116 R)
• M15: 15,840,919 km (0.101 R)
• M16: 16,550,611 km (0.074 R)
• M17: 18,225,060 km (0.046 R)
• M18: 19,004,315 km (0.056 R)
• M19: 19,603,305 km (0.086 R)
• M20: 20,490,570 km (0.096 R)
• M21: 22,053,120 km (0.119 R)
• M22: 24,778,943 km (0.053 R)
• M23: 25,333,951 km (0.101 R)
• M24: 28,492,710 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 11.6

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.91 AU - 6.07 AU

Year: 9321 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,257,890 km

• M1: 144,212 km (0.114 R)
• M2: 745,745 km (0.066 R)
• M3: 1,145,920 km (0.071 R)
• M4: 1,593,068 km (0.11 R)
• M5: 2,174,255 km (0.089 R)
• M6: 2,684,235 km (0.077 R)
• M7: 3,226,976 km (0.092 R)
• M8: 4,219,408 km (0.063 R)
• M9: 6,458,738 km (0.077 R)
• M10: 7,234,254 km (0.107 R)
• M11: 7,686,787 km (0.057 R)
• M12: 8,070,955 km (0.079 R)
• M13: 9,253,526 km (0.118 R)
• M14: 9,639,788 km (0.068 R)
• M15: 10,916,605 km (0.045 R)
• M16: 11,513,052 km (0.117 R)
• M17: 13,929,207 km (0.088 R)
• M18: 14,373,064 km (0.063 R)
• M19: 15,356,371 km (0.096 R)
• M20: 15,761,931 km (0.102 R)
• M21: 17,972,987 km (0.068 R)
• M22: 20,709,432 km (0.112 R)
• M23: 24,346,156 km (0.085 R)
• M24: 25,458,715 km (0.082 R)
• M25: 25,836,899 km (0.115 R)
• M26: 33,531,166 km (0.11 R)
• M27: 34,791,678 km (0.063 R)
• M28: 36,083,455 km (0.116 R)
• M29: 37,529,019 km (0.085 R)
• M30: 39,389,568 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 13.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.09 AU - 7.05 AU

Year: 9509 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,257,890 km

• M1: 173,384 km (0.063 R)
• M2: 622,178 km (0.061 R)
• M3: 1,767,349 km (0.101 R)
• M4: 3,414,721 km (0.027 R)
• M5: 5,070,171 km (0.074 R)
• M6: 6,198,887 km (0.045 R)
• M7: 8,254,063 km (0.102 R)
• M8: 9,030,625 km (0.09 R)
• M9: 17,040,394 km (0.101 R)
• M10: 20,653,332 km (0.031 R)
• M11: 24,433,820 km (0.103 R)
• M12: 27,112,370 km (0.118 R)
• M13: 29,891,300 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.8

Radius: 6

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.85 AU - 7.73 AU

Year: 11250 Days

Day: 23.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,257,890 km

• M1: 74,649 km (0.11 R)
• M2: 478,414 km (0.116 R)
• M3: 1,101,938 km (0.117 R)
• M4: 1,311,076 km (0.052 R)
• M5: 1,968,259 km (0.065 R)
• M6: 2,278,974 km (0.111 R)
• M7: 2,568,446 km (0.12 R)
• M8: 3,744,435 km (0.11 R)
• M9: 4,148,349 km (0.115 R)
• M10: 5,565,490 km (0.085 R)
• M11: 6,717,992 km (0.107 R)
• M12: 7,064,460 km (0.063 R)
• M13: 7,386,544 km (0.111 R)
• M14: 10,325,395 km (0.063 R)
• M15: 10,881,151 km (0.07 R)
• M16: 11,801,327 km (0.102 R)
• M17: 12,203,895 km (0.058 R)
• M18: 13,412,496 km (0.109 R)
• M19: 13,962,119 km (0.105 R)
• M20: 16,249,620 km (0.103 R)
• M21: 18,237,327 km (0.093 R)
• M22: 21,850,714 km (0.084 R)
• M23: 24,346,006 km (0.094 R)
• M24: 25,328,715 km (0.108 R)
• M25: 27,548,298 km (0.048 R)
• M26: 29,524,935 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 13,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit