🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 15

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.09 AU

Year: 560 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,181,783 km

• M1: 186,549 km (0.117 R)
• M2: 680,970 km (0.049 R)
• M3: 1,396,347 km (0.065 R)
• M4: 2,269,400 km (0.111 R)
• M5: 2,757,986 km (0.102 R)
• M6: 3,459,152 km (0.06 R)
• M7: 3,981,398 km (0.118 R)
• M8: 4,509,179 km (0.075 R)
• M9: 5,032,622 km (0.075 R)
• M10: 6,183,329 km (0.095 R)
• M11: 7,347,799 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 11

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.61 AU - 1.71 AU

Year: 1403 Days

Day: 13.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,181,783 km

• M1: 136,882 km (0.106 R)
• M2: 490,083 km (0.087 R)
• M3: 877,541 km (0.105 R)
• M4: 1,292,077 km (0.097 R)
• M5: 1,699,581 km (0.052 R)
• M6: 2,192,955 km (0.106 R)
• M7: 2,680,046 km (0.107 R)
• M8: 3,140,209 km (0.111 R)
• M9: 3,591,396 km (0.097 R)
• M10: 3,986,634 km (0.094 R)
• M11: 4,428,396 km (0.076 R)
• M12: 4,771,873 km (0.119 R)
• M13: 6,625,540 km (0.118 R)
• M14: 7,247,718 km (0.111 R)
• M15: 7,987,030 km (0.047 R)
• M16: 8,553,408 km (0.097 R)
• M17: 9,350,017 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.06 AU - 2.6 AU

Year: 2333 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,181,783 km

• M1: 112,049 km (0.095 R)
• M2: 541,544 km (0.065 R)
• M3: 964,009 km (0.072 R)
• M4: 1,334,114 km (0.115 R)
• M5: 1,675,197 km (0.092 R)
• M6: 2,281,218 km (0.107 R)
• M7: 2,570,989 km (0.112 R)
• M8: 3,308,207 km (0.1 R)
• M9: 3,786,920 km (0.116 R)
• M10: 4,847,121 km (0.076 R)
• M11: 5,291,875 km (0.113 R)
• M12: 5,804,248 km (0.118 R)
• M13: 6,414,457 km (0.12 R)
• M14: 6,723,975 km (0.078 R)
• M15: 7,183,540 km (0.106 R)
• M16: 7,886,949 km (0.03 R)
• M17: 8,320,185 km (0.037 R)
• M18: 9,629,765 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 11.2

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.15 AU - 4.63 AU

Year: 5033 Days

Day: 11.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,181,783 km

• M1: 140,323 km (0.087 R)
• M2: 579,243 km (0.1 R)
• M3: 1,169,107 km (0.106 R)
• M4: 1,870,721 km (0.076 R)
• M5: 2,341,955 km (0.1 R)
• M6: 3,027,562 km (0.099 R)
• M7: 3,396,620 km (0.088 R)
• M8: 6,823,308 km (0.086 R)
• M9: 7,684,843 km (0.111 R)
• M10: 9,536,864 km (0.105 R)
• M11: 10,659,746 km (0.034 R)
• M12: 13,602,037 km (0.113 R)
• M13: 14,789,245 km (0.07 R)
• M14: 18,224,910 km (0.1 R)
• M15: 21,931,646 km (0.104 R)
• M16: 23,402,941 km (0.106 R)
• M17: 25,021,590 km (0.077 R)
• M18: 26,198,327 km (0.09 R)
• M19: 27,411,566 km (0.113 R)
• M20: 28,661,755 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 14.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.97 AU - 5.39 AU

Year: 7734 Days

Day: 13.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,181,783 km

• M1: 178,021 km (0.1 R)
• M2: 633,397 km (0.105 R)
• M3: 1,265,000 km (0.032 R)
• M4: 1,715,289 km (0.077 R)
• M5: 2,676,755 km (0.096 R)
• M6: 3,508,519 km (0.107 R)
• M7: 4,396,532 km (0.102 R)
• M8: 4,909,054 km (0.092 R)
• M9: 6,227,909 km (0.082 R)
• M10: 7,610,642 km (0.116 R)
• M11: 11,028,654 km (0.12 R)
• M12: 11,926,541 km (0.085 R)
• M13: 13,868,321 km (0.102 R)
• M14: 15,104,747 km (0.067 R)
• M15: 15,815,337 km (0.111 R)
• M16: 20,323,918 km (0.027 R)
• M17: 21,592,508 km (0.044 R)
• M18: 22,661,684 km (0.061 R)
• M19: 23,507,959 km (0.087 R)
• M20: 30,235,525 km (0.116 R)
• M21: 31,365,138 km (0.085 R)
• M22: 33,490,775 km (0.087 R)
• M23: 39,586,289 km (0.119 R)
• M24: 42,193,331 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484

Radius: 4.5

Gravity: 23.9 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.4 AU - 8.28 AU

Year: 11735 Days

Day: 17.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,181,783 km

• M1: 55,950 km (0.082 R)
• M2: 219,310 km (0.082 R)
• M3: 386,561 km (0.088 R)
• M4: 534,064 km (0.068 R)
• M5: 1,201,121 km (0.036 R)
• M6: 1,699,731 km (0.091 R)
• M7: 1,871,769 km (0.099 R)
• M8: 2,055,325 km (0.114 R)
• M9: 2,306,500 km (0.066 R)
• M10: 2,805,708 km (0.091 R)
• M11: 3,373,881 km (0.066 R)
• M12: 3,570,901 km (0.097 R)
• M13: 4,734,324 km (0.111 R)
• M14: 6,312,282 km (0.106 R)
• M15: 7,484,980 km (0.109 R)
• M16: 7,735,855 km (0.118 R)
• M17: 9,169,751 km (0.082 R)
• M18: 11,091,485 km (0.034 R)
• M19: 12,845,820 km (0.072 R)
• M20: 15,709,123 km (0.11 R)
• M21: 21,799,551 km (0.11 R)
• M22: 22,225,307 km (0.04 R)
• M23: 27,974,951 km (0.067 R)
• M24: 31,297,071 km (0.068 R)
• M25: 32,386,742 km (0.081 R)
• M26: 33,501,546 km (0.106 R)
• M27: 42,293,113 km (0.116 R)
• M28: 43,088,226 km (0.071 R)
• M29: 45,950,183 km (0.074 R)

Asteroid Belt

Center: 7.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.4

Radius: 3.8

Gravity: 68.93 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.67 AU - 9.03 AU

Year: 15828 Days

Day: 20.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,181,783 km

• M1: 47,273 km (0.05 R)
• M2: 171,439 km (0.119 R)
• M3: 306,077 km (0.118 R)
• M4: 585,376 km (0.091 R)
• M5: 710,440 km (0.112 R)
• M6: 1,881,941 km (0.105 R)
• M7: 3,601,270 km (0.101 R)
• M8: 4,658,178 km (0.093 R)
• M9: 4,906,361 km (0.052 R)
• M10: 5,126,121 km (0.083 R)
• M11: 7,408,835 km (0.082 R)
• M12: 7,796,143 km (0.059 R)
• M13: 8,196,916 km (0.069 R)
• M14: 17,356,195 km (0.08 R)
• M15: 17,952,044 km (0.102 R)
• M16: 19,094,672 km (0.118 R)
• M17: 21,620,782 km (0.089 R)
• M18: 22,509,992 km (0.028 R)
• M19: 27,438,045 km (0.092 R)
• M20: 29,427,098 km (0.03 R)
• M21: 31,135,805 km (0.116 R)
• M22: 33,952,583 km (0.083 R)
• M23: 40,234,048 km (0.08 R)
• M24: 42,183,009 km (0.105 R)
• M25: 44,194,053 km (0.095 R)
• M26: 45,303,022 km (0.065 R)
• M27: 49,245,674 km (0.105 R)
• M28: 50,265,932 km (0.065 R)
• M29: 59,512,875 km (0.06 R)
• M30: 65,448,620 km (0.074 R)
• M31: 67,929,401 km (0.054 R)
• M32: 68,138,838 km (0.064 R)
• M33: 69,830,491 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 5.8

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.98 AU - 11.22 AU

Year: 24260 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,181,783 km

• M1: 72,106 km (0.117 R)
• M2: 288,275 km (0.104 R)
• M3: 2,391,621 km (0.117 R)
• M4: 2,694,856 km (0.088 R)
• M5: 3,023,373 km (0.105 R)
• M6: 3,821,777 km (0.072 R)
• M7: 4,269,972 km (0.08 R)
• M8: 4,896,937 km (0.114 R)
• M9: 5,232,634 km (0.107 R)
• M10: 5,583,441 km (0.104 R)
• M11: 8,706,895 km (0.096 R)
• M12: 9,768,741 km (0.086 R)
• M13: 10,002,862 km (0.107 R)
• M14: 10,604,544 km (0.091 R)
• M15: 11,166,434 km (0.105 R)
• M16: 12,281,686 km (0.094 R)
• M17: 14,578,911 km (0.116 R)
• M18: 15,039,523 km (0.113 R)
• M19: 15,273,344 km (0.084 R)
• M20: 15,668,432 km (0.079 R)
• M21: 17,574,608 km (0.091 R)
• M22: 18,627,927 km (0.086 R)
• M23: 19,261,474 km (0.099 R)
• M24: 25,958,073 km (0.09 R)
• M25: 28,614,034 km (0.058 R)
• M26: 29,700,862 km (0.08 R)
• M27: 30,316,308 km (0.078 R)
• M28: 31,572,780 km (0.113 R)
• M29: 39,700,582 km (0.062 R)
• M30: 40,147,431 km (0.1 R)
• M31: 41,661,511 km (0.025 R)
• M32: 44,642,249 km (0.078 R)
• M33: 55,911,157 km (0.093 R)
• M34: 56,849,136 km (0.077 R)
• M35: 59,725,753 km (0.104 R)
• M36: 65,559,621 km (0.085 R)
• M37: 72,869,572 km (0.105 R)
• M38: 75,802,139 km (0.044 R)
• M39: 76,260,207 km (0.041 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 16,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit