🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.2

Radius: 9.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.42 AU - 0.66 AU

Year: 279 Days

Day: 8.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,136,346 km

• M1: 120,576 km (0.12 R)
• M2: 448,943 km (0.077 R)
• M3: 877,691 km (0.094 R)
• M4: 1,272,180 km (0.088 R)
• M5: 1,722,619 km (0.071 R)
• M6: 2,375,614 km (0.095 R)
• M7: 3,251,959 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.1

Radius: 12

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.68 AU - 0.84 AU

Year: 466 Days

Day: 14.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,136,346 km

• M1: 149,448 km (0.071 R)
• M2: 531,072 km (0.078 R)
• M3: 1,049,429 km (0.054 R)
• M4: 1,584,391 km (0.114 R)
• M5: 1,989,502 km (0.109 R)
• M6: 2,781,024 km (0.104 R)
• M7: 4,224,045 km (0.058 R)
• M8: 4,801,942 km (0.104 R)
• M9: 5,448,354 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 8.7

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.86 AU - 3.96 AU

Year: 4426 Days

Day: 8.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,136,346 km

• M1: 128,355 km (0.091 R)
• M2: 820,694 km (0.1 R)
• M3: 1,451,099 km (0.049 R)
• M4: 1,913,506 km (0.115 R)
• M5: 2,762,175 km (0.071 R)
• M6: 4,258,453 km (0.065 R)
• M7: 4,912,644 km (0.082 R)
• M8: 5,208,848 km (0.114 R)
• M9: 5,517,020 km (0.116 R)
• M10: 6,139,497 km (0.071 R)
• M11: 7,211,066 km (0.086 R)
• M12: 8,632,695 km (0.036 R)
• M13: 10,406,776 km (0.081 R)
• M14: 13,478,619 km (0.106 R)
• M15: 13,900,784 km (0.106 R)
• M16: 14,277,471 km (0.119 R)
• M17: 14,605,689 km (0.046 R)
• M18: 16,027,916 km (0.044 R)
• M19: 16,863,570 km (0.117 R)
• M20: 17,665,265 km (0.095 R)
• M21: 19,411,072 km (0.115 R)
• M22: 22,793,779 km (0.074 R)
• M23: 24,157,513 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 10

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.97 AU - 4.23 AU

Year: 5836 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,136,346 km

• M1: 124,615 km (0.044 R)
• M2: 482,154 km (0.115 R)
• M3: 950,844 km (0.108 R)
• M4: 1,287,140 km (0.111 R)
• M5: 2,189,365 km (0.107 R)
• M6: 3,081,716 km (0.11 R)
• M7: 3,634,031 km (0.075 R)
• M8: 4,513,218 km (0.099 R)
• M9: 5,652,256 km (0.083 R)
• M10: 7,339,421 km (0.117 R)
• M11: 7,718,652 km (0.036 R)
• M12: 9,664,621 km (0.109 R)
• M13: 10,151,712 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 12.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.22 AU - 5.28 AU

Year: 8456 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,136,346 km

• M1: 151,243 km (0.094 R)
• M2: 1,122,582 km (0.097 R)
• M3: 1,954,347 km (0.062 R)
• M4: 7,015,093 km (0.12 R)
• M5: 12,734,220 km (0.098 R)
• M6: 17,460,465 km (0.066 R)
• M7: 19,265,363 km (0.108 R)
• M8: 19,735,400 km (0.059 R)
• M9: 20,838,535 km (0.068 R)
• M10: 22,128,218 km (0.04 R)
• M11: 24,161,402 km (0.049 R)
• M12: 25,665,011 km (0.035 R)
• M13: 28,164,791 km (0.088 R)
• M14: 28,770,662 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 12

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.29 AU - 6.31 AU

Year: 8577 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,136,346 km

• M1: 149,299 km (0.11 R)
• M2: 524,341 km (0.115 R)
• M3: 1,025,194 km (0.041 R)
• M4: 1,409,062 km (0.113 R)
• M5: 1,844,542 km (0.054 R)
• M6: 2,297,075 km (0.041 R)
• M7: 2,823,809 km (0.1 R)
• M8: 3,358,771 km (0.098 R)
• M9: 3,881,616 km (0.065 R)
• M10: 4,545,382 km (0.066 R)
• M11: 5,348,573 km (0.055 R)
• M12: 5,923,328 km (0.088 R)
• M13: 6,390,223 km (0.109 R)
• M14: 7,357,672 km (0.103 R)
• M15: 8,112,992 km (0.045 R)
• M16: 8,644,663 km (0.099 R)
• M17: 11,385,595 km (0.063 R)
• M18: 14,725,367 km (0.058 R)
• M19: 16,618,528 km (0.119 R)
• M20: 17,918,085 km (0.054 R)
• M21: 20,719,006 km (0.112 R)
• M22: 22,567,437 km (0.078 R)
• M23: 25,076,193 km (0.079 R)
• M24: 26,110,663 km (0.113 R)
• M25: 29,385,360 km (0.093 R)
• M26: 33,484,342 km (0.07 R)
• M27: 34,050,570 km (0.09 R)
• M28: 34,508,190 km (0.109 R)
• M29: 44,273,490 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.2

Radius: 3.8

Gravity: 45.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.59 AU - 7.49 AU

Year: 10434 Days

Day: 20.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,136,346 km

• M1: 47,273 km (0.111 R)
• M2: 510,727 km (0.052 R)
• M3: 816,356 km (0.095 R)
• M4: 1,004,550 km (0.037 R)
• M5: 1,347,428 km (0.08 R)
• M6: 1,510,191 km (0.069 R)
• M7: 1,843,195 km (0.1 R)
• M8: 2,316,373 km (0.094 R)
• M9: 2,451,460 km (0.096 R)
• M10: 2,999,437 km (0.08 R)
• M11: 4,479,259 km (0.086 R)
• M12: 7,370,388 km (0.089 R)
• M13: 7,578,778 km (0.097 R)
• M14: 8,866,067 km (0.094 R)
• M15: 10,605,442 km (0.097 R)
• M16: 12,093,193 km (0.056 R)
• M17: 12,266,726 km (0.093 R)
• M18: 12,441,756 km (0.074 R)
• M19: 13,652,152 km (0.087 R)
• M20: 14,093,765 km (0.119 R)
• M21: 16,445,294 km (0.108 R)
• M22: 16,658,172 km (0.08 R)
• M23: 18,049,881 km (0.028 R)
• M24: 18,200,825 km (0.099 R)
• M25: 19,123,694 km (0.081 R)
• M26: 19,916,264 km (0.103 R)
• M27: 22,424,870 km (0.115 R)
• M28: 24,949,185 km (0.068 R)
• M29: 28,159,705 km (0.08 R)
• M30: 31,525,507 km (0.065 R)
• M31: 33,531,914 km (0.108 R)
• M32: 43,617,952 km (0.079 R)
• M33: 44,299,370 km (0.096 R)
• M34: 44,574,032 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.7

Radius: 5.2

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.69 AU - 9.39 AU

Year: 14553 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,136,346 km

• M1: 64,776 km (0.103 R)
• M2: 290,220 km (0.106 R)
• M3: 563,386 km (0.116 R)
• M4: 1,144,723 km (0.107 R)
• M5: 1,522,308 km (0.113 R)
• M6: 2,301,114 km (0.105 R)
• M7: 2,541,219 km (0.06 R)
• M8: 5,711,497 km (0.108 R)
• M9: 8,146,651 km (0.111 R)
• M10: 10,484,716 km (0.086 R)
• M11: 10,735,592 km (0.102 R)
• M12: 12,775,060 km (0.048 R)
• M13: 14,806,748 km (0.106 R)
• M14: 17,531,225 km (0.115 R)
• M15: 28,056,632 km (0.054 R)
• M16: 31,664,334 km (0.093 R)
• M17: 40,149,077 km (0.116 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: 398 - 12,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit