🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 10.1

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.58 AU - 0.74 AU

Year: 364 Days

Day: 7.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,895,523 km

• M1: 125,662 km (0.045 R)
• M2: 483,351 km (0.111 R)
• M3: 816,804 km (0.101 R)
• M4: 1,199,925 km (0.116 R)
• M5: 1,519,316 km (0.105 R)
• M6: 1,867,879 km (0.061 R)
• M7: 2,394,464 km (0.12 R)
• M8: 2,730,311 km (0.087 R)
• M9: 3,107,896 km (0.117 R)
• M10: 3,862,168 km (0.105 R)
• M11: 4,301,836 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 9.1

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.56 AU - 0.82 AU

Year: 389 Days

Day: 5 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,895,523 km

• M1: 113,246 km (0.103 R)
• M2: 490,382 km (0.072 R)
• M3: 811,419 km (0.094 R)
• M4: 1,193,791 km (0.105 R)
• M5: 1,650,813 km (0.102 R)
• M6: 3,282,327 km (0.102 R)
• M7: 4,074,448 km (0.117 R)
• M8: 4,530,572 km (0.086 R)
• M9: 5,294,717 km (0.115 R)
• M10: 5,768,643 km (0.119 R)
• M11: 6,088,035 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 8.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.83 AU - 1.19 AU

Year: 688 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,895,523 km

• M1: 106,065 km (0.051 R)
• M2: 478,414 km (0.103 R)
• M3: 828,473 km (0.109 R)
• M4: 1,147,565 km (0.096 R)
• M5: 1,700,629 km (0.097 R)
• M6: 1,964,669 km (0.064 R)
• M7: 2,964,880 km (0.092 R)
• M8: 3,340,969 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 8.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.91 AU - 1.35 AU

Year: 815 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,895,523 km

• M1: 116,986 km (0.071 R)
• M2: 405,709 km (0.047 R)
• M3: 761,902 km (0.116 R)
• M4: 1,149,809 km (0.102 R)
• M5: 1,778,419 km (0.081 R)
• M6: 2,868,838 km (0.112 R)
• M7: 3,294,295 km (0.113 R)
• M8: 3,761,339 km (0.107 R)
• M9: 4,128,153 km (0.112 R)
• M10: 4,898,283 km (0.044 R)
• M11: 5,623,384 km (0.066 R)
• M12: 6,898,556 km (0.066 R)
• M13: 8,956,275 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.7

Radius: 10.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.37 AU - 1.59 AU

Year: 1221 Days

Day: 10 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,895,523 km

• M1: 129,402 km (0.094 R)
• M2: 464,053 km (0.117 R)
• M3: 835,205 km (0.116 R)
• M4: 1,270,236 km (0.097 R)
• M5: 1,700,629 km (0.116 R)
• M6: 2,319,515 km (0.053 R)
• M7: 2,753,947 km (0.111 R)
• M8: 3,562,524 km (0.075 R)
• M9: 3,971,375 km (0.094 R)
• M10: 4,339,086 km (0.082 R)
• M11: 4,982,656 km (0.082 R)
• M12: 5,495,777 km (0.09 R)
• M13: 6,066,343 km (0.069 R)
• M14: 6,531,742 km (0.094 R)
• M15: 6,995,944 km (0.064 R)
• M16: 7,351,838 km (0.12 R)
• M17: 8,607,712 km (0.042 R)
• M18: 9,226,449 km (0.069 R)
• M19: 9,717,429 km (0.079 R)
• M20: 10,355,763 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 9.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.3 AU - 2 AU

Year: 1438 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,895,523 km

• M1: 113,844 km (0.082 R)
• M2: 1,482,216 km (0.104 R)
• M3: 1,810,733 km (0.093 R)
• M4: 2,971,762 km (0.04 R)
• M5: 3,728,129 km (0.095 R)
• M6: 4,160,915 km (0.086 R)
• M7: 5,487,549 km (0.087 R)
• M8: 7,050,847 km (0.052 R)
• M9: 8,018,745 km (0.04 R)
• M10: 8,564,179 km (0.088 R)
• M11: 9,042,443 km (0.049 R)
• M12: 10,150,814 km (0.08 R)
• M13: 11,382,752 km (0.105 R)
• M14: 11,778,289 km (0.072 R)
• M15: 12,865,417 km (0.052 R)

Asteroid Belt

Center: 2.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 11.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.39 AU - 3.01 AU

Year: 3009 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,895,523 km

• M1: 139,575 km (0.075 R)
• M2: 518,656 km (0.091 R)
• M3: 1,260,661 km (0.103 R)
• M4: 1,735,934 km (0.118 R)
• M5: 2,472,404 km (0.119 R)
• M6: 3,054,489 km (0.117 R)
• M7: 4,298,096 km (0.119 R)
• M8: 5,240,413 km (0.107 R)
• M9: 5,773,879 km (0.05 R)
• M10: 6,231,948 km (0.078 R)
• M11: 6,627,335 km (0.043 R)
• M12: 7,039,477 km (0.091 R)
• M13: 8,278,746 km (0.054 R)
• M14: 10,150,515 km (0.095 R)
• M15: 12,958,168 km (0.093 R)
• M16: 13,698,527 km (0.071 R)
• M17: 14,369,175 km (0.091 R)
• M18: 15,518,236 km (0.026 R)
• M19: 19,393,120 km (0.109 R)
• M20: 19,812,892 km (0.112 R)
• M21: 20,920,514 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 14.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.15 AU - 3.65 AU

Year: 4252 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,895,523 km

• M1: 178,321 km (0.038 R)
• M2: 1,028,186 km (0.113 R)
• M3: 1,576,014 km (0.055 R)
• M4: 2,124,739 km (0.109 R)
• M5: 2,890,530 km (0.073 R)
• M6: 3,369,393 km (0.112 R)
• M7: 3,991,720 km (0.072 R)
• M8: 6,085,791 km (0.119 R)
• M9: 6,586,495 km (0.083 R)
• M10: 7,217,050 km (0.119 R)
• M11: 7,743,036 km (0.045 R)
• M12: 8,522,441 km (0.055 R)
• M13: 10,589,884 km (0.097 R)
• M14: 12,028,866 km (0.076 R)
• M15: 14,564,250 km (0.093 R)
• M16: 15,122,550 km (0.087 R)
• M17: 17,375,493 km (0.066 R)
• M18: 17,940,375 km (0.096 R)
• M19: 21,091,953 km (0.095 R)
• M20: 22,835,816 km (0.103 R)
• M21: 24,595,685 km (0.12 R)
• M22: 26,116,347 km (0.079 R)
• M23: 29,877,537 km (0.085 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.4

Radius: 12.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.89 AU - 5.21 AU

Year: 6583 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,895,523 km

• M1: 159,172 km (0.093 R)
• M2: 744,549 km (0.074 R)
• M3: 1,201,869 km (0.095 R)
• M4: 1,713,943 km (0.079 R)
• M5: 2,340,459 km (0.077 R)
• M6: 4,261,445 km (0.104 R)
• M7: 4,995,223 km (0.118 R)
• M8: 5,613,660 km (0.114 R)
• M9: 6,747,014 km (0.069 R)
• M10: 8,280,242 km (0.076 R)
• M11: 9,226,598 km (0.105 R)
• M12: 10,370,573 km (0.113 R)
• M13: 11,561,372 km (0.107 R)
• M14: 12,308,763 km (0.034 R)
• M15: 13,288,180 km (0.105 R)
• M16: 14,853,722 km (0.073 R)
• M17: 16,655,778 km (0.105 R)
• M18: 17,488,290 km (0.079 R)
• M19: 18,411,010 km (0.088 R)
• M20: 19,172,314 km (0.089 R)
• M21: 20,961,953 km (0.083 R)
• M22: 24,188,330 km (0.115 R)
• M23: 25,178,818 km (0.119 R)
• M24: 26,514,727 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.5

Radius: 5.5

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.51 AU - 9.19 AU

Year: 14917 Days

Day: 23 Hours

Environment

Temp: -241 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,895,523 km

• M1: 85,869 km (0.12 R)
• M2: 439,519 km (0.071 R)
• M3: 2,342,403 km (0.1 R)
• M4: 2,770,253 km (0.073 R)
• M5: 5,724,662 km (0.105 R)
• M6: 8,757,459 km (0.086 R)
• M7: 9,530,880 km (0.119 R)
• M8: 11,891,236 km (0.059 R)
• M9: 14,482,570 km (0.115 R)
• M10: 15,218,891 km (0.11 R)
• M11: 19,922,397 km (0.077 R)
• M12: 31,062,801 km (0.06 R)
• M13: 33,193,224 km (0.099 R)
• M14: 36,142,098 km (0.111 R)
• M15: 44,616,667 km (0.066 R)
• M16: 45,601,470 km (0.084 R)
• M17: 50,895,589 km (0.119 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: 458 - 12,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit