🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.52 AU - 0.66 AU

Year: 288 Days

Day: 39 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,924,212 km

• M1: 213,027 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.3

Radius: 9.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.86 AU - 1.18 AU

Year: 655 Days

Day: 7.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,924,212 km

• M1: 121,623 km (0.104 R)
• M2: 528,978 km (0.115 R)
• M3: 984,952 km (0.097 R)
• M4: 1,416,692 km (0.055 R)
• M5: 1,840,951 km (0.047 R)
• M6: 2,848,493 km (0.08 R)
• M7: 4,538,351 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 10.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.74 AU - 1.98 AU

Year: 1613 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,924,212 km

• M1: 131,796 km (0.086 R)
• M2: 562,638 km (0.105 R)
• M3: 924,664 km (0.119 R)
• M4: 1,270,684 km (0.062 R)
• M5: 1,732,643 km (0.083 R)
• M6: 2,526,558 km (0.09 R)
• M7: 3,040,876 km (0.045 R)
• M8: 3,486,678 km (0.07 R)
• M9: 3,893,883 km (0.108 R)
• M10: 4,297,797 km (0.073 R)
• M11: 4,711,136 km (0.093 R)
• M12: 5,111,610 km (0.081 R)
• M13: 6,778,878 km (0.089 R)
• M14: 8,391,393 km (0.111 R)
• M15: 8,867,264 km (0.036 R)
• M16: 9,539,707 km (0.036 R)
• M17: 9,934,645 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 12.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.38 AU - 2.88 AU

Year: 2712 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,924,212 km

• M1: 156,928 km (0.113 R)
• M2: 557,551 km (0.082 R)
• M3: 1,028,934 km (0.087 R)
• M4: 1,694,495 km (0.099 R)
• M5: 2,192,955 km (0.047 R)
• M6: 2,695,155 km (0.116 R)
• M7: 3,100,416 km (0.106 R)
• M8: 3,603,065 km (0.046 R)
• M9: 4,415,680 km (0.038 R)
• M10: 5,573,717 km (0.113 R)
• M11: 6,489,855 km (0.051 R)
• M12: 7,348,247 km (0.09 R)
• M13: 8,180,909 km (0.108 R)
• M14: 11,018,781 km (0.112 R)
• M15: 11,766,770 km (0.034 R)
• M16: 12,771,320 km (0.112 R)
• M17: 14,457,437 km (0.078 R)
• M18: 16,234,660 km (0.098 R)
• M19: 16,822,131 km (0.093 R)
• M20: 18,439,284 km (0.098 R)
• M21: 19,078,964 km (0.075 R)
• M22: 19,793,743 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.3

Radius: 8.8

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.38 AU - 3.54 AU

Year: 4092 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,924,212 km

• M1: 111,750 km (0.057 R)
• M2: 416,480 km (0.111 R)
• M3: 724,054 km (0.079 R)
• M4: 1,233,584 km (0.083 R)
• M5: 1,537,866 km (0.1 R)
• M6: 1,843,794 km (0.067 R)
• M7: 2,430,965 km (0.112 R)
• M8: 3,068,252 km (0.039 R)
• M9: 5,050,424 km (0.105 R)
• M10: 5,423,372 km (0.048 R)
• M11: 5,708,505 km (0.038 R)
• M12: 6,595,321 km (0.109 R)
• M13: 7,412,724 km (0.092 R)
• M14: 8,467,090 km (0.108 R)
• M15: 9,394,896 km (0.045 R)
• M16: 9,883,632 km (0.114 R)
• M17: 10,270,941 km (0.106 R)
• M18: 11,835,884 km (0.099 R)
• M19: 12,856,890 km (0.095 R)
• M20: 13,272,024 km (0.074 R)
• M21: 14,032,131 km (0.095 R)
• M22: 15,073,481 km (0.063 R)
• M23: 16,922,212 km (0.091 R)
• M24: 18,158,788 km (0.114 R)
• M25: 18,681,632 km (0.074 R)
• M26: 20,559,684 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 12.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.58 AU - 5.18 AU

Year: 5828 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,924,212 km

• M1: 160,519 km (0.044 R)
• M2: 863,030 km (0.071 R)
• M3: 1,587,533 km (0.094 R)
• M4: 3,419,508 km (0.058 R)
• M5: 7,749,319 km (0.094 R)
• M6: 10,417,697 km (0.089 R)
• M7: 11,094,776 km (0.036 R)
• M8: 11,891,236 km (0.098 R)
• M9: 14,614,964 km (0.079 R)
• M10: 18,634,958 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.6

Radius: 6.1

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.94 AU - 13.12 AU

Year: 21726 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,924,212 km

• M1: 97,837 km (0.102 R)
• M2: 419,024 km (0.089 R)
• M3: 719,715 km (0.098 R)
• M4: 1,074,861 km (0.037 R)
• M5: 1,326,634 km (0.068 R)
• M6: 1,602,044 km (0.09 R)
• M7: 1,932,804 km (0.047 R)
• M8: 2,368,433 km (0.092 R)
• M9: 3,105,353 km (0.103 R)
• M10: 3,927,542 km (0.109 R)
• M11: 4,281,940 km (0.072 R)
• M12: 4,787,431 km (0.11 R)
• M13: 5,692,648 km (0.092 R)
• M14: 7,431,873 km (0.113 R)
• M15: 7,882,162 km (0.114 R)
• M16: 9,707,406 km (0.12 R)
• M17: 10,521,667 km (0.093 R)
• M18: 16,088,353 km (0.095 R)
• M19: 16,688,839 km (0.107 R)
• M20: 18,254,979 km (0.111 R)
• M21: 20,521,537 km (0.116 R)
• M22: 21,138,329 km (0.117 R)
• M23: 23,442,435 km (0.091 R)
• M24: 25,101,625 km (0.108 R)
• M25: 28,870,594 km (0.044 R)
• M26: 32,286,063 km (0.112 R)
• M27: 32,641,807 km (0.071 R)
• M28: 33,603,123 km (0.118 R)
• M29: 34,583,138 km (0.063 R)
• M30: 41,283,028 km (0.108 R)
• M31: 48,643,094 km (0.092 R)
• M32: 50,531,019 km (0.11 R)
• M33: 51,010,480 km (0.036 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 11,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit