🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 161 Days

Day: 33 Hours

Environment

Temp: 19 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,175,885 km

• M1: 370,404 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.87 AU - 1.15 AU

Year: 450 Days

Day: 18 Hours

Environment

Temp: -58 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,175,885 km

• M1: 110,852 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.03 AU - 1.43 AU

Year: 604 Days

Day: 20 Hours

Environment

Temp: -74 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,175,885 km

• M1: 31,116 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.12 AU - 1.38 AU

Year: 619 Days

Day: 29.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,175,885 km

• M1: 95,294 km (0.097 R)

Asteroid Belt

Center: 3.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.2

Radius: 12.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4 AU - 6.2 AU

Year: 5101 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,175,885 km

• M1: 155,582 km (0.043 R)
• M2: 568,921 km (0.072 R)
• M3: 1,079,498 km (0.026 R)
• M4: 1,492,239 km (0.118 R)
• M5: 2,038,720 km (0.099 R)
• M6: 2,733,452 km (0.1 R)
• M7: 3,182,396 km (0.085 R)
• M8: 3,580,775 km (0.112 R)
• M9: 4,549,271 km (0.07 R)
• M10: 5,209,746 km (0.086 R)
• M11: 6,160,291 km (0.035 R)
• M12: 6,601,604 km (0.063 R)
• M13: 8,948,496 km (0.119 R)
• M14: 9,400,581 km (0.108 R)
• M15: 11,147,585 km (0.062 R)
• M16: 15,435,359 km (0.068 R)
• M17: 19,063,406 km (0.112 R)
• M18: 19,624,398 km (0.085 R)
• M19: 21,174,232 km (0.036 R)
• M20: 22,183,569 km (0.108 R)
• M21: 23,013,837 km (0.089 R)
• M22: 23,793,093 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.5

Radius: 8.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.59 AU - 8.81 AU

Year: 9464 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,175,885 km

• M1: 143,913 km (0.11 R)
• M2: 533,167 km (0.096 R)
• M3: 884,722 km (0.062 R)
• M4: 1,904,082 km (0.075 R)
• M5: 2,716,997 km (0.055 R)
• M6: 5,296,064 km (0.086 R)
• M7: 5,804,397 km (0.101 R)
• M8: 12,249,822 km (0.079 R)
• M9: 13,246,443 km (0.101 R)
• M10: 14,070,577 km (0.109 R)
• M11: 20,317,784 km (0.046 R)
• M12: 20,751,319 km (0.096 R)
• M13: 25,767,485 km (0.104 R)
• M14: 26,790,286 km (0.113 R)
• M15: 28,017,587 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.6

Radius: 6.5

Gravity: 22.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.34 AU - 11.72 AU

Year: 13031 Days

Day: 18.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,175,885 km

• M1: 81,830 km (0.115 R)
• M2: 327,919 km (0.111 R)
• M3: 706,700 km (0.114 R)
• M4: 952,639 km (0.081 R)
• M5: 1,323,941 km (0.102 R)
• M6: 2,001,769 km (0.087 R)
• M7: 2,212,852 km (0.045 R)
• M8: 3,341,867 km (0.116 R)
• M9: 4,354,644 km (0.059 R)
• M10: 4,778,455 km (0.118 R)
• M11: 6,056,619 km (0.059 R)
• M12: 7,502,333 km (0.111 R)
• M13: 11,537,736 km (0.112 R)
• M14: 12,284,828 km (0.105 R)
• M15: 13,943,718 km (0.089 R)
• M16: 15,080,662 km (0.117 R)
• M17: 15,897,317 km (0.117 R)
• M18: 18,108,673 km (0.076 R)
• M19: 19,373,822 km (0.118 R)
• M20: 31,566,497 km (0.115 R)
• M21: 33,146,550 km (0.119 R)
• M22: 36,992,861 km (0.111 R)
• M23: 37,259,294 km (0.089 R)
• M24: 38,474,478 km (0.115 R)
• M25: 39,855,416 km (0.114 R)
• M26: 45,100,467 km (0.116 R)
• M27: 47,258,566 km (0.05 R)
• M28: 50,623,321 km (0.105 R)
• M29: 52,784,412 km (0.117 R)
• M30: 54,660,519 km (0.037 R)
• M31: 55,006,239 km (0.07 R)
• M32: 60,001,911 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.8

Radius: 7.9

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.54 AU - 12.18 AU

Year: 14770 Days

Day: 23.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,175,885 km

• M1: 99,931 km (0.095 R)
• M2: 822,190 km (0.081 R)
• M3: 1,287,140 km (0.037 R)
• M4: 1,714,541 km (0.033 R)
• M5: 2,313,232 km (0.117 R)
• M6: 3,319,128 km (0.114 R)
• M7: 4,721,010 km (0.119 R)
• M8: 7,871,242 km (0.071 R)
• M9: 8,344,120 km (0.073 R)
• M10: 10,039,962 km (0.111 R)
• M11: 11,709,624 km (0.113 R)
• M12: 12,138,970 km (0.081 R)
• M13: 12,515,208 km (0.089 R)
• M14: 13,094,152 km (0.07 R)
• M15: 13,357,145 km (0.101 R)
• M16: 13,623,579 km (0.071 R)
• M17: 16,794,455 km (0.044 R)
• M18: 17,578,199 km (0.082 R)
• M19: 19,049,942 km (0.045 R)
• M20: 19,815,884 km (0.1 R)
• M21: 20,337,831 km (0.052 R)
• M22: 21,137,730 km (0.112 R)
• M23: 25,455,274 km (0.031 R)
• M24: 39,218,727 km (0.115 R)
• M25: 44,475,597 km (0.076 R)
• M26: 46,276,456 km (0.047 R)
• M27: 48,910,126 km (0.025 R)
• M28: 49,544,122 km (0.099 R)
• M29: 49,863,065 km (0.098 R)
• M30: 50,666,555 km (0.077 R)
• M31: 52,134,708 km (0.113 R)
• M32: 55,842,192 km (0.102 R)
• M33: 57,232,854 km (0.068 R)
• M34: 57,760,187 km (0.119 R)
• M35: 61,175,955 km (0.098 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 13,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit