🌌 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: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.61 AU

Year: 297 Days

Day: 33.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,338,209 km

• M1: 55,650 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 12.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.65 AU - 1.03 AU

Year: 505 Days

Day: 10.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,338,209 km

• M1: 160,369 km (0.1 R)
• M2: 567,275 km (0.105 R)
• M3: 972,536 km (0.091 R)
• M4: 1,688,661 km (0.117 R)
• M5: 2,307,547 km (0.119 R)
• M6: 3,934,424 km (0.04 R)
• M7: 4,676,429 km (0.118 R)
• M8: 6,498,831 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 14.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.92 AU - 1.02 AU

Year: 627 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,338,209 km

• M1: 181,911 km (0.114 R)
• M2: 945,459 km (0.078 R)
• M3: 1,482,515 km (0.104 R)
• M4: 2,107,834 km (0.115 R)
• M5: 2,843,856 km (0.066 R)
• M6: 3,714,216 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.07 AU - 1.13 AU

Year: 757 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,338,209 km

• M1: 113,694 km (0.104 R)
• M2: 441,015 km (0.049 R)
• M3: 928,853 km (0.03 R)
• M4: 2,978,344 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 8.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.26 AU - 1.46 AU

Year: 1040 Days

Day: 8.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,338,209 km

• M1: 104,719 km (0.03 R)
• M2: 369,956 km (0.115 R)
• M3: 819,348 km (0.114 R)
• M4: 2,414,958 km (0.11 R)
• M5: 2,927,032 km (0.05 R)
• M6: 3,414,422 km (0.082 R)
• M7: 3,836,437 km (0.088 R)
• M8: 4,836,499 km (0.074 R)
• M9: 5,116,098 km (0.115 R)
• M10: 5,902,234 km (0.04 R)
• M11: 6,448,566 km (0.082 R)
• M12: 6,831,237 km (0.061 R)
• M13: 7,342,114 km (0.09 R)
• M14: 7,830,701 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 12.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.23 AU - 1.51 AU

Year: 1052 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,338,209 km

• M1: 153,338 km (0.094 R)
• M2: 574,755 km (0.079 R)
• M3: 1,043,595 km (0.111 R)
• M4: 1,529,937 km (0.113 R)
• M5: 1,912,609 km (0.098 R)
• M6: 2,329,089 km (0.042 R)
• M7: 2,794,787 km (0.095 R)
• M8: 3,444,042 km (0.109 R)
• M9: 3,961,352 km (0.092 R)
• M10: 4,431,538 km (0.043 R)
• M11: 4,869,261 km (0.086 R)
• M12: 5,280,506 km (0.042 R)
• M13: 5,773,281 km (0.102 R)
• M14: 6,380,050 km (0.036 R)
• M15: 7,096,175 km (0.052 R)
• M16: 7,602,863 km (0.118 R)
• M17: 8,307,768 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 12.6

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.25 AU - 5.83 AU

Year: 8554 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,338,209 km

• M1: 157,377 km (0.073 R)
• M2: 701,464 km (0.112 R)
• M3: 1,160,730 km (0.063 R)
• M4: 1,809,835 km (0.047 R)
• M5: 2,351,679 km (0.047 R)
• M6: 3,197,355 km (0.119 R)
• M7: 3,593,490 km (0.118 R)
• M8: 4,571,412 km (0.089 R)
• M9: 6,709,315 km (0.119 R)
• M10: 9,923,874 km (0.089 R)
• M11: 10,621,299 km (0.053 R)
• M12: 11,297,930 km (0.073 R)
• M13: 11,947,784 km (0.046 R)
• M14: 14,358,254 km (0.103 R)
• M15: 15,056,577 km (0.104 R)
• M16: 15,844,060 km (0.044 R)
• M17: 16,384,108 km (0.1 R)
• M18: 18,818,066 km (0.112 R)
• M19: 19,500,830 km (0.079 R)
• M20: 20,436,565 km (0.095 R)
• M21: 20,996,211 km (0.06 R)
• M22: 24,214,360 km (0.101 R)
• M23: 25,113,144 km (0.083 R)
• M24: 26,127,268 km (0.109 R)
• M25: 28,533,400 km (0.095 R)
• M26: 31,717,890 km (0.037 R)
• M27: 32,468,423 km (0.081 R)
• M28: 33,893,642 km (0.095 R)
• M29: 36,633,975 km (0.114 R)
• M30: 42,681,619 km (0.062 R)

Asteroid Belt

Center: 7.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.2

Radius: 7.3

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.54 AU - 11.06 AU

Year: 18605 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,338,209 km

• M1: 91,554 km (0.066 R)
• M2: 342,579 km (0.089 R)
• M3: 913,744 km (0.11 R)
• M4: 1,672,953 km (0.101 R)
• M5: 1,916,947 km (0.071 R)
• M6: 2,412,565 km (0.062 R)
• M7: 4,102,871 km (0.107 R)
• M8: 4,452,033 km (0.112 R)
• M9: 6,295,228 km (0.081 R)
• M10: 7,759,193 km (0.031 R)
• M11: 9,877,798 km (0.029 R)
• M12: 11,405,042 km (0.088 R)
• M13: 13,083,531 km (0.109 R)
• M14: 15,594,232 km (0.084 R)
• M15: 17,245,493 km (0.093 R)
• M16: 17,904,172 km (0.101 R)
• M17: 20,891,791 km (0.069 R)
• M18: 25,230,429 km (0.116 R)
• M19: 26,294,070 km (0.089 R)
• M20: 26,836,960 km (0.091 R)
• M21: 27,166,225 km (0.076 R)
• M22: 32,559,079 km (0.098 R)
• M23: 35,901,993 km (0.095 R)
• M24: 37,382,713 km (0.064 R)
• M25: 38,207,296 km (0.086 R)
• M26: 39,750,548 km (0.097 R)
• M27: 47,291,028 km (0.12 R)
• M28: 47,771,537 km (0.042 R)
• M29: 56,267,499 km (0.097 R)
• M30: 57,168,826 km (0.041 R)
• M31: 58,815,151 km (0.107 R)
• M32: 61,438,649 km (0.098 R)
• M33: 62,586,513 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.8

Radius: 4.4

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.1 AU - 9.98 AU

Year: 19330 Days

Day: 18.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,338,209 km

• M1: 54,902 km (0.108 R)
• M2: 235,467 km (0.094 R)
• M3: 611,556 km (0.035 R)
• M4: 992,133 km (0.075 R)
• M5: 1,855,163 km (0.069 R)
• M6: 2,165,878 km (0.062 R)
• M7: 2,343,899 km (0.097 R)
• M8: 2,618,412 km (0.09 R)
• M9: 2,774,741 km (0.109 R)
• M10: 4,900,976 km (0.12 R)
• M11: 5,602,291 km (0.071 R)
• M12: 7,918,664 km (0.107 R)
• M13: 9,441,720 km (0.118 R)
• M14: 10,747,261 km (0.061 R)
• M15: 11,621,660 km (0.108 R)
• M16: 20,128,693 km (0.091 R)
• M17: 20,563,723 km (0.062 R)
• M18: 22,833,871 km (0.112 R)
• M19: 24,865,410 km (0.097 R)
• M20: 30,067,676 km (0.102 R)
• M21: 31,211,651 km (0.048 R)
• M22: 32,029,503 km (0.118 R)
• M23: 32,861,416 km (0.117 R)
• M24: 38,824,537 km (0.076 R)
• M25: 39,362,940 km (0.09 R)
• M26: 43,128,468 km (0.068 R)
• M27: 46,671,095 km (0.078 R)
• M28: 57,056,029 km (0.073 R)
• M29: 57,926,689 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 11,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit