🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.1

Radius: 11.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,705,091 km

• M1: 139,276 km (0.114 R)
• M2: 489,783 km (0.046 R)
• M3: 854,653 km (0.09 R)
• M4: 1,297,014 km (0.084 R)
• M5: 1,681,480 km (0.036 R)
• M6: 2,113,818 km (0.108 R)
• M7: 2,504,568 km (0.103 R)
• M8: 2,962,038 km (0.06 R)
• M9: 3,495,504 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.6

Radius: 11.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.77 AU - 0.85 AU

Year: 503 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,705,091 km

• M1: 146,905 km (0.09 R)
• M2: 539,001 km (0.061 R)
• M3: 1,126,622 km (0.115 R)
• M4: 1,730,997 km (0.043 R)
• M5: 2,666,881 km (0.117 R)
• M6: 3,551,154 km (0.082 R)
• M7: 4,104,068 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 11.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.82 AU - 1.16 AU

Year: 680 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,705,091 km

• M1: 144,212 km (0.116 R)
• M2: 704,606 km (0.089 R)
• M3: 1,166,564 km (0.075 R)
• M4: 2,273,588 km (0.1 R)
• M5: 3,072,740 km (0.101 R)
• M6: 3,601,120 km (0.09 R)
• M7: 4,036,599 km (0.098 R)
• M8: 4,448,293 km (0.114 R)
• M9: 5,290,080 km (0.08 R)
• M10: 5,890,566 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.1

Radius: 14

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.9 AU - 2.32 AU

Year: 2116 Days

Day: 12.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,705,091 km

• M1: 174,730 km (0.119 R)
• M2: 678,726 km (0.075 R)
• M3: 1,177,634 km (0.119 R)
• M4: 1,871,619 km (0.089 R)
• M5: 2,491,702 km (0.11 R)
• M6: 3,097,424 km (0.117 R)
• M7: 5,651,060 km (0.112 R)
• M8: 6,110,026 km (0.096 R)
• M9: 6,760,926 km (0.118 R)
• M10: 7,731,368 km (0.076 R)
• M11: 8,559,691 km (0.05 R)
• M12: 9,271,328 km (0.12 R)
• M13: 10,545,004 km (0.117 R)
• M14: 11,973,514 km (0.101 R)
• M15: 12,562,631 km (0.079 R)
• M16: 14,874,367 km (0.104 R)
• M17: 15,358,914 km (0.073 R)
• M18: 17,403,767 km (0.086 R)
• M19: 17,942,170 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.9

Radius: 3.3

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.09 AU - 9.39 AU

Year: 14864 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,705,091 km

• M1: 98,884 km (0.094 R)
• M2: 359,783 km (0.106 R)
• M3: 851,661 km (0.09 R)
• M4: 1,228,348 km (0.105 R)
• M5: 1,433,746 km (0.113 R)
• M6: 3,016,940 km (0.066 R)
• M7: 3,153,673 km (0.055 R)
• M8: 4,546,429 km (0.11 R)
• M9: 5,594,512 km (0.059 R)
• M10: 6,451,109 km (0.029 R)
• M11: 7,269,409 km (0.116 R)
• M12: 7,391,631 km (0.086 R)
• M13: 12,070,454 km (0.088 R)
• M14: 12,590,157 km (0.113 R)
• M15: 14,429,762 km (0.113 R)
• M16: 15,819,227 km (0.094 R)
• M17: 18,328,731 km (0.113 R)
• M18: 19,717,149 km (0.087 R)
• M19: 20,762,389 km (0.094 R)
• M20: 21,008,777 km (0.108 R)
• M21: 26,354,507 km (0.1 R)
• M22: 28,622,860 km (0.119 R)
• M23: 30,698,231 km (0.082 R)
• M24: 35,261,864 km (0.072 R)
• M25: 37,765,384 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 5.7

Gravity: 26.81 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 6.15 AU - 9.51 AU

Year: 15124 Days

Day: 20.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,705,091 km

• M1: 76,295 km (0.051 R)
• M2: 292,464 km (0.061 R)
• M3: 668,403 km (0.115 R)
• M4: 1,342,940 km (0.076 R)
• M5: 1,636,601 km (0.115 R)
• M6: 2,248,306 km (0.091 R)
• M7: 3,207,079 km (0.111 R)
• M8: 3,505,228 km (0.059 R)
• M9: 3,911,087 km (0.098 R)
• M10: 4,094,494 km (0.075 R)
• M11: 4,511,423 km (0.101 R)
• M12: 6,637,807 km (0.109 R)
• M13: 6,987,866 km (0.116 R)
• M14: 10,954,154 km (0.077 R)
• M15: 11,756,149 km (0.094 R)
• M16: 12,863,173 km (0.087 R)
• M17: 15,358,017 km (0.071 R)
• M18: 16,758,851 km (0.102 R)
• M19: 18,669,814 km (0.038 R)
• M20: 19,901,454 km (0.04 R)
• M21: 23,216,094 km (0.098 R)
• M22: 25,583,779 km (0.064 R)
• M23: 25,903,918 km (0.04 R)
• M24: 28,448,578 km (0.115 R)
• M25: 33,389,347 km (0.076 R)
• M26: 34,675,739 km (0.082 R)
• M27: 39,013,479 km (0.1 R)
• M28: 40,008,305 km (0.095 R)
• M29: 42,494,622 km (0.08 R)
• M30: 48,420,642 km (0.076 R)
• M31: 59,418,928 km (0.118 R)
• M32: 61,304,908 km (0.117 R)
• M33: 62,842,026 km (0.083 R)
• M34: 63,230,382 km (0.031 R)
• M35: 63,425,159 km (0.108 R)
• M36: 67,404,313 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.4

Radius: 5.9

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.48 AU - 11.12 AU

Year: 19577 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,705,091 km

• M1: 76,295 km (0.09 R)
• M2: 355,893 km (0.067 R)
• M3: 805,585 km (0.074 R)
• M4: 1,048,980 km (0.092 R)
• M5: 1,341,295 km (0.075 R)
• M6: 1,717,982 km (0.113 R)
• M7: 2,554,832 km (0.081 R)
• M8: 3,353,685 km (0.094 R)
• M9: 4,046,772 km (0.079 R)
• M10: 4,704,554 km (0.1 R)
• M11: 5,465,708 km (0.073 R)
• M12: 5,712,993 km (0.087 R)
• M13: 6,657,404 km (0.075 R)
• M14: 6,858,165 km (0.1 R)
• M15: 7,398,961 km (0.113 R)
• M16: 8,518,402 km (0.109 R)
• M17: 9,094,055 km (0.077 R)
• M18: 9,746,451 km (0.092 R)
• M19: 11,715,907 km (0.114 R)
• M20: 12,008,819 km (0.094 R)
• M21: 14,331,177 km (0.065 R)
• M22: 14,870,028 km (0.067 R)
• M23: 15,422,344 km (0.085 R)
• M24: 18,077,706 km (0.114 R)
• M25: 18,946,122 km (0.098 R)
• M26: 20,851,400 km (0.11 R)
• M27: 24,178,457 km (0.094 R)
• M28: 34,067,325 km (0.12 R)
• M29: 36,249,359 km (0.045 R)
• M30: 40,488,664 km (0.061 R)
• M31: 41,428,587 km (0.106 R)
• M32: 47,523,354 km (0.032 R)
• M33: 52,745,516 km (0.035 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: 160 - 10,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit