🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.7

Radius: 14.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,016,376 km

• M1: 179,368 km (0.109 R)
• M2: 695,780 km (0.092 R)
• M3: 1,205,310 km (0.117 R)
• M4: 1,697,188 km (0.06 R)
• M5: 2,215,844 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 10.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.92 AU - 1.46 AU

Year: 866 Days

Day: 13.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,016,376 km

• M1: 129,253 km (0.098 R)
• M2: 457,470 km (0.075 R)
• M3: 1,122,134 km (0.065 R)
• M4: 1,770,491 km (0.107 R)
• M5: 2,138,502 km (0.097 R)
• M6: 2,825,305 km (0.084 R)
• M7: 3,346,504 km (0.088 R)
• M8: 3,946,691 km (0.086 R)
• M9: 4,357,188 km (0.093 R)
• M10: 4,924,313 km (0.095 R)
• M11: 5,600,196 km (0.117 R)
• M12: 6,184,526 km (0.063 R)
• M13: 6,763,170 km (0.082 R)
• M14: 7,773,704 km (0.08 R)
• M15: 8,105,961 km (0.104 R)
• M16: 8,608,909 km (0.076 R)
• M17: 9,972,493 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 11.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.01 AU - 3.13 AU

Year: 2747 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,016,376 km

• M1: 157,676 km (0.09 R)
• M2: 887,564 km (0.079 R)
• M3: 1,503,459 km (0.075 R)
• M4: 3,548,910 km (0.113 R)
• M5: 4,133,539 km (0.069 R)
• M6: 8,852,454 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 12.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.54 AU - 3.72 AU

Year: 3693 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 62.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,016,376 km

• M1: 160,219 km (0.071 R)
• M2: 1,169,407 km (0.062 R)
• M3: 2,446,374 km (0.033 R)
• M4: 3,533,950 km (0.119 R)
• M5: 4,198,913 km (0.116 R)
• M6: 4,720,411 km (0.098 R)
• M7: 5,205,408 km (0.078 R)
• M8: 5,695,490 km (0.052 R)
• M9: 6,519,026 km (0.108 R)
• M10: 10,414,405 km (0.107 R)
• M11: 14,449,359 km (0.092 R)
• M12: 16,783,834 km (0.116 R)
• M13: 20,009,912 km (0.039 R)
• M14: 21,148,501 km (0.103 R)
• M15: 22,188,655 km (0.094 R)
• M16: 23,262,618 km (0.101 R)
• M17: 24,072,093 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 8.1

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.99 AU - 3.43 AU

Year: 3835 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,016,376 km

• M1: 101,128 km (0.114 R)
• M2: 413,189 km (0.084 R)
• M3: 836,402 km (0.079 R)
• M4: 1,099,844 km (0.109 R)
• M5: 1,906,774 km (0.107 R)
• M6: 2,189,963 km (0.104 R)
• M7: 2,583,705 km (0.111 R)
• M8: 2,914,017 km (0.099 R)
• M9: 3,659,912 km (0.101 R)
• M10: 4,776,660 km (0.048 R)
• M11: 5,330,920 km (0.108 R)
• M12: 5,897,896 km (0.071 R)
• M13: 6,379,900 km (0.047 R)
• M14: 7,151,975 km (0.097 R)
• M15: 7,841,621 km (0.059 R)
• M16: 11,320,520 km (0.084 R)
• M17: 12,256,254 km (0.09 R)
• M18: 12,595,692 km (0.111 R)
• M19: 13,344,280 km (0.083 R)
• M20: 13,651,853 km (0.084 R)
• M21: 16,402,210 km (0.089 R)
• M22: 17,053,409 km (0.029 R)
• M23: 19,831,591 km (0.103 R)
• M24: 21,327,720 km (0.096 R)
• M25: 21,607,617 km (0.116 R)
• M26: 23,338,913 km (0.108 R)
• M27: 26,186,210 km (0.095 R)
• M28: 26,830,977 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 11.9

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.76 AU - 4.42 AU

Year: 5516 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,016,376 km

• M1: 148,251 km (0.073 R)
• M2: 569,669 km (0.107 R)
• M3: 1,036,414 km (0.059 R)
• M4: 1,602,792 km (0.097 R)
• M5: 2,386,834 km (0.116 R)
• M6: 2,800,023 km (0.115 R)
• M7: 3,588,853 km (0.117 R)
• M8: 4,547,177 km (0.035 R)
• M9: 4,986,845 km (0.107 R)
• M10: 5,668,563 km (0.042 R)
• M11: 6,080,854 km (0.03 R)
• M12: 6,754,493 km (0.097 R)
• M13: 8,013,360 km (0.094 R)
• M14: 8,781,844 km (0.102 R)
• M15: 14,935,552 km (0.1 R)
• M16: 17,256,414 km (0.05 R)
• M17: 20,539,339 km (0.106 R)
• M18: 20,986,337 km (0.061 R)
• M19: 21,439,918 km (0.037 R)
• M20: 22,523,605 km (0.089 R)
• M21: 26,167,809 km (0.11 R)
• M22: 30,765,999 km (0.086 R)
• M23: 32,545,316 km (0.085 R)
• M24: 33,665,954 km (0.109 R)
• M25: 34,496,970 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.1

Radius: 7.7

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.69 AU - 11.93 AU

Year: 20490 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,016,376 km

• M1: 96,640 km (0.104 R)
• M2: 584,628 km (0.077 R)
• M3: 4,169,891 km (0.119 R)
• M4: 5,163,670 km (0.099 R)
• M5: 6,134,261 km (0.073 R)
• M6: 7,414,519 km (0.053 R)
• M7: 9,029,727 km (0.081 R)
• M8: 9,367,519 km (0.031 R)
• M9: 12,244,436 km (0.097 R)
• M10: 12,798,696 km (0.045 R)
• M11: 16,150,287 km (0.104 R)
• M12: 23,664,139 km (0.078 R)
• M13: 26,994,637 km (0.111 R)
• M14: 27,932,914 km (0.044 R)
• M15: 33,753,917 km (0.101 R)
• M16: 35,954,203 km (0.113 R)
• M17: 45,714,117 km (0.041 R)
• M18: 46,376,836 km (0.079 R)
• M19: 47,045,987 km (0.112 R)
• M20: 72,013,722 km (0.092 R)
• M21: 79,877,933 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.7

Radius: 3.9

Gravity: 56.72 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.94 AU - 11.74 AU

Year: 22172 Days

Day: 24.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,016,376 km

• M1: 49,068 km (0.034 R)
• M2: 224,397 km (0.074 R)
• M3: 408,851 km (0.06 R)
• M4: 623,674 km (0.115 R)
• M5: 795,262 km (0.102 R)
• M6: 2,149,871 km (0.051 R)
• M7: 2,495,592 km (0.101 R)
• M8: 3,238,644 km (0.083 R)
• M9: 3,598,278 km (0.034 R)
• M10: 3,820,131 km (0.085 R)
• M11: 4,256,209 km (0.104 R)
• M12: 5,068,525 km (0.079 R)
• M13: 5,806,043 km (0.089 R)
• M14: 6,945,380 km (0.042 R)
• M15: 7,541,977 km (0.099 R)
• M16: 11,994,308 km (0.081 R)
• M17: 13,144,866 km (0.047 R)
• M18: 15,005,863 km (0.071 R)
• M19: 18,115,255 km (0.109 R)
• M20: 18,485,210 km (0.101 R)
• M21: 20,410,984 km (0.11 R)
• M22: 20,710,778 km (0.071 R)
• M23: 21,525,039 km (0.113 R)
• M24: 22,893,261 km (0.098 R)
• M25: 23,108,682 km (0.107 R)
• M26: 24,206,731 km (0.116 R)
• M27: 24,655,375 km (0.105 R)
• M28: 28,821,227 km (0.09 R)
• M29: 29,325,371 km (0.105 R)
• M30: 32,203,036 km (0.107 R)
• M31: 39,123,434 km (0.107 R)
• M32: 41,313,995 km (0.075 R)
• M33: 44,583,307 km (0.087 R)
• M34: 44,751,156 km (0.117 R)
• M35: 49,085,455 km (0.115 R)
• M36: 49,984,688 km (0.101 R)
• M37: 55,417,484 km (0.077 R)
• M38: 56,196,440 km (0.057 R)
• M39: 77,391,466 km (0.118 R)
• M40: 86,703,485 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit