🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.1

Radius: 8.4

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.76 AU - 1.06 AU

Year: 599 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,356,265 km

• M1: 104,419 km (0.037 R)
• M2: 415,882 km (0.078 R)
• M3: 714,779 km (0.098 R)
• M4: 1,395,449 km (0.095 R)
• M5: 2,017,028 km (0.044 R)
• M6: 2,918,056 km (0.046 R)
• M7: 3,280,233 km (0.106 R)
• M8: 3,658,266 km (0.096 R)
• M9: 4,080,132 km (0.115 R)
• M10: 4,550,468 km (0.119 R)
• M11: 5,074,061 km (0.098 R)
• M12: 5,377,894 km (0.065 R)
• M13: 6,363,145 km (0.053 R)
• M14: 7,039,926 km (0.087 R)
• M15: 7,305,762 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295

Radius: 13

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.76 AU - 1.14 AU

Year: 639 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,356,265 km

• M1: 161,865 km (0.094 R)
• M2: 768,335 km (0.103 R)
• M3: 1,482,814 km (0.079 R)
• M4: 2,124,290 km (0.077 R)
• M5: 2,563,210 km (0.055 R)
• M6: 3,354,583 km (0.088 R)
• M7: 3,814,746 km (0.111 R)
• M8: 5,359,045 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.1

Radius: 8

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.92 AU - 1.18 AU

Year: 743 Days

Day: 13.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,356,265 km

• M1: 100,530 km (0.103 R)
• M2: 354,846 km (0.091 R)
• M3: 619,335 km (0.06 R)
• M4: 936,034 km (0.12 R)
• M5: 1,295,817 km (0.056 R)
• M6: 1,569,282 km (0.095 R)
• M7: 2,052,782 km (0.065 R)
• M8: 2,405,833 km (0.037 R)
• M9: 2,811,393 km (0.062 R)
• M10: 3,102,061 km (0.118 R)
• M11: 3,525,872 km (0.096 R)
• M12: 3,956,864 km (0.092 R)
• M13: 5,014,371 km (0.083 R)
• M14: 6,462,628 km (0.09 R)
• M15: 7,871,242 km (0.112 R)
• M16: 8,120,322 km (0.09 R)
• M17: 9,252,030 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 13.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.51 AU - 1.77 AU

Year: 1450 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,356,265 km

• M1: 177,872 km (0.073 R)
• M2: 841,039 km (0.106 R)
• M3: 1,468,004 km (0.058 R)
• M4: 2,146,131 km (0.088 R)
• M5: 2,686,628 km (0.102 R)
• M6: 3,254,950 km (0.109 R)
• M7: 4,596,245 km (0.104 R)
• M8: 6,966,773 km (0.099 R)
• M9: 7,903,405 km (0.114 R)
• M10: 9,334,458 km (0.097 R)
• M11: 10,231,298 km (0.106 R)
• M12: 12,705,347 km (0.1 R)
• M13: 13,723,361 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.6

Radius: 12.6

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.45 AU - 3.83 AU

Year: 3841 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,356,265 km

• M1: 156,779 km (0.098 R)
• M2: 569,818 km (0.077 R)
• M3: 1,234,182 km (0.071 R)
• M4: 1,950,906 km (0.102 R)
• M5: 2,572,335 km (0.036 R)
• M6: 3,039,230 km (0.045 R)
• M7: 4,521,296 km (0.044 R)
• M8: 6,287,449 km (0.116 R)
• M9: 7,175,611 km (0.102 R)
• M10: 8,327,814 km (0.119 R)
• M11: 8,814,157 km (0.117 R)
• M12: 9,518,913 km (0.103 R)
• M13: 10,051,182 km (0.044 R)
• M14: 10,689,665 km (0.102 R)
• M15: 11,310,048 km (0.095 R)
• M16: 12,190,132 km (0.071 R)
• M17: 13,366,570 km (0.073 R)
• M18: 13,982,464 km (0.074 R)
• M19: 14,403,582 km (0.026 R)
• M20: 16,872,845 km (0.102 R)
• M21: 20,882,217 km (0.079 R)
• M22: 23,143,838 km (0.113 R)
• M23: 25,020,992 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 14.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.87 AU - 4.39 AU

Year: 5793 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,356,265 km

• M1: 179,069 km (0.102 R)
• M2: 634,594 km (0.096 R)
• M3: 1,789,340 km (0.109 R)
• M4: 2,358,410 km (0.08 R)
• M5: 3,463,191 km (0.075 R)
• M6: 4,133,539 km (0.054 R)
• M7: 4,672,091 km (0.116 R)
• M8: 5,199,723 km (0.067 R)
• M9: 7,169,328 km (0.1 R)
• M10: 8,954,629 km (0.094 R)
• M11: 9,772,780 km (0.087 R)
• M12: 11,459,496 km (0.1 R)
• M13: 11,960,799 km (0.071 R)
• M14: 13,223,853 km (0.119 R)
• M15: 13,944,317 km (0.065 R)
• M16: 14,400,590 km (0.1 R)
• M17: 15,585,106 km (0.033 R)
• M18: 16,515,455 km (0.105 R)
• M19: 17,351,408 km (0.087 R)
• M20: 18,013,528 km (0.117 R)
• M21: 19,742,730 km (0.102 R)
• M22: 20,318,832 km (0.093 R)
• M23: 20,832,102 km (0.098 R)
• M24: 21,808,228 km (0.103 R)
• M25: 23,609,835 km (0.12 R)
• M26: 26,888,422 km (0.061 R)
• M27: 27,686,228 km (0.036 R)
• M28: 28,317,381 km (0.099 R)
• M29: 29,984,948 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.6

Radius: 9.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.65 AU - 6.31 AU

Year: 8855 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,356,265 km

• M1: 118,182 km (0.08 R)
• M2: 473,328 km (0.114 R)
• M3: 1,061,696 km (0.073 R)
• M4: 1,832,873 km (0.084 R)
• M5: 3,019,783 km (0.034 R)
• M6: 3,334,985 km (0.111 R)
• M7: 3,672,179 km (0.109 R)
• M8: 4,602,827 km (0.041 R)
• M9: 5,050,873 km (0.113 R)
• M10: 5,714,489 km (0.098 R)
• M11: 9,662,377 km (0.091 R)
• M12: 9,979,973 km (0.06 R)
• M13: 13,495,673 km (0.083 R)
• M14: 14,830,535 km (0.11 R)
• M15: 15,253,747 km (0.095 R)
• M16: 15,622,805 km (0.109 R)
• M17: 16,962,005 km (0.034 R)
• M18: 17,828,476 km (0.088 R)
• M19: 18,307,189 km (0.063 R)
• M20: 19,218,838 km (0.08 R)
• M21: 26,202,067 km (0.069 R)
• M22: 27,089,332 km (0.116 R)
• M23: 27,631,026 km (0.113 R)
• M24: 28,364,803 km (0.077 R)
• M25: 28,923,402 km (0.038 R)
• M26: 29,966,847 km (0.063 R)
• M27: 35,240,920 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.6

Radius: 7.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.47 AU - 8.53 AU

Year: 15619 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,356,265 km

• M1: 108,608 km (0.116 R)
• M2: 550,819 km (0.092 R)
• M3: 1,202,617 km (0.116 R)
• M4: 1,944,772 km (0.118 R)
• M5: 5,005,994 km (0.051 R)
• M6: 7,313,391 km (0.101 R)
• M7: 14,875,115 km (0.025 R)
• M8: 15,328,247 km (0.094 R)
• M9: 17,171,741 km (0.112 R)
• M10: 21,221,655 km (0.103 R)
• M11: 23,352,976 km (0.091 R)
• M12: 25,221,453 km (0.115 R)
• M13: 28,640,363 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.2

Radius: 4.7

Gravity: 30.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.07 AU - 9.19 AU

Year: 16001 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 65,356,265 km

• M1: 74,051 km (0.085 R)
• M2: 249,380 km (0.061 R)
• M3: 402,418 km (0.087 R)
• M4: 792,420 km (0.102 R)
• M5: 938,727 km (0.09 R)
• M6: 1,372,411 km (0.048 R)
• M7: 2,579,965 km (0.091 R)
• M8: 2,858,067 km (0.087 R)
• M9: 3,130,485 km (0.11 R)
• M10: 4,175,127 km (0.084 R)
• M11: 5,250,137 km (0.105 R)
• M12: 6,455,747 km (0.115 R)
• M13: 6,666,231 km (0.112 R)
• M14: 6,924,736 km (0.102 R)
• M15: 9,615,702 km (0.082 R)
• M16: 9,945,865 km (0.075 R)
• M17: 10,340,504 km (0.084 R)
• M18: 10,512,841 km (0.093 R)
• M19: 10,863,199 km (0.116 R)
• M20: 11,281,774 km (0.076 R)
• M21: 12,343,021 km (0.06 R)
• M22: 12,798,846 km (0.109 R)
• M23: 16,699,012 km (0.118 R)
• M24: 19,261,175 km (0.117 R)
• M25: 25,880,282 km (0.104 R)
• M26: 26,304,691 km (0.097 R)
• M27: 27,495,939 km (0.114 R)
• M28: 28,609,695 km (0.088 R)
• M29: 29,177,569 km (0.12 R)
• M30: 33,365,711 km (0.091 R)
• M31: 33,994,919 km (0.06 R)
• M32: 35,929,968 km (0.114 R)
• M33: 36,724,183 km (0.038 R)
• M34: 48,941,243 km (0.12 R)
• M35: 49,916,770 km (0.12 R)
• M36: 51,237,420 km (0.1 R)
• M37: 52,750,752 km (0.112 R)
• M38: 53,091,088 km (0.115 R)
• M39: 59,286,085 km (0.086 R)
• M40: 59,469,941 km (0.11 R)
• M41: 64,575,866 km (0.042 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: 426 - 20,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit