🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.43 AU - 0.61 AU

Year: 246 Days

Day: 12.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 8.1

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.94 AU - 0.98 AU

Year: 617 Days

Day: 14.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,447,145 km

• M1: 100,679 km (0.107 R)
• M2: 361,279 km (0.117 R)
• M3: 708,795 km (0.105 R)
• M4: 1,509,143 km (0.107 R)
• M5: 1,849,179 km (0.068 R)
• M6: 2,550,644 km (0.062 R)
• M7: 3,175,963 km (0.1 R)
• M8: 3,493,559 km (0.098 R)
• M9: 3,832,099 km (0.094 R)
• M10: 4,264,437 km (0.076 R)
• M11: 4,981,459 km (0.113 R)
• M12: 5,243,256 km (0.055 R)
• M13: 6,065,745 km (0.082 R)
• M14: 6,440,787 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.8

Radius: 10.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.53 AU - 1.61 AU

Year: 1291 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,447,145 km

• M1: 135,685 km (0.082 R)
• M2: 493,673 km (0.108 R)
• M3: 925,113 km (0.073 R)
• M4: 1,391,709 km (0.094 R)
• M5: 1,799,513 km (0.102 R)
• M6: 2,494,844 km (0.113 R)
• M7: 3,210,670 km (0.044 R)
• M8: 3,841,225 km (0.057 R)
• M9: 4,885,866 km (0.065 R)
• M10: 5,349,321 km (0.118 R)
• M11: 6,089,381 km (0.117 R)
• M12: 6,560,914 km (0.069 R)
• M13: 7,056,681 km (0.096 R)
• M14: 7,528,962 km (0.096 R)
• M15: 8,225,489 km (0.066 R)
• M16: 8,695,675 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.4

Radius: 10

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.69 AU - 1.73 AU

Year: 1467 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,447,145 km

• M1: 129,103 km (0.05 R)
• M2: 877,990 km (0.107 R)
• M3: 2,010,595 km (0.11 R)
• M4: 2,405,235 km (0.09 R)
• M5: 2,741,830 km (0.057 R)
• M6: 3,095,030 km (0.12 R)
• M7: 4,824,980 km (0.072 R)
• M8: 5,897,746 km (0.064 R)
• M9: 6,915,760 km (0.095 R)
• M10: 8,304,776 km (0.111 R)
• M11: 9,142,075 km (0.043 R)
• M12: 9,838,753 km (0.067 R)
• M13: 10,707,168 km (0.067 R)
• M14: 11,698,703 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 13.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.15 AU - 3.45 AU

Year: 3933 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,447,145 km

• M1: 173,683 km (0.11 R)
• M2: 715,078 km (0.084 R)
• M3: 1,389,016 km (0.112 R)
• M4: 2,358,859 km (0.12 R)
• M5: 2,886,192 km (0.113 R)
• M6: 3,635,827 km (0.091 R)
• M7: 4,136,531 km (0.073 R)
• M8: 5,386,720 km (0.119 R)
• M9: 8,850,958 km (0.065 R)
• M10: 11,729,371 km (0.078 R)
• M11: 12,247,578 km (0.112 R)
• M12: 13,533,671 km (0.047 R)
• M13: 14,853,273 km (0.086 R)
• M14: 16,724,593 km (0.105 R)
• M15: 17,321,489 km (0.092 R)
• M16: 18,056,463 km (0.107 R)
• M17: 19,588,794 km (0.055 R)
• M18: 21,414,636 km (0.042 R)
• M19: 22,404,824 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 13.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.75 AU - 4.93 AU

Year: 5931 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,447,145 km

• M1: 174,581 km (0.114 R)
• M2: 861,085 km (0.083 R)
• M3: 1,954,047 km (0.11 R)
• M4: 4,364,667 km (0.105 R)
• M5: 5,295,017 km (0.107 R)
• M6: 7,614,083 km (0.109 R)
• M7: 8,355,939 km (0.12 R)
• M8: 8,889,105 km (0.066 R)
• M9: 11,167,631 km (0.073 R)
• M10: 12,625,462 km (0.075 R)
• M11: 13,665,765 km (0.108 R)
• M12: 16,516,203 km (0.114 R)
• M13: 17,760,259 km (0.073 R)
• M14: 18,524,106 km (0.116 R)
• M15: 20,054,791 km (0.096 R)
• M16: 21,273,266 km (0.032 R)
• M17: 23,089,085 km (0.12 R)

Asteroid Belt

Center: 4.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.8

Radius: 10.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.71 AU - 6.07 AU

Year: 8209 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,447,145 km

• M1: 131,796 km (0.057 R)
• M2: 919,578 km (0.048 R)
• M3: 2,065,199 km (0.094 R)
• M4: 3,170,577 km (0.119 R)
• M5: 5,139,734 km (0.103 R)
• M6: 6,779,626 km (0.081 R)
• M7: 9,924,173 km (0.119 R)
• M8: 12,439,661 km (0.098 R)
• M9: 13,816,261 km (0.039 R)
• M10: 14,511,891 km (0.076 R)
• M11: 15,414,265 km (0.107 R)
• M12: 20,868,753 km (0.089 R)
• M13: 27,851,234 km (0.076 R)
• M14: 31,170,512 km (0.072 R)
• M15: 32,165,188 km (0.096 R)
• M16: 33,489,877 km (0.06 R)
• M17: 35,276,524 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.8

Radius: 4

Gravity: 52.18 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.73 AU - 9.83 AU

Year: 20064 Days

Day: 17.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,447,145 km

• M1: 49,816 km (0.05 R)
• M2: 193,879 km (0.069 R)
• M3: 330,013 km (0.095 R)
• M4: 710,739 km (0.111 R)
• M5: 881,431 km (0.098 R)
• M6: 1,027,289 km (0.108 R)
• M7: 1,383,631 km (0.076 R)
• M8: 3,109,841 km (0.091 R)
• M9: 4,411,192 km (0.084 R)
• M10: 5,259,113 km (0.063 R)
• M11: 5,497,123 km (0.071 R)
• M12: 6,657,853 km (0.051 R)
• M13: 7,666,592 km (0.08 R)
• M14: 8,286,675 km (0.11 R)
• M15: 14,421,085 km (0.108 R)
• M16: 14,887,232 km (0.049 R)
• M17: 16,513,361 km (0.057 R)
• M18: 17,543,791 km (0.094 R)
• M19: 18,164,323 km (0.081 R)
• M20: 19,261,923 km (0.074 R)
• M21: 19,449,070 km (0.105 R)
• M22: 22,923,331 km (0.028 R)
• M23: 25,530,971 km (0.046 R)
• M24: 26,905,925 km (0.112 R)
• M25: 28,450,373 km (0.1 R)
• M26: 32,238,042 km (0.114 R)
• M27: 32,369,838 km (0.104 R)
• M28: 32,767,170 km (0.049 R)
• M29: 33,571,707 km (0.092 R)
• M30: 36,348,393 km (0.093 R)
• M31: 41,413,478 km (0.06 R)
• M32: 44,602,007 km (0.09 R)
• M33: 45,755,706 km (0.104 R)
• M34: 52,914,263 km (0.107 R)
• M35: 59,983,809 km (0.111 R)
• M36: 61,793,794 km (0.115 R)
• M37: 63,847,174 km (0.105 R)
• M38: 67,873,152 km (0.115 R)
• M39: 68,959,981 km (0.069 R)
• M40: 69,837,821 km (0.098 R)
• M41: 73,195,994 km (0.061 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 19,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit