🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.5 AU - 0.54 AU

Year: 131 Days

Day: 36.3 Hours

Environment

Temp: 199 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,690,342 km

• M1: 122,670 km (0.051 R)
• M2: 236,813 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 13.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.78 AU - 8.32 AU

Year: 6549 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 93 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,690,342 km

• M1: 162,912 km (0.088 R)
• M2: 694,733 km (0.067 R)
• M3: 1,257,520 km (0.093 R)
• M4: 2,051,585 km (0.112 R)
• M5: 2,507,260 km (0.069 R)
• M6: 3,012,901 km (0.114 R)
• M7: 4,778,754 km (0.094 R)
• M8: 6,993,102 km (0.059 R)
• M9: 12,896,832 km (0.083 R)
• M10: 15,657,960 km (0.079 R)
• M11: 18,109,570 km (0.091 R)
• M12: 18,603,991 km (0.084 R)
• M13: 19,620,060 km (0.085 R)
• M14: 20,605,910 km (0.04 R)
• M15: 22,111,164 km (0.066 R)
• M16: 22,534,077 km (0.06 R)
• M17: 23,688,524 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 12.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.72 AU - 8.7 AU

Year: 6773 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,690,342 km

• M1: 153,787 km (0.081 R)
• M2: 1,299,706 km (0.092 R)
• M3: 1,936,844 km (0.062 R)
• M4: 3,266,769 km (0.06 R)
• M5: 5,132,853 km (0.115 R)
• M6: 5,528,389 km (0.064 R)
• M7: 6,244,365 km (0.105 R)
• M8: 10,020,215 km (0.055 R)
• M9: 12,602,723 km (0.104 R)
• M10: 15,537,684 km (0.049 R)
• M11: 22,318,357 km (0.051 R)
• M12: 23,626,740 km (0.071 R)
• M13: 25,333,352 km (0.059 R)
• M14: 29,568,318 km (0.098 R)
• M15: 32,364,901 km (0.115 R)
• M16: 32,778,389 km (0.087 R)
• M17: 33,195,319 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 13.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.69 AU - 9.75 AU

Year: 8245 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,690,342 km

• M1: 174,880 km (0.077 R)
• M2: 638,035 km (0.114 R)
• M3: 1,879,248 km (0.052 R)
• M4: 7,378,915 km (0.046 R)
• M5: 9,992,839 km (0.101 R)
• M6: 12,763,990 km (0.085 R)
• M7: 17,468,843 km (0.058 R)
• M8: 17,900,582 km (0.1 R)
• M9: 21,370,505 km (0.109 R)
• M10: 22,114,604 km (0.082 R)
• M11: 23,742,678 km (0.056 R)
• M12: 25,911,548 km (0.072 R)
• M13: 29,206,142 km (0.095 R)
• M14: 30,432,695 km (0.073 R)
• M15: 37,442,552 km (0.094 R)
• M16: 37,920,816 km (0.113 R)
• M17: 38,645,917 km (0.101 R)
• M18: 39,134,504 km (0.117 R)
• M19: 40,877,020 km (0.118 R)
• M20: 41,384,306 km (0.075 R)
• M21: 42,411,296 km (0.094 R)
• M22: 42,931,148 km (0.084 R)
• M23: 44,918,705 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.8

Radius: 9.6

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.49 AU - 10.99 AU

Year: 11464 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,690,342 km

• M1: 119,529 km (0.112 R)
• M2: 498,161 km (0.067 R)
• M3: 826,229 km (0.086 R)
• M4: 1,141,881 km (0.114 R)
• M5: 1,924,128 km (0.073 R)
• M6: 2,253,692 km (0.047 R)
• M7: 2,664,488 km (0.104 R)
• M8: 3,610,545 km (0.1 R)
• M9: 3,914,378 km (0.118 R)
• M10: 6,669,073 km (0.108 R)
• M11: 7,744,383 km (0.088 R)
• M12: 8,299,839 km (0.105 R)
• M13: 9,911,457 km (0.074 R)
• M14: 10,344,992 km (0.104 R)
• M15: 12,084,516 km (0.066 R)
• M16: 13,412,795 km (0.111 R)
• M17: 14,078,506 km (0.084 R)
• M18: 14,488,255 km (0.106 R)
• M19: 14,835,920 km (0.096 R)
• M20: 15,331,987 km (0.105 R)
• M21: 16,432,129 km (0.114 R)
• M22: 19,792,097 km (0.09 R)
• M23: 21,995,525 km (0.075 R)
• M24: 26,988,653 km (0.075 R)
• M25: 30,366,423 km (0.114 R)
• M26: 33,650,545 km (0.072 R)
• M27: 35,755,985 km (0.12 R)
• M28: 37,554,601 km (0.049 R)
• M29: 40,090,883 km (0.09 R)
• M30: 45,205,933 km (0.045 R)
• M31: 45,799,837 km (0.066 R)
• M32: 48,537,029 km (0.082 R)
• M33: 50,899,628 km (0.068 R)
• M34: 54,167,893 km (0.039 R)
• M35: 56,194,495 km (0.104 R)
• M36: 57,053,636 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 3.5

Gravity: 26.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 12.93 AU - 16.17 AU

Year: 19417 Days

Day: 16.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,690,342 km

• M1: 49,218 km (0.06 R)
• M2: 247,285 km (0.105 R)
• M3: 359,783 km (0.106 R)
• M4: 558,150 km (0.111 R)
• M5: 815,907 km (0.084 R)
• M6: 939,175 km (0.077 R)
• M7: 1,185,414 km (0.108 R)
• M8: 1,502,860 km (0.118 R)
• M9: 1,641,537 km (0.027 R)
• M10: 1,755,232 km (0.099 R)
• M11: 2,864,650 km (0.113 R)
• M12: 3,127,493 km (0.109 R)
• M13: 4,160,167 km (0.054 R)
• M14: 4,341,779 km (0.099 R)
• M15: 6,785,759 km (0.096 R)
• M16: 6,910,973 km (0.087 R)
• M17: 8,438,666 km (0.114 R)
• M18: 13,937,435 km (0.099 R)
• M19: 14,139,692 km (0.106 R)
• M20: 15,902,702 km (0.088 R)
• M21: 17,336,748 km (0.11 R)
• M22: 17,806,934 km (0.108 R)
• M23: 19,019,574 km (0.065 R)
• M24: 19,857,921 km (0.12 R)
• M25: 21,697,825 km (0.109 R)
• M26: 24,129,538 km (0.113 R)
• M27: 24,813,948 km (0.074 R)
• M28: 25,111,199 km (0.108 R)
• M29: 25,310,613 km (0.093 R)
• M30: 36,051,142 km (0.085 R)
• M31: 36,560,074 km (0.101 R)
• M32: 48,230,653 km (0.097 R)
• M33: 50,257,704 km (0.118 R)
• M34: 50,574,552 km (0.085 R)
• M35: 52,178,541 km (0.099 R)
• M36: 54,815,053 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.2

Radius: 6.1

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 16.63 AU - 21.59 AU

Year: 29226 Days

Day: 22.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,690,342 km

• M1: 75,846 km (0.117 R)
• M2: 652,696 km (0.084 R)
• M3: 1,075,160 km (0.063 R)
• M4: 1,567,486 km (0.089 R)
• M5: 2,119,652 km (0.097 R)
• M6: 2,408,376 km (0.108 R)
• M7: 3,167,436 km (0.08 R)
• M8: 3,833,745 km (0.117 R)
• M9: 4,523,092 km (0.098 R)
• M10: 8,723,052 km (0.086 R)
• M11: 9,356,748 km (0.082 R)
• M12: 11,319,024 km (0.089 R)
• M13: 14,533,284 km (0.102 R)
• M14: 14,825,897 km (0.11 R)
• M15: 16,505,731 km (0.12 R)
• M16: 17,065,676 km (0.101 R)
• M17: 17,971,342 km (0.109 R)
• M18: 18,393,357 km (0.027 R)
• M19: 18,995,339 km (0.077 R)
• M20: 19,521,625 km (0.089 R)
• M21: 27,276,030 km (0.108 R)
• M22: 29,434,428 km (0.11 R)
• M23: 29,785,235 km (0.045 R)
• M24: 35,257,525 km (0.107 R)
• M25: 36,185,631 km (0.103 R)
• M26: 36,723,136 km (0.045 R)
• M27: 44,357,713 km (0.115 R)
• M28: 51,616,950 km (0.076 R)
• M29: 57,053,486 km (0.112 R)
• M30: 58,700,409 km (0.058 R)
• M31: 64,615,958 km (0.035 R)
• M32: 65,407,031 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924

Radius: 7.4

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 16.14 AU - 22.8 AU

Year: 30056 Days

Day: 15.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,690,342 km

• M1: 92,601 km (0.113 R)
• M2: 605,273 km (0.034 R)
• M3: 1,692,999 km (0.119 R)
• M4: 2,074,025 km (0.118 R)
• M5: 2,309,791 km (0.089 R)
• M6: 3,067,654 km (0.087 R)
• M7: 3,343,512 km (0.055 R)
• M8: 3,669,636 km (0.042 R)
• M9: 3,980,949 km (0.112 R)
• M10: 4,347,613 km (0.119 R)
• M11: 6,139,347 km (0.079 R)
• M12: 6,381,247 km (0.054 R)
• M13: 7,743,485 km (0.114 R)
• M14: 9,039,003 km (0.094 R)
• M15: 9,803,747 km (0.044 R)
• M16: 12,978,662 km (0.071 R)
• M17: 15,767,765 km (0.117 R)
• M18: 16,039,585 km (0.073 R)
• M19: 22,269,289 km (0.037 R)
• M20: 23,659,801 km (0.12 R)
• M21: 29,940,967 km (0.115 R)
• M22: 34,137,187 km (0.116 R)
• M23: 35,670,565 km (0.099 R)
• M24: 39,204,516 km (0.108 R)
• M25: 44,570,442 km (0.077 R)
• M26: 65,646,687 km (0.103 R)
• M27: 72,165,414 km (0.113 R)
• M28: 76,483,557 km (0.109 R)
• M29: 76,742,810 km (0.115 R)
• M30: 78,574,038 km (0.105 R)
• M31: 82,323,409 km (0.083 R)
• M32: 89,599,700 km (0.091 R)
• M33: 90,465,872 km (0.083 R)
• M34: 94,880,804 km (0.038 R)
• M35: 95,180,149 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.8

Radius: 6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 14.95 AU - 24.13 AU

Year: 30218 Days

Day: 17.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,690,342 km

• M1: 95,743 km (0.075 R)
• M2: 683,662 km (0.117 R)
• M3: 1,378,245 km (0.11 R)
• M4: 1,797,418 km (0.086 R)
• M5: 3,747,127 km (0.028 R)
• M6: 4,086,266 km (0.107 R)
• M7: 4,706,798 km (0.051 R)
• M8: 5,259,562 km (0.117 R)
• M9: 5,923,627 km (0.119 R)
• M10: 6,204,272 km (0.116 R)
• M11: 12,959,813 km (0.088 R)
• M12: 13,373,601 km (0.09 R)
• M13: 16,588,908 km (0.094 R)
• M14: 23,785,313 km (0.076 R)
• M15: 25,218,311 km (0.061 R)
• M16: 42,066,622 km (0.092 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 20,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit