🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.55 AU - 0.69 AU

Year: 320 Days

Day: 39.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 26,464,780 km

• M1: 350,657 km (0.065 R)
• M2: 662,120 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 14.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.83 AU - 0.85 AU

Year: 505 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,464,780 km

• M1: 180,864 km (0.093 R)
• M2: 739,911 km (0.083 R)
• M3: 1,312,422 km (0.101 R)
• M4: 1,943,576 km (0.115 R)
• M5: 2,405,235 km (0.107 R)
• M6: 3,215,905 km (0.116 R)
• M7: 3,883,262 km (0.12 R)
• M8: 5,367,123 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 9.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.8 AU - 1.02 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 26,464,780 km

• M1: 117,584 km (0.071 R)
• M2: 526,136 km (0.08 R)
• M3: 1,073,365 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.8

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.81 AU - 1.07 AU

Year: 598 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,464,780 km

• M1: 109,506 km (0.082 R)
• M2: 397,033 km (0.079 R)
• M3: 801,545 km (0.085 R)
• M4: 1,123,330 km (0.109 R)
• M5: 1,583,793 km (0.048 R)
• M6: 2,073,576 km (0.105 R)
• M7: 2,369,630 km (0.096 R)
• M8: 2,738,090 km (0.103 R)
• M9: 3,255,399 km (0.096 R)
• M10: 3,671,431 km (0.072 R)
• M11: 4,137,279 km (0.059 R)
• M12: 5,325,983 km (0.051 R)
• M13: 6,288,047 km (0.08 R)
• M14: 6,997,889 km (0.1 R)
• M15: 7,339,720 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 10.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.52 AU - 2.32 AU

Year: 1745 Days

Day: 5.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,464,780 km

• M1: 132,843 km (0.064 R)
• M2: 686,056 km (0.076 R)
• M3: 1,168,359 km (0.094 R)
• M4: 2,072,678 km (0.066 R)
• M5: 3,745,183 km (0.098 R)
• M6: 4,158,970 km (0.106 R)
• M7: 5,140,931 km (0.111 R)
• M8: 6,014,134 km (0.11 R)
• M9: 10,085,888 km (0.116 R)
• M10: 11,203,534 km (0.069 R)
• M11: 12,973,875 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.7

Radius: 13.1

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.3 AU - 3.04 AU

Year: 2862 Days

Day: 7.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,464,780 km

• M1: 166,652 km (0.119 R)
• M2: 644,318 km (0.106 R)
• M3: 1,253,331 km (0.062 R)
• M4: 1,873,115 km (0.068 R)
• M5: 2,373,221 km (0.054 R)
• M6: 3,320,325 km (0.088 R)
• M7: 5,934,697 km (0.075 R)
• M8: 6,844,402 km (0.095 R)
• M9: 9,160,925 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.3

Radius: 8.7

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.17 AU - 4.05 AU

Year: 4500 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,464,780 km

• M1: 108,309 km (0.088 R)
• M2: 469,887 km (0.087 R)
• M3: 754,272 km (0.071 R)
• M4: 1,095,356 km (0.057 R)
• M5: 1,516,474 km (0.043 R)
• M6: 1,947,465 km (0.078 R)
• M7: 2,570,989 km (0.108 R)
• M8: 3,001,681 km (0.054 R)
• M9: 3,302,074 km (0.076 R)
• M10: 3,898,221 km (0.093 R)
• M11: 4,491,975 km (0.119 R)
• M12: 5,859,300 km (0.106 R)
• M13: 8,076,340 km (0.115 R)
• M14: 8,549,219 km (0.076 R)
• M15: 9,670,754 km (0.097 R)
• M16: 10,372,069 km (0.06 R)
• M17: 10,843,751 km (0.087 R)
• M18: 11,329,645 km (0.102 R)
• M19: 13,269,780 km (0.068 R)
• M20: 13,672,647 km (0.106 R)
• M21: 14,769,050 km (0.091 R)
• M22: 15,531,999 km (0.119 R)
• M23: 16,493,315 km (0.084 R)
• M24: 19,357,216 km (0.099 R)
• M25: 22,042,648 km (0.091 R)
• M26: 24,287,663 km (0.118 R)
• M27: 24,966,987 km (0.095 R)
• M28: 25,581,385 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.8

Radius: 3.6

Gravity: 59.48 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.37 AU - 7.61 AU

Year: 10846 Days

Day: 23.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,464,780 km

• M1: 46,525 km (0.117 R)
• M2: 252,222 km (0.071 R)
• M3: 383,120 km (0.062 R)
• M4: 589,565 km (0.1 R)
• M5: 709,991 km (0.107 R)
• M6: 1,249,292 km (0.104 R)
• M7: 2,093,473 km (0.108 R)
• M8: 3,261,084 km (0.112 R)
• M9: 4,493,770 km (0.119 R)
• M10: 4,998,065 km (0.075 R)
• M11: 5,716,135 km (0.032 R)
• M12: 6,118,403 km (0.093 R)
• M13: 7,654,025 km (0.069 R)
• M14: 7,962,496 km (0.11 R)
• M15: 8,279,195 km (0.066 R)
• M16: 8,651,245 km (0.084 R)
• M17: 9,428,855 km (0.118 R)
• M18: 10,146,476 km (0.118 R)
• M19: 10,358,007 km (0.053 R)
• M20: 10,518,525 km (0.099 R)
• M21: 12,456,416 km (0.091 R)
• M22: 17,774,172 km (0.096 R)
• M23: 19,346,894 km (0.12 R)
• M24: 20,924,553 km (0.092 R)
• M25: 23,128,429 km (0.037 R)
• M26: 23,679,548 km (0.107 R)
• M27: 23,865,199 km (0.12 R)
• M28: 24,903,408 km (0.066 R)
• M29: 28,302,421 km (0.068 R)
• M30: 28,932,677 km (0.055 R)
• M31: 29,679,769 km (0.113 R)
• M32: 31,101,098 km (0.046 R)
• M33: 31,323,849 km (0.086 R)
• M34: 32,911,980 km (0.074 R)
• M35: 33,843,227 km (0.059 R)
• M36: 34,791,977 km (0.097 R)
• M37: 36,248,013 km (0.092 R)
• M38: 39,280,960 km (0.104 R)
• M39: 40,725,926 km (0.062 R)
• M40: 41,934,228 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.1

Radius: 3.2

Gravity: 80.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.23 AU - 8.03 AU

Year: 11199 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,464,780 km

• M1: 66,870 km (0.104 R)
• M2: 248,632 km (0.078 R)
• M3: 527,931 km (0.066 R)
• M4: 641,775 km (0.112 R)
• M5: 1,087,128 km (0.076 R)
• M6: 1,247,796 km (0.088 R)
• M7: 1,525,449 km (0.105 R)
• M8: 2,240,976 km (0.033 R)
• M9: 2,358,859 km (0.112 R)
• M10: 2,585,799 km (0.1 R)
• M11: 3,131,233 km (0.099 R)
• M12: 3,456,908 km (0.105 R)
• M13: 3,832,249 km (0.099 R)
• M14: 4,234,218 km (0.116 R)
• M15: 4,538,051 km (0.099 R)
• M16: 4,695,279 km (0.097 R)
• M17: 5,862,890 km (0.075 R)
• M18: 6,125,285 km (0.089 R)
• M19: 8,466,043 km (0.09 R)
• M20: 8,704,502 km (0.111 R)
• M21: 8,849,612 km (0.064 R)
• M22: 10,391,966 km (0.06 R)
• M23: 11,169,575 km (0.107 R)
• M24: 12,164,700 km (0.066 R)
• M25: 12,529,719 km (0.104 R)
• M26: 14,805,402 km (0.072 R)
• M27: 16,589,656 km (0.078 R)
• M28: 17,265,539 km (0.031 R)
• M29: 19,901,154 km (0.034 R)
• M30: 21,095,993 km (0.034 R)
• M31: 25,161,165 km (0.118 R)
• M32: 26,759,918 km (0.092 R)
• M33: 29,718,365 km (0.067 R)
• M34: 30,047,780 km (0.102 R)
• M35: 31,960,239 km (0.115 R)
• M36: 36,274,791 km (0.111 R)
• M37: 37,666,649 km (0.066 R)
• M38: 38,440,669 km (0.102 R)
• M39: 47,816,416 km (0.104 R)
• M40: 50,884,669 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.2

Radius: 4.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.63 AU - 10.17 AU

Year: 15971 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 163.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,464,780 km

• M1: 53,556 km (0.078 R)
• M2: 246,388 km (0.082 R)
• M3: 556,205 km (0.07 R)
• M4: 840,291 km (0.116 R)
• M5: 1,082,341 km (0.114 R)
• M6: 1,435,092 km (0.097 R)
• M7: 1,584,241 km (0.075 R)
• M8: 4,030,167 km (0.115 R)
• M9: 4,944,658 km (0.077 R)
• M10: 5,422,773 km (0.05 R)
• M11: 8,505,387 km (0.076 R)
• M12: 9,426,760 km (0.087 R)
• M13: 17,505,494 km (0.046 R)
• M14: 20,087,852 km (0.069 R)
• M15: 24,009,561 km (0.032 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit