🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.63 AU

Year: 166 Days

Day: 29.1 Hours

Environment

Temp: 39 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,331,621 km

• M1: 35,155 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.55 AU - 0.83 AU

Year: 254 Days

Day: 13.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.9 AU - 1.02 AU

Year: 417 Days

Day: 20.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,331,621 km

• M1: 306,825 km (0.093 R)
• M2: 325,824 km (0.081 R)

Asteroid Belt

Center: 1.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 8.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.62 AU - 2.78 AU

Year: 1965 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,331,621 km

• M1: 102,475 km (0.081 R)
• M2: 373,247 km (0.079 R)
• M3: 722,857 km (0.05 R)
• M4: 1,074,711 km (0.096 R)
• M5: 1,380,040 km (0.119 R)
• M6: 1,642,884 km (0.116 R)
• M7: 2,695,754 km (0.09 R)
• M8: 3,429,082 km (0.11 R)
• M9: 4,058,141 km (0.036 R)
• M10: 6,352,075 km (0.053 R)
• M11: 6,684,482 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.2

Radius: 12.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.5 AU - 4.02 AU

Year: 2607 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 62.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,331,621 km

• M1: 176,376 km (0.116 R)
• M2: 914,791 km (0.056 R)
• M3: 1,418,188 km (0.077 R)
• M4: 1,953,599 km (0.074 R)
• M5: 2,622,002 km (0.106 R)
• M6: 3,533,203 km (0.106 R)
• M7: 5,001,805 km (0.066 R)
• M8: 5,682,625 km (0.112 R)
• M9: 6,115,561 km (0.081 R)
• M10: 6,768,556 km (0.105 R)
• M11: 7,548,409 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.2

Radius: 11.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.07 AU - 3.99 AU

Year: 2938 Days

Day: 11.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,331,621 km

• M1: 147,055 km (0.08 R)
• M2: 555,008 km (0.11 R)
• M3: 1,126,622 km (0.081 R)
• M4: 1,492,688 km (0.091 R)
• M5: 2,339,860 km (0.1 R)
• M6: 2,720,437 km (0.077 R)
• M7: 3,963,296 km (0.072 R)
• M8: 4,424,507 km (0.118 R)
• M9: 4,921,620 km (0.047 R)
• M10: 5,576,859 km (0.052 R)
• M11: 6,236,436 km (0.071 R)
• M12: 7,118,914 km (0.07 R)
• M13: 7,681,252 km (0.047 R)
• M14: 8,145,903 km (0.096 R)
• M15: 8,827,920 km (0.043 R)
• M16: 9,442,468 km (0.104 R)
• M17: 10,718,987 km (0.064 R)
• M18: 11,458,449 km (0.117 R)
• M19: 12,148,693 km (0.116 R)
• M20: 13,257,662 km (0.113 R)
• M21: 15,189,869 km (0.075 R)
• M22: 15,774,796 km (0.083 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.7

Radius: 9.7

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.91 AU - 7.29 AU

Year: 7510 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,331,621 km

• M1: 120,725 km (0.087 R)
• M2: 487,091 km (0.105 R)
• M3: 1,070,822 km (0.104 R)
• M4: 1,654,852 km (0.112 R)
• M5: 2,439,343 km (0.054 R)
• M6: 3,010,208 km (0.078 R)
• M7: 3,361,763 km (0.108 R)
• M8: 3,716,460 km (0.041 R)
• M9: 4,254,863 km (0.116 R)
• M10: 6,049,738 km (0.086 R)
• M11: 8,819,094 km (0.032 R)
• M12: 9,683,769 km (0.115 R)
• M13: 10,906,283 km (0.12 R)
• M14: 11,740,890 km (0.059 R)
• M15: 12,449,984 km (0.103 R)
• M16: 13,187,202 km (0.09 R)
• M17: 14,013,581 km (0.092 R)
• M18: 14,999,730 km (0.055 R)
• M19: 16,497,354 km (0.093 R)
• M20: 16,972,327 km (0.119 R)
• M21: 20,948,788 km (0.071 R)
• M22: 22,900,143 km (0.118 R)
• M23: 23,236,888 km (0.074 R)
• M24: 25,506,138 km (0.099 R)
• M25: 30,786,045 km (0.083 R)
• M26: 33,843,377 km (0.08 R)
• M27: 34,390,307 km (0.114 R)
• M28: 39,339,154 km (0.065 R)
• M29: 40,187,374 km (0.083 R)
• M30: 41,920,166 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 10.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.64 AU - 8.54 AU

Year: 9262 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,331,621 km

• M1: 138,378 km (0.035 R)
• M2: 725,250 km (0.087 R)
• M3: 1,236,726 km (0.073 R)
• M4: 1,617,452 km (0.063 R)
• M5: 3,003,476 km (0.09 R)
• M6: 3,398,116 km (0.093 R)
• M7: 4,623,472 km (0.093 R)
• M8: 5,337,054 km (0.096 R)
• M9: 8,254,661 km (0.066 R)
• M10: 8,945,354 km (0.103 R)
• M11: 13,746,249 km (0.059 R)
• M12: 14,286,746 km (0.106 R)
• M13: 15,346,049 km (0.111 R)
• M14: 16,929,692 km (0.069 R)
• M15: 17,902,377 km (0.099 R)
• M16: 18,474,739 km (0.118 R)
• M17: 19,133,119 km (0.04 R)
• M18: 20,111,639 km (0.11 R)
• M19: 25,510,925 km (0.079 R)
• M20: 28,687,187 km (0.119 R)
• M21: 36,836,830 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 14.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.62 AU - 9.6 AU

Year: 11190 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 47,331,621 km

• M1: 182,809 km (0.108 R)
• M2: 712,535 km (0.046 R)
• M3: 1,177,634 km (0.076 R)
• M4: 2,094,969 km (0.108 R)
• M5: 3,449,278 km (0.109 R)
• M6: 6,921,295 km (0.075 R)
• M7: 7,935,718 km (0.119 R)
• M8: 9,046,931 km (0.113 R)
• M9: 9,519,661 km (0.062 R)
• M10: 10,158,743 km (0.045 R)
• M11: 13,918,287 km (0.112 R)
• M12: 14,872,272 km (0.047 R)
• M13: 15,937,559 km (0.094 R)
• M14: 16,558,839 km (0.091 R)
• M15: 17,053,110 km (0.048 R)
• M16: 18,823,152 km (0.112 R)
• M17: 19,284,213 km (0.078 R)
• M18: 19,752,753 km (0.091 R)
• M19: 21,703,809 km (0.108 R)
• M20: 23,073,826 km (0.099 R)
• M21: 23,691,067 km (0.075 R)
• M22: 24,500,840 km (0.116 R)
• M23: 28,124,998 km (0.095 R)
• M24: 28,627,198 km (0.101 R)
• M25: 32,201,540 km (0.07 R)
• M26: 32,861,865 km (0.079 R)
• M27: 35,593,971 km (0.089 R)
• M28: 37,739,952 km (0.048 R)
• M29: 42,419,823 km (0.034 R)
• M30: 45,931,034 km (0.096 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: 343 - 15,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit