🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.48 AU - 0.74 AU

Year: 201 Days

Day: 47.6 Hours

Environment

Temp: 40 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,482,215 km

• M1: 43,982 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.68 AU - 0.94 AU

Year: 307 Days

Day: 25.5 Hours

Environment

Temp: -21 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 90,482,215 km

• M1: 444,754 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.78 AU - 1.02 AU

Year: 360 Days

Day: 20.7 Hours

Environment

Temp: -28 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,482,215 km

• M1: 84,972 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.08 AU - 1.6 AU

Year: 654 Days

Day: 15.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.16 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.91 AU - 3.03 AU

Year: 2159 Days

Day: 9.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,482,215 km

• M1: 158,125 km (0.12 R)
• M2: 614,398 km (0.093 R)
• M3: 1,029,981 km (0.102 R)
• M4: 1,832,873 km (0.073 R)
• M5: 2,261,471 km (0.119 R)
• M6: 3,522,880 km (0.052 R)
• M7: 5,264,947 km (0.108 R)
• M8: 5,693,097 km (0.079 R)
• M9: 9,154,043 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 11.4

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.85 AU - 4.29 AU

Year: 2845 Days

Day: 11.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,482,215 km

• M1: 148,700 km (0.106 R)
• M2: 772,523 km (0.12 R)
• M3: 1,369,120 km (0.085 R)
• M4: 1,837,062 km (0.114 R)
• M5: 2,572,485 km (0.059 R)
• M6: 3,531,856 km (0.115 R)
• M7: 4,042,583 km (0.111 R)
• M8: 5,411,254 km (0.119 R)
• M9: 5,771,037 km (0.042 R)
• M10: 6,174,203 km (0.059 R)
• M11: 7,979,401 km (0.097 R)
• M12: 9,436,933 km (0.069 R)
• M13: 10,113,115 km (0.084 R)
• M14: 10,581,656 km (0.091 R)
• M15: 11,353,132 km (0.078 R)
• M16: 11,902,455 km (0.08 R)
• M17: 12,557,993 km (0.061 R)
• M18: 15,322,263 km (0.066 R)
• M19: 17,673,044 km (0.069 R)
• M20: 21,316,350 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.9

Radius: 6.9

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 9.65 AU - 12.09 AU

Year: 15115 Days

Day: 25 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,482,215 km

• M1: 85,869 km (0.088 R)
• M2: 528,529 km (0.098 R)
• M3: 894,146 km (0.083 R)
• M4: 1,135,298 km (0.079 R)
• M5: 1,556,416 km (0.072 R)
• M6: 2,640,702 km (0.119 R)
• M7: 2,995,099 km (0.103 R)
• M8: 3,916,472 km (0.083 R)
• M9: 4,539,847 km (0.099 R)
• M10: 5,263,601 km (0.056 R)
• M11: 7,248,166 km (0.087 R)
• M12: 7,707,133 km (0.107 R)
• M13: 8,039,838 km (0.094 R)
• M14: 10,184,473 km (0.047 R)
• M15: 11,418,656 km (0.083 R)
• M16: 17,036,505 km (0.109 R)
• M17: 28,309,303 km (0.109 R)
• M18: 28,873,735 km (0.101 R)
• M19: 30,494,180 km (0.112 R)
• M20: 32,789,011 km (0.073 R)
• M21: 34,168,902 km (0.101 R)
• M22: 39,094,262 km (0.042 R)
• M23: 40,218,041 km (0.108 R)
• M24: 45,082,066 km (0.058 R)
• M25: 50,819,743 km (0.117 R)
• M26: 52,495,838 km (0.112 R)
• M27: 53,519,087 km (0.093 R)
• M28: 55,253,674 km (0.059 R)
• M29: 63,333,007 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.7

Radius: 7.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.91 AU - 16.19 AU

Year: 21036 Days

Day: 15.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,482,215 km

• M1: 111,002 km (0.106 R)
• M2: 426,504 km (0.109 R)
• M3: 688,001 km (0.036 R)
• M4: 1,697,188 km (0.108 R)
• M5: 2,566,202 km (0.113 R)
• M6: 2,928,528 km (0.111 R)
• M7: 4,139,223 km (0.109 R)
• M8: 5,277,962 km (0.049 R)
• M9: 6,010,394 km (0.101 R)
• M10: 6,458,439 km (0.108 R)
• M11: 7,980,897 km (0.105 R)
• M12: 8,992,178 km (0.046 R)
• M13: 13,144,267 km (0.067 R)
• M14: 13,392,749 km (0.113 R)
• M15: 21,696,030 km (0.098 R)
• M16: 23,836,476 km (0.098 R)
• M17: 24,113,681 km (0.104 R)
• M18: 25,724,700 km (0.089 R)
• M19: 30,768,243 km (0.112 R)
• M20: 31,984,623 km (0.112 R)
• M21: 32,548,009 km (0.069 R)
• M22: 33,694,676 km (0.108 R)
• M23: 34,395,393 km (0.052 R)
• M24: 40,749,114 km (0.084 R)
• M25: 41,278,092 km (0.098 R)
• M26: 45,961,851 km (0.102 R)
• M27: 47,113,306 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742

Radius: 6.5

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 14.71 AU - 15.63 AU

Year: 24919 Days

Day: 15.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,482,215 km

• M1: 82,428 km (0.025 R)
• M2: 1,096,852 km (0.105 R)
• M3: 1,314,965 km (0.067 R)
• M4: 1,527,544 km (0.077 R)
• M5: 2,308,594 km (0.089 R)
• M6: 2,521,622 km (0.058 R)
• M7: 2,960,542 km (0.094 R)
• M8: 3,479,497 km (0.051 R)
• M9: 3,956,864 km (0.057 R)
• M10: 4,404,909 km (0.098 R)
• M11: 5,866,480 km (0.103 R)
• M12: 6,130,820 km (0.118 R)
• M13: 7,168,580 km (0.1 R)
• M14: 8,937,725 km (0.058 R)
• M15: 9,708,303 km (0.091 R)
• M16: 10,847,192 km (0.068 R)
• M17: 11,932,076 km (0.095 R)
• M18: 12,428,890 km (0.093 R)
• M19: 12,718,811 km (0.118 R)
• M20: 13,463,509 km (0.119 R)
• M21: 15,039,523 km (0.085 R)
• M22: 17,177,426 km (0.092 R)
• M23: 17,994,380 km (0.113 R)
• M24: 20,199,153 km (0.091 R)
• M25: 24,338,826 km (0.069 R)
• M26: 27,760,129 km (0.069 R)
• M27: 39,141,535 km (0.115 R)
• M28: 40,236,741 km (0.091 R)
• M29: 50,107,807 km (0.071 R)
• M30: 51,584,487 km (0.115 R)
• M31: 56,188,511 km (0.072 R)
• M32: 64,241,664 km (0.083 R)
• M33: 72,094,355 km (0.106 R)
• M34: 76,613,857 km (0.039 R)
• M35: 82,587,748 km (0.094 R)
• M36: 89,671,058 km (0.081 R)
• M37: 90,482,178 km (0.028 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 19,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit