🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.93 AU - 1.09 AU

Year: 375 Days

Day: 14.4 Hours

Environment

Temp: 21 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,338,839 km

• M1: 447,896 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.93 AU - 4.45 AU

Year: 2615 Days

Day: 34 Hours

Environment

Temp: -126 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,338,839 km

• M1: 38,895 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 11.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.09 AU - 7.29 AU

Year: 5682 Days

Day: 10.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,338,839 km

• M1: 143,016 km (0.086 R)
• M2: 602,580 km (0.038 R)
• M3: 1,230,143 km (0.104 R)
• M4: 2,189,664 km (0.052 R)
• M5: 2,744,223 km (0.111 R)
• M6: 3,433,421 km (0.103 R)
• M7: 5,368,170 km (0.086 R)
• M8: 6,738,786 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.4

Radius: 5.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 10.57 AU - 14.25 AU

Year: 16130 Days

Day: 19.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,338,839 km

• M1: 72,705 km (0.115 R)
• M2: 267,032 km (0.104 R)
• M3: 474,076 km (0.074 R)
• M4: 808,876 km (0.062 R)
• M5: 1,055,862 km (0.098 R)
• M6: 1,243,906 km (0.081 R)
• M7: 1,467,705 km (0.092 R)
• M8: 2,686,329 km (0.09 R)
• M9: 2,998,091 km (0.044 R)
• M10: 4,241,548 km (0.097 R)
• M11: 5,054,014 km (0.12 R)
• M12: 5,432,198 km (0.115 R)
• M13: 5,829,081 km (0.114 R)
• M14: 6,245,113 km (0.115 R)
• M15: 8,109,401 km (0.063 R)
• M16: 8,895,089 km (0.073 R)
• M17: 9,730,444 km (0.107 R)
• M18: 13,718,424 km (0.106 R)
• M19: 14,578,612 km (0.045 R)
• M20: 15,869,342 km (0.097 R)
• M21: 17,587,474 km (0.106 R)
• M22: 17,873,505 km (0.056 R)
• M23: 19,350,036 km (0.11 R)
• M24: 20,273,952 km (0.117 R)
• M25: 20,746,831 km (0.11 R)
• M26: 24,264,924 km (0.062 R)
• M27: 24,977,309 km (0.051 R)
• M28: 26,071,917 km (0.078 R)
• M29: 30,154,742 km (0.075 R)
• M30: 36,697,405 km (0.062 R)
• M31: 41,421,706 km (0.104 R)
• M32: 43,211,794 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 4.9

Gravity: 26.14 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 12.18 AU - 13.1 AU

Year: 16581 Days

Day: 15.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,338,839 km

• M1: 60,886 km (0.069 R)
• M2: 214,224 km (0.116 R)
• M3: 428,448 km (0.086 R)
• M4: 664,364 km (0.113 R)
• M5: 928,255 km (0.053 R)
• M6: 1,154,148 km (0.111 R)
• M7: 1,569,282 km (0.041 R)
• M8: 1,767,948 km (0.115 R)
• M9: 1,927,868 km (0.086 R)
• M10: 2,951,416 km (0.053 R)
• M11: 4,421,365 km (0.076 R)
• M12: 5,498,470 km (0.106 R)
• M13: 7,448,328 km (0.119 R)
• M14: 10,435,199 km (0.094 R)
• M15: 10,960,587 km (0.095 R)
• M16: 12,839,536 km (0.071 R)
• M17: 13,105,372 km (0.045 R)
• M18: 16,586,963 km (0.068 R)
• M19: 23,086,691 km (0.1 R)
• M20: 24,583,717 km (0.118 R)
• M21: 28,213,710 km (0.111 R)
• M22: 32,430,126 km (0.111 R)
• M23: 33,047,067 km (0.056 R)
• M24: 33,797,749 km (0.039 R)
• M25: 34,816,062 km (0.044 R)
• M26: 40,216,545 km (0.096 R)
• M27: 44,614,723 km (0.085 R)
• M28: 49,160,852 km (0.088 R)
• M29: 50,467,290 km (0.063 R)
• M30: 55,924,322 km (0.086 R)
• M31: 58,249,222 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.2

Radius: 3.9

Gravity: 57.48 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 13.12 AU - 16.5 AU

Year: 21029 Days

Day: 22.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,338,839 km

• M1: 48,619 km (0.093 R)
• M2: 272,717 km (0.038 R)
• M3: 633,547 km (0.05 R)
• M4: 1,242,410 km (0.106 R)
• M5: 1,446,163 km (0.096 R)
• M6: 1,764,806 km (0.067 R)
• M7: 2,397,755 km (0.067 R)
• M8: 2,638,906 km (0.078 R)
• M9: 3,550,855 km (0.104 R)
• M10: 3,736,805 km (0.063 R)
• M11: 6,232,995 km (0.114 R)
• M12: 8,029,666 km (0.112 R)
• M13: 9,540,006 km (0.086 R)
• M14: 10,709,861 km (0.073 R)
• M15: 10,967,768 km (0.095 R)
• M16: 11,698,404 km (0.065 R)
• M17: 13,855,156 km (0.117 R)
• M18: 14,316,217 km (0.11 R)
• M19: 16,010,563 km (0.105 R)
• M20: 18,105,232 km (0.048 R)
• M21: 21,273,715 km (0.085 R)
• M22: 27,824,157 km (0.041 R)
• M23: 28,804,472 km (0.071 R)
• M24: 32,685,489 km (0.076 R)
• M25: 33,638,577 km (0.096 R)
• M26: 34,610,215 km (0.06 R)
• M27: 35,173,751 km (0.07 R)
• M28: 36,754,850 km (0.102 R)
• M29: 39,443,274 km (0.069 R)
• M30: 40,367,789 km (0.049 R)
• M31: 42,099,982 km (0.079 R)
• M32: 59,771,081 km (0.082 R)
• M33: 67,333,104 km (0.035 R)
• M34: 67,770,977 km (0.08 R)
• M35: 82,055,629 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 16,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit