🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.55 AU - 0.67 AU

Year: 175 Days

Day: 12.1 Hours

Environment

Temp: 170 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,922,077 km

• M1: 71,657 km (0.101 R)
• M2: 328,068 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 253 Days

Day: 46.3 Hours

Environment

Temp: 97 °C

Axial Tilt: 17.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.96 AU - 2.48 AU

Year: 1214 Days

Day: 41.4 Hours

Environment

Temp: -75 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.87 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 12.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.06 AU - 5.98 AU

Year: 4761 Days

Day: 10.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,922,077 km

• M1: 155,432 km (0.079 R)
• M2: 688,898 km (0.049 R)
• M3: 1,467,256 km (0.113 R)
• M4: 2,759,183 km (0.103 R)
• M5: 4,380,525 km (0.097 R)
• M6: 5,617,998 km (0.039 R)
• M7: 6,427,024 km (0.109 R)
• M8: 8,572,556 km (0.112 R)
• M9: 9,430,799 km (0.099 R)
• M10: 10,688,917 km (0.118 R)
• M11: 11,358,518 km (0.041 R)
• M12: 12,781,792 km (0.077 R)
• M13: 17,119,681 km (0.104 R)
• M14: 18,312,874 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 14.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.25 AU - 9.81 AU

Year: 9145 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,922,077 km

• M1: 180,864 km (0.102 R)
• M2: 644,168 km (0.1 R)
• M3: 1,123,031 km (0.085 R)
• M4: 2,243,070 km (0.1 R)
• M5: 2,767,112 km (0.084 R)
• M6: 3,240,888 km (0.03 R)
• M7: 4,248,580 km (0.067 R)
• M8: 4,797,604 km (0.093 R)
• M9: 5,363,084 km (0.112 R)
• M10: 6,006,205 km (0.097 R)
• M11: 6,700,489 km (0.054 R)
• M12: 8,715,572 km (0.078 R)
• M13: 10,266,603 km (0.034 R)
• M14: 12,156,473 km (0.117 R)
• M15: 12,649,398 km (0.091 R)
• M16: 13,442,715 km (0.037 R)
• M17: 14,208,806 km (0.059 R)
• M18: 20,642,711 km (0.061 R)
• M19: 25,190,187 km (0.05 R)
• M20: 28,408,636 km (0.115 R)
• M21: 29,967,445 km (0.049 R)
• M22: 33,149,093 km (0.118 R)
• M23: 33,789,970 km (0.114 R)
• M24: 37,233,564 km (0.091 R)
• M25: 40,539,228 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 13.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 11.67 AU - 12.35 AU

Year: 15279 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,922,077 km

• M1: 167,400 km (0.098 R)
• M2: 609,761 km (0.069 R)
• M3: 1,216,979 km (0.04 R)
• M4: 1,640,490 km (0.059 R)
• M5: 2,271,943 km (0.075 R)
• M6: 2,907,734 km (0.092 R)
• M7: 3,339,922 km (0.041 R)
• M8: 4,055,897 km (0.047 R)
• M9: 5,320,149 km (0.049 R)
• M10: 6,116,010 km (0.119 R)
• M11: 6,871,479 km (0.071 R)
• M12: 9,369,315 km (0.112 R)
• M13: 10,742,623 km (0.044 R)
• M14: 11,339,070 km (0.079 R)
• M15: 12,187,888 km (0.108 R)
• M16: 14,857,462 km (0.106 R)
• M17: 15,804,865 km (0.081 R)
• M18: 22,531,384 km (0.11 R)
• M19: 23,240,328 km (0.107 R)
• M20: 25,743,550 km (0.07 R)
• M21: 30,307,033 km (0.108 R)
• M22: 34,558,903 km (0.112 R)
• M23: 35,740,726 km (0.11 R)
• M24: 36,341,661 km (0.083 R)
• M25: 36,949,178 km (0.117 R)
• M26: 38,812,868 km (0.058 R)
• M27: 41,131,037 km (0.086 R)
• M28: 46,183,555 km (0.027 R)

Asteroid Belt

Center: 12.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.9

Radius: 7.8

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.16 AU - 15.04 AU

Year: 16418 Days

Day: 23.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,922,077 km

• M1: 97,239 km (0.05 R)
• M2: 367,562 km (0.096 R)
• M3: 1,563,148 km (0.113 R)
• M4: 1,835,267 km (0.059 R)
• M5: 2,079,710 km (0.063 R)
• M6: 2,589,240 km (0.113 R)
• M7: 2,973,258 km (0.099 R)
• M8: 3,478,150 km (0.092 R)
• M9: 4,489,582 km (0.087 R)
• M10: 5,339,896 km (0.117 R)
• M11: 6,168,519 km (0.04 R)
• M12: 7,079,869 km (0.077 R)
• M13: 8,078,285 km (0.039 R)
• M14: 9,946,314 km (0.107 R)
• M15: 11,011,301 km (0.06 R)
• M16: 12,281,686 km (0.086 R)
• M17: 14,959,787 km (0.08 R)
• M18: 15,492,355 km (0.105 R)
• M19: 18,433,001 km (0.108 R)
• M20: 21,247,086 km (0.09 R)
• M21: 27,146,030 km (0.086 R)
• M22: 28,397,715 km (0.037 R)
• M23: 28,745,680 km (0.108 R)
• M24: 30,407,114 km (0.108 R)
• M25: 31,756,786 km (0.049 R)
• M26: 35,104,936 km (0.1 R)
• M27: 37,835,097 km (0.035 R)
• M28: 38,681,073 km (0.102 R)
• M29: 40,703,785 km (0.079 R)
• M30: 49,000,633 km (0.061 R)
• M31: 51,023,944 km (0.078 R)
• M32: 58,731,526 km (0.04 R)
• M33: 60,055,467 km (0.029 R)
• M34: 61,592,884 km (0.105 R)
• M35: 69,674,759 km (0.076 R)
• M36: 70,519,688 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.1

Radius: 5.1

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.36 AU - 17.5 AU

Year: 22250 Days

Day: 22.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 62.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,922,077 km

• M1: 63,429 km (0.053 R)
• M2: 281,394 km (0.107 R)
• M3: 442,511 km (0.039 R)
• M4: 619,036 km (0.089 R)
• M5: 823,387 km (0.094 R)
• M6: 1,048,980 km (0.109 R)
• M7: 2,476,593 km (0.055 R)
• M8: 2,672,716 km (0.078 R)
• M9: 3,071,693 km (0.11 R)
• M10: 3,590,798 km (0.081 R)
• M11: 6,381,995 km (0.08 R)
• M12: 7,400,158 km (0.064 R)
• M13: 8,522,291 km (0.11 R)
• M14: 16,318,136 km (0.07 R)
• M15: 17,480,661 km (0.056 R)
• M16: 19,969,221 km (0.034 R)
• M17: 20,493,861 km (0.109 R)
• M18: 24,824,869 km (0.066 R)
• M19: 27,739,335 km (0.064 R)
• M20: 28,722,492 km (0.064 R)
• M21: 29,055,198 km (0.054 R)
• M22: 31,223,020 km (0.057 R)
• M23: 36,005,964 km (0.057 R)
• M24: 47,608,026 km (0.077 R)
• M25: 50,289,718 km (0.095 R)
• M26: 50,934,933 km (0.113 R)
• M27: 52,738,037 km (0.113 R)
• M28: 55,951,698 km (0.096 R)
• M29: 56,993,198 km (0.042 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 18,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit