🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516

Radius: 13.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.7 AU - 0.9 AU

Year: 469 Days

Day: 14.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,281,416 km

• M1: 170,691 km (0.084 R)
• M2: 632,949 km (0.085 R)
• M3: 1,745,807 km (0.114 R)
• M4: 2,742,727 km (0.05 R)
• M5: 3,295,342 km (0.089 R)
• M6: 4,237,210 km (0.084 R)
• M7: 5,055,959 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 10.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.94 AU - 1.5 AU

Year: 884 Days

Day: 11.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,281,416 km

• M1: 144,063 km (0.093 R)
• M2: 546,780 km (0.104 R)
• M3: 989,440 km (0.069 R)
• M4: 1,322,445 km (0.053 R)
• M5: 1,759,570 km (0.098 R)
• M6: 2,259,377 km (0.087 R)
• M7: 2,930,473 km (0.082 R)
• M8: 3,667,990 km (0.084 R)
• M9: 4,247,981 km (0.106 R)
• M10: 4,963,059 km (0.12 R)
• M11: 5,489,943 km (0.087 R)
• M12: 6,586,944 km (0.06 R)
• M13: 7,031,100 km (0.076 R)
• M14: 8,057,940 km (0.075 R)
• M15: 9,011,327 km (0.116 R)
• M16: 9,412,997 km (0.074 R)
• M17: 9,977,430 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 11.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.87 AU - 1.91 AU

Year: 1705 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,281,416 km

• M1: 143,614 km (0.119 R)
• M2: 570,117 km (0.097 R)
• M3: 1,276,369 km (0.104 R)
• M4: 1,831,826 km (0.112 R)
• M5: 2,311,885 km (0.099 R)
• M6: 2,944,684 km (0.066 R)
• M7: 3,942,053 km (0.105 R)
• M8: 4,968,145 km (0.118 R)
• M9: 5,642,383 km (0.097 R)
• M10: 6,234,342 km (0.103 R)
• M11: 11,108,988 km (0.102 R)
• M12: 12,188,038 km (0.099 R)
• M13: 13,061,689 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.3

Radius: 8

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.27 AU - 3.07 AU

Year: 2862 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,281,416 km

• M1: 99,483 km (0.069 R)
• M2: 450,888 km (0.095 R)
• M3: 800,947 km (0.106 R)
• M4: 1,224,159 km (0.067 R)
• M5: 1,839,605 km (0.042 R)
• M6: 2,927,780 km (0.12 R)
• M7: 3,247,770 km (0.068 R)
• M8: 3,571,200 km (0.086 R)
• M9: 4,043,032 km (0.056 R)
• M10: 6,444,676 km (0.06 R)
• M11: 6,864,897 km (0.113 R)
• M12: 8,695,077 km (0.119 R)
• M13: 20,282,928 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 11.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.55 AU - 3.77 AU

Year: 3685 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,281,416 km

• M1: 140,921 km (0.078 R)
• M2: 606,470 km (0.118 R)
• M3: 1,017,864 km (0.092 R)
• M4: 1,423,274 km (0.087 R)
• M5: 2,057,270 km (0.103 R)
• M6: 2,479,136 km (0.079 R)
• M7: 2,958,747 km (0.095 R)
• M8: 4,217,463 km (0.06 R)
• M9: 6,503,019 km (0.047 R)
• M10: 8,351,900 km (0.115 R)
• M11: 8,789,772 km (0.114 R)
• M12: 9,166,310 km (0.094 R)
• M13: 10,696,697 km (0.093 R)
• M14: 12,066,265 km (0.102 R)
• M15: 12,579,236 km (0.053 R)
• M16: 13,799,506 km (0.09 R)
• M17: 14,360,797 km (0.048 R)
• M18: 14,884,091 km (0.119 R)
• M19: 19,477,194 km (0.113 R)
• M20: 22,128,667 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.3

Radius: 10.9

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.81 AU - 6.87 AU

Year: 9258 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,281,416 km

• M1: 135,536 km (0.04 R)
• M2: 519,105 km (0.112 R)
• M3: 875,596 km (0.099 R)
• M4: 1,443,470 km (0.084 R)
• M5: 2,492,749 km (0.092 R)
• M6: 3,672,628 km (0.081 R)
• M7: 4,046,622 km (0.115 R)
• M8: 4,416,578 km (0.077 R)
• M9: 5,225,005 km (0.05 R)
• M10: 6,352,374 km (0.052 R)
• M11: 8,892,397 km (0.108 R)
• M12: 9,570,673 km (0.059 R)
• M13: 11,195,306 km (0.098 R)
• M14: 15,050,593 km (0.118 R)
• M15: 15,665,440 km (0.091 R)
• M16: 17,091,557 km (0.105 R)
• M17: 18,680,137 km (0.06 R)
• M18: 19,550,497 km (0.056 R)
• M19: 21,117,235 km (0.102 R)
• M20: 25,064,375 km (0.109 R)
• M21: 25,445,850 km (0.081 R)
• M22: 27,311,485 km (0.104 R)
• M23: 31,423,631 km (0.111 R)
• M24: 34,149,454 km (0.106 R)
• M25: 35,689,863 km (0.116 R)
• M26: 36,906,094 km (0.089 R)
• M27: 39,678,442 km (0.06 R)
• M28: 40,588,894 km (0.096 R)
• M29: 43,678,838 km (0.074 R)
• M30: 46,777,908 km (0.104 R)
• M31: 49,270,807 km (0.055 R)
• M32: 50,322,629 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.6

Radius: 4.8

Gravity: 42.34 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.1 AU - 7.1 AU

Year: 12411 Days

Day: 19.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,281,416 km

• M1: 61,186 km (0.071 R)
• M2: 300,542 km (0.074 R)
• M3: 528,230 km (0.064 R)
• M4: 713,283 km (0.115 R)
• M5: 3,923,653 km (0.11 R)
• M6: 5,396,145 km (0.07 R)
• M7: 10,355,464 km (0.068 R)
• M8: 11,950,476 km (0.092 R)
• M9: 12,969,088 km (0.111 R)
• M10: 13,975,433 km (0.107 R)
• M11: 14,745,862 km (0.101 R)
• M12: 21,219,261 km (0.106 R)
• M13: 23,477,890 km (0.072 R)
• M14: 24,364,556 km (0.041 R)
• M15: 25,171,338 km (0.091 R)
• M16: 26,944,521 km (0.11 R)
• M17: 28,465,932 km (0.044 R)
• M18: 31,797,925 km (0.035 R)
• M19: 32,276,937 km (0.093 R)
• M20: 40,330,539 km (0.08 R)
• M21: 47,257,967 km (0.069 R)
• M22: 53,238,741 km (0.058 R)
• M23: 58,981,504 km (0.103 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 13,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit