🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 8.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.91 AU - 1.07 AU

Year: 636 Days

Day: 5.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,531,583 km

• M1: 109,506 km (0.036 R)
• M2: 763,248 km (0.086 R)
• M3: 1,552,826 km (0.111 R)
• M4: 1,879,548 km (0.105 R)
• M5: 2,633,671 km (0.103 R)
• M6: 2,914,915 km (0.089 R)
• M7: 3,778,693 km (0.083 R)
• M8: 5,130,309 km (0.099 R)
• M9: 5,438,631 km (0.116 R)
• M10: 5,811,129 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 12.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.21 AU - 4.55 AU

Year: 4935 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,531,583 km

• M1: 156,629 km (0.074 R)
• M2: 620,831 km (0.102 R)
• M3: 1,175,540 km (0.114 R)
• M4: 1,628,971 km (0.098 R)
• M5: 2,282,415 km (0.098 R)
• M6: 2,725,972 km (0.099 R)
• M7: 3,730,971 km (0.116 R)
• M8: 4,201,007 km (0.084 R)
• M9: 5,040,850 km (0.109 R)
• M10: 6,549,993 km (0.094 R)
• M11: 7,841,621 km (0.09 R)
• M12: 9,150,453 km (0.069 R)
• M13: 11,296,135 km (0.082 R)
• M14: 12,066,115 km (0.116 R)
• M15: 13,100,435 km (0.083 R)
• M16: 15,448,673 km (0.069 R)
• M17: 16,831,556 km (0.086 R)
• M18: 17,440,868 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 11.4

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.68 AU - 4.74 AU

Year: 5577 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,531,583 km

• M1: 141,968 km (0.085 R)
• M2: 622,626 km (0.114 R)
• M3: 1,095,206 km (0.11 R)
• M4: 1,593,666 km (0.046 R)
• M5: 2,290,194 km (0.038 R)
• M6: 4,160,616 km (0.034 R)
• M7: 5,244,004 km (0.111 R)
• M8: 9,404,021 km (0.11 R)
• M9: 10,349,031 km (0.028 R)
• M10: 14,245,756 km (0.056 R)
• M11: 16,937,321 km (0.111 R)
• M12: 18,198,132 km (0.115 R)
• M13: 19,734,951 km (0.043 R)
• M14: 21,055,452 km (0.118 R)
• M15: 22,512,236 km (0.112 R)
• M16: 27,107,284 km (0.089 R)
• M17: 28,645,150 km (0.11 R)
• M18: 29,670,942 km (0.106 R)
• M19: 34,226,646 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.9

Radius: 8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.52 AU - 5.84 AU

Year: 7612 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,531,583 km

• M1: 386,262 km (0.112 R)
• M2: 1,438,683 km (0.094 R)
• M3: 1,894,507 km (0.071 R)
• M4: 3,654,377 km (0.082 R)
• M5: 4,111,697 km (0.102 R)
• M6: 6,363,295 km (0.117 R)
• M7: 8,332,452 km (0.053 R)
• M8: 9,124,872 km (0.107 R)
• M9: 10,406,327 km (0.091 R)
• M10: 13,060,193 km (0.099 R)
• M11: 14,570,833 km (0.115 R)
• M12: 16,618,528 km (0.057 R)
• M13: 20,212,468 km (0.066 R)
• M14: 20,988,731 km (0.1 R)
• M15: 21,638,434 km (0.082 R)
• M16: 23,823,461 km (0.118 R)
• M17: 27,842,557 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.1

Radius: 5.4

Gravity: 16.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.8 AU - 8 AU

Year: 11703 Days

Day: 22.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,531,583 km

• M1: 67,169 km (0.066 R)
• M2: 242,947 km (0.055 R)
• M3: 517,010 km (0.11 R)
• M4: 744,698 km (0.116 R)
• M5: 945,758 km (0.056 R)
• M6: 1,171,651 km (0.114 R)
• M7: 1,487,452 km (0.111 R)
• M8: 1,703,022 km (0.065 R)
• M9: 2,197,443 km (0.085 R)
• M10: 2,458,791 km (0.037 R)
• M11: 2,911,324 km (0.063 R)
• M12: 4,514,714 km (0.034 R)
• M13: 5,969,105 km (0.05 R)
• M14: 7,378,765 km (0.075 R)
• M15: 9,279,556 km (0.112 R)
• M16: 9,519,810 km (0.11 R)
• M17: 9,962,919 km (0.091 R)
• M18: 12,796,003 km (0.053 R)
• M19: 12,974,025 km (0.076 R)
• M20: 13,214,279 km (0.096 R)
• M21: 14,652,962 km (0.05 R)
• M22: 15,510,756 km (0.116 R)
• M23: 16,262,186 km (0.104 R)
• M24: 18,738,629 km (0.116 R)
• M25: 20,306,864 km (0.094 R)
• M26: 21,205,648 km (0.088 R)
• M27: 22,994,689 km (0.108 R)
• M28: 23,791,297 km (0.058 R)
• M29: 28,859,524 km (0.087 R)
• M30: 29,682,013 km (0.108 R)
• M31: 34,030,673 km (0.104 R)
• M32: 34,372,953 km (0.115 R)
• M33: 36,713,861 km (0.098 R)
• M34: 43,829,783 km (0.059 R)
• M35: 45,327,706 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.6

Radius: 4.3

Gravity: 32.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.78 AU - 9.4 AU

Year: 16256 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,531,583 km

• M1: 53,706 km (0.089 R)
• M2: 382,073 km (0.116 R)
• M3: 546,182 km (0.119 R)
• M4: 856,448 km (0.083 R)
• M5: 1,069,326 km (0.041 R)
• M6: 1,666,520 km (0.094 R)
• M7: 1,801,906 km (0.033 R)
• M8: 2,037,523 km (0.072 R)
• M9: 2,504,717 km (0.106 R)
• M10: 3,268,863 km (0.118 R)
• M11: 3,591,994 km (0.101 R)
• M12: 3,818,934 km (0.085 R)
• M13: 4,428,396 km (0.042 R)
• M14: 4,892,150 km (0.084 R)
• M15: 5,572,221 km (0.115 R)
• M16: 6,072,327 km (0.12 R)
• M17: 7,940,655 km (0.037 R)
• M18: 8,326,169 km (0.099 R)
• M19: 8,623,420 km (0.076 R)
• M20: 9,134,446 km (0.108 R)
• M21: 13,156,983 km (0.117 R)
• M22: 14,891,122 km (0.043 R)
• M23: 16,928,944 km (0.094 R)
• M24: 24,343,762 km (0.095 R)
• M25: 24,545,121 km (0.082 R)
• M26: 27,048,043 km (0.075 R)
• M27: 31,469,707 km (0.071 R)
• M28: 38,625,721 km (0.104 R)
• M29: 41,280,036 km (0.06 R)
• M30: 44,202,880 km (0.055 R)
• M31: 45,409,686 km (0.064 R)
• M32: 47,731,145 km (0.118 R)
• M33: 55,168,404 km (0.099 R)
• M34: 56,743,071 km (0.105 R)
• M35: 57,096,870 km (0.069 R)
• M36: 57,274,442 km (0.113 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: 167 - 10,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit