🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.1

Radius: 15

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 436 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,200,473 km

• M1: 186,698 km (0.096 R)
• M2: 858,692 km (0.054 R)
• M3: 1,390,063 km (0.111 R)
• M4: 2,139,250 km (0.086 R)
• M5: 2,838,620 km (0.097 R)
• M6: 3,350,992 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 12.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.99 AU - 2.25 AU

Year: 1993 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,200,473 km

• M1: 151,692 km (0.095 R)
• M2: 716,424 km (0.099 R)
• M3: 1,102,088 km (0.072 R)
• M4: 2,018,973 km (0.052 R)
• M5: 2,675,708 km (0.087 R)
• M6: 3,470,671 km (0.086 R)
• M7: 4,048,268 km (0.07 R)
• M8: 4,708,892 km (0.112 R)
• M9: 5,396,594 km (0.109 R)
• M10: 7,424,542 km (0.059 R)
• M11: 8,095,489 km (0.043 R)
• M12: 8,535,007 km (0.08 R)
• M13: 9,430,351 km (0.108 R)
• M14: 12,610,053 km (0.114 R)
• M15: 13,525,143 km (0.102 R)
• M16: 14,103,489 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.6

Radius: 12.2

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.06 AU - 2.42 AU

Year: 2165 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 153.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,200,473 km

• M1: 151,692 km (0.112 R)
• M2: 568,921 km (0.109 R)
• M3: 1,017,714 km (0.051 R)
• M4: 1,931,757 km (0.084 R)
• M5: 2,370,827 km (0.098 R)
• M6: 3,489,370 km (0.088 R)
• M7: 4,048,717 km (0.1 R)
• M8: 5,300,851 km (0.053 R)
• M9: 6,492,697 km (0.109 R)
• M10: 8,654,087 km (0.114 R)
• M11: 10,153,357 km (0.113 R)
• M12: 12,867,810 km (0.107 R)
• M13: 13,392,749 km (0.105 R)
• M14: 13,977,527 km (0.061 R)
• M15: 14,532,236 km (0.107 R)
• M16: 15,933,968 km (0.09 R)
• M17: 16,437,664 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 10.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.19 AU - 2.99 AU

Year: 2691 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,200,473 km

• M1: 128,056 km (0.05 R)
• M2: 506,239 km (0.042 R)
• M3: 899,382 km (0.07 R)
• M4: 1,340,846 km (0.075 R)
• M5: 1,856,210 km (0.101 R)
• M6: 2,349,734 km (0.111 R)
• M7: 2,791,047 km (0.094 R)
• M8: 3,879,222 km (0.074 R)
• M9: 4,373,943 km (0.107 R)
• M10: 4,843,680 km (0.108 R)
• M11: 6,485,068 km (0.057 R)
• M12: 9,303,641 km (0.091 R)
• M13: 11,851,443 km (0.099 R)
• M14: 12,895,037 km (0.102 R)
• M15: 13,818,056 km (0.106 R)
• M16: 14,597,162 km (0.101 R)
• M17: 15,405,290 km (0.044 R)
• M18: 15,844,958 km (0.078 R)
• M19: 16,393,683 km (0.062 R)
• M20: 16,852,200 km (0.103 R)
• M21: 18,116,452 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 9.9

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.29 AU - 4.61 AU

Year: 5069 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,200,473 km

• M1: 123,568 km (0.081 R)
• M2: 509,680 km (0.075 R)
• M3: 971,638 km (0.116 R)
• M4: 1,639,593 km (0.074 R)
• M5: 2,222,576 km (0.115 R)
• M6: 2,732,704 km (0.118 R)
• M7: 3,195,560 km (0.029 R)
• M8: 3,665,297 km (0.082 R)
• M9: 4,229,880 km (0.109 R)
• M10: 6,571,984 km (0.111 R)
• M11: 8,387,653 km (0.089 R)
• M12: 8,868,910 km (0.074 R)
• M13: 9,539,258 km (0.092 R)
• M14: 10,424,279 km (0.047 R)
• M15: 10,840,011 km (0.117 R)
• M16: 12,357,233 km (0.109 R)
• M17: 16,050,505 km (0.057 R)
• M18: 17,045,780 km (0.102 R)
• M19: 32,388,089 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251

Radius: 13.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.76 AU - 6.34 AU

Year: 8442 Days

Day: 8.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,200,473 km

• M1: 171,589 km (0.066 R)
• M2: 659,128 km (0.081 R)
• M3: 1,132,905 km (0.082 R)
• M4: 2,165,728 km (0.096 R)
• M5: 3,060,473 km (0.069 R)
• M6: 3,520,038 km (0.08 R)
• M7: 4,189,339 km (0.083 R)
• M8: 5,637,596 km (0.08 R)
• M9: 7,258,489 km (0.108 R)
• M10: 7,789,711 km (0.096 R)
• M11: 10,311,332 km (0.106 R)
• M12: 10,756,685 km (0.079 R)
• M13: 12,219,603 km (0.107 R)
• M14: 13,024,739 km (0.057 R)
• M15: 17,781,652 km (0.078 R)
• M16: 24,598,677 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.6

Radius: 4.1

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.67 AU - 8.51 AU

Year: 14857 Days

Day: 22.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,200,473 km

• M1: 53,855 km (0.084 R)
• M2: 188,793 km (0.117 R)
• M3: 318,943 km (0.102 R)
• M4: 468,241 km (0.1 R)
• M5: 773,720 km (0.045 R)
• M6: 975,977 km (0.116 R)
• M7: 1,153,250 km (0.081 R)
• M8: 2,663,590 km (0.048 R)
• M9: 2,877,665 km (0.089 R)
• M10: 3,011,555 km (0.036 R)
• M11: 3,931,582 km (0.064 R)
• M12: 4,835,003 km (0.118 R)
• M13: 5,589,126 km (0.107 R)
• M14: 5,868,874 km (0.093 R)
• M15: 6,418,497 km (0.095 R)
• M16: 9,010,130 km (0.058 R)
• M17: 9,992,091 km (0.081 R)
• M18: 10,561,460 km (0.105 R)
• M19: 11,261,877 km (0.109 R)
• M20: 16,197,111 km (0.086 R)
• M21: 17,054,157 km (0.108 R)
• M22: 20,210,822 km (0.119 R)
• M23: 21,203,404 km (0.091 R)
• M24: 21,882,877 km (0.12 R)
• M25: 24,191,621 km (0.104 R)
• M26: 24,375,776 km (0.063 R)
• M27: 27,349,184 km (0.096 R)
• M28: 28,459,798 km (0.091 R)
• M29: 28,767,970 km (0.1 R)
• M30: 29,182,057 km (0.088 R)
• M31: 31,421,986 km (0.108 R)
• M32: 34,003,746 km (0.097 R)
• M33: 48,466,868 km (0.112 R)
• M34: 48,613,025 km (0.098 R)
• M35: 48,759,481 km (0.1 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: 448 - 10,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit