🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.64 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 10.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.54 AU - 4 AU

Year: 3818 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,651,684 km

• M1: 126,261 km (0.119 R)
• M2: 570,417 km (0.078 R)
• M3: 958,474 km (0.103 R)
• M4: 1,431,352 km (0.095 R)
• M5: 1,974,692 km (0.116 R)
• M6: 2,553,636 km (0.073 R)
• M7: 3,307,609 km (0.074 R)
• M8: 3,683,698 km (0.074 R)
• M9: 4,031,363 km (0.067 R)
• M10: 5,344,683 km (0.105 R)
• M11: 6,012,189 km (0.094 R)
• M12: 6,815,081 km (0.108 R)
• M13: 7,894,728 km (0.076 R)
• M14: 8,538,448 km (0.102 R)
• M15: 9,117,841 km (0.086 R)
• M16: 9,620,340 km (0.053 R)
• M17: 10,105,935 km (0.09 R)
• M18: 12,660,169 km (0.067 R)
• M19: 14,241,268 km (0.12 R)
• M20: 14,735,689 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 8.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.62 AU - 4.04 AU

Year: 4840 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,651,684 km

• M1: 100,679 km (0.1 R)
• M2: 355,744 km (0.079 R)
• M3: 688,449 km (0.065 R)
• M4: 1,299,258 km (0.092 R)
• M5: 1,577,809 km (0.052 R)
• M6: 1,861,596 km (0.07 R)
• M7: 2,271,195 km (0.075 R)
• M8: 3,153,523 km (0.072 R)
• M9: 3,626,402 km (0.096 R)
• M10: 4,247,233 km (0.12 R)
• M11: 4,583,230 km (0.093 R)
• M12: 5,143,923 km (0.116 R)
• M13: 6,986,819 km (0.117 R)
• M14: 7,396,268 km (0.08 R)
• M15: 8,923,214 km (0.108 R)
• M16: 11,390,681 km (0.118 R)
• M17: 12,544,978 km (0.072 R)
• M18: 13,282,795 km (0.118 R)
• M19: 14,654,907 km (0.112 R)
• M20: 16,576,641 km (0.059 R)
• M21: 17,411,547 km (0.094 R)
• M22: 18,549,687 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 8.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.35 AU - 5.49 AU

Year: 6000 Days

Day: 5.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,651,684 km

• M1: 102,026 km (0.1 R)
• M2: 381,624 km (0.064 R)
• M3: 685,158 km (0.109 R)
• M4: 979,866 km (0.096 R)
• M5: 1,253,780 km (0.12 R)
• M6: 2,122,195 km (0.105 R)
• M7: 2,554,982 km (0.094 R)
• M8: 3,954,769 km (0.116 R)
• M9: 4,335,795 km (0.101 R)
• M10: 4,741,205 km (0.087 R)
• M11: 6,079,807 km (0.094 R)
• M12: 6,653,964 km (0.093 R)
• M13: 7,022,124 km (0.081 R)
• M14: 8,950,441 km (0.056 R)
• M15: 12,366,957 km (0.111 R)
• M16: 12,924,358 km (0.068 R)
• M17: 13,287,732 km (0.088 R)
• M18: 16,384,408 km (0.12 R)
• M19: 18,587,685 km (0.109 R)
• M20: 19,251,750 km (0.119 R)
• M21: 20,000,338 km (0.103 R)
• M22: 20,697,763 km (0.091 R)
• M23: 21,993,580 km (0.106 R)
• M24: 23,726,970 km (0.069 R)
• M25: 24,825,767 km (0.09 R)
• M26: 25,549,671 km (0.106 R)
• M27: 30,465,307 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.1

Radius: 13.8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.94 AU - 5.72 AU

Year: 7945 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,651,684 km

• M1: 174,730 km (0.081 R)
• M2: 615,446 km (0.096 R)
• M3: 1,143,825 km (0.07 R)
• M4: 1,675,496 km (0.084 R)
• M5: 2,674,660 km (0.118 R)
• M6: 3,197,505 km (0.065 R)
• M7: 3,766,126 km (0.119 R)
• M8: 4,352,400 km (0.116 R)
• M9: 4,838,294 km (0.07 R)
• M10: 6,198,737 km (0.104 R)
• M11: 7,510,112 km (0.109 R)
• M12: 9,411,052 km (0.077 R)
• M13: 10,631,771 km (0.118 R)
• M14: 12,353,343 km (0.092 R)
• M15: 13,175,384 km (0.052 R)
• M16: 13,869,967 km (0.102 R)
• M17: 15,332,585 km (0.068 R)
• M18: 16,282,232 km (0.119 R)
• M19: 20,056,587 km (0.077 R)
• M20: 23,983,680 km (0.05 R)
• M21: 25,508,232 km (0.119 R)
• M22: 27,784,663 km (0.099 R)
• M23: 28,749,868 km (0.098 R)
• M24: 29,646,708 km (0.088 R)
• M25: 31,401,790 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.2

Radius: 6.1

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.84 AU - 8.86 AU

Year: 15579 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,651,684 km

• M1: 75,846 km (0.118 R)
• M2: 348,713 km (0.115 R)
• M3: 1,253,481 km (0.115 R)
• M4: 1,680,433 km (0.111 R)
• M5: 2,572,635 km (0.109 R)
• M6: 2,820,518 km (0.065 R)
• M7: 3,391,085 km (0.094 R)
• M8: 4,216,416 km (0.111 R)
• M9: 6,019,968 km (0.112 R)
• M10: 7,625,602 km (0.057 R)
• M11: 10,091,424 km (0.104 R)
• M12: 11,594,433 km (0.047 R)
• M13: 12,147,646 km (0.068 R)
• M14: 19,188,769 km (0.117 R)
• M15: 19,962,340 km (0.07 R)
• M16: 21,480,010 km (0.067 R)
• M17: 25,147,552 km (0.12 R)
• M18: 25,453,629 km (0.085 R)
• M19: 28,653,527 km (0.101 R)
• M20: 28,987,579 km (0.064 R)
• M21: 32,835,087 km (0.058 R)
• M22: 33,323,374 km (0.078 R)
• M23: 33,569,313 km (0.111 R)
• M24: 34,064,931 km (0.102 R)
• M25: 35,966,918 km (0.065 R)
• M26: 36,225,723 km (0.113 R)
• M27: 37,671,586 km (0.058 R)
• M28: 40,818,228 km (0.068 R)
• M29: 47,628,372 km (0.113 R)
• M30: 48,885,293 km (0.098 R)
• M31: 58,665,703 km (0.032 R)
• M32: 61,207,520 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.2

Radius: 5.3

Gravity: 23.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.46 AU - 10.56 AU

Year: 16029 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,651,684 km

• M1: 65,973 km (0.101 R)
• M2: 250,876 km (0.09 R)
• M3: 2,303,508 km (0.072 R)
• M4: 2,787,756 km (0.12 R)
• M5: 3,054,190 km (0.065 R)
• M6: 3,956,265 km (0.107 R)
• M7: 7,343,311 km (0.053 R)
• M8: 9,518,913 km (0.066 R)
• M9: 9,955,888 km (0.112 R)
• M10: 10,929,022 km (0.065 R)
• M11: 11,166,883 km (0.093 R)
• M12: 16,996,712 km (0.052 R)
• M13: 19,317,423 km (0.073 R)
• M14: 22,409,312 km (0.094 R)
• M15: 25,920,673 km (0.079 R)
• M16: 27,751,303 km (0.05 R)
• M17: 35,806,849 km (0.082 R)
• M18: 40,860,115 km (0.108 R)
• M19: 44,682,191 km (0.056 R)
• M20: 49,057,480 km (0.107 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 16,040 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit