🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.8

Radius: 12.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.88 AU - 1.02 AU

Year: 651 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,696,876 km

• M1: 150,645 km (0.108 R)
• M2: 680,072 km (0.102 R)
• M3: 1,394,402 km (0.047 R)
• M4: 2,046,499 km (0.082 R)
• M5: 2,433,957 km (0.073 R)
• M6: 2,837,423 km (0.097 R)
• M7: 4,090,604 km (0.096 R)
• M8: 4,745,244 km (0.119 R)
• M9: 5,346,030 km (0.102 R)
• M10: 6,015,779 km (0.112 R)
• M11: 6,822,710 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.3

Radius: 9.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.88 AU - 1.18 AU

Year: 735 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,696,876 km

• M1: 120,725 km (0.108 R)
• M2: 604,525 km (0.1 R)
• M3: 1,155,494 km (0.109 R)
• M4: 1,916,947 km (0.118 R)
• M5: 2,882,751 km (0.078 R)
• M6: 3,260,486 km (0.065 R)
• M7: 3,568,508 km (0.12 R)
• M8: 3,895,977 km (0.037 R)
• M9: 4,258,004 km (0.099 R)
• M10: 6,229,854 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 12.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.21 AU - 1.35 AU

Year: 1018 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,696,876 km

• M1: 151,842 km (0.11 R)
• M2: 583,432 km (0.073 R)
• M3: 985,850 km (0.051 R)
• M4: 1,495,231 km (0.083 R)
• M5: 2,577,571 km (0.087 R)
• M6: 3,037,734 km (0.094 R)
• M7: 3,700,303 km (0.103 R)
• M8: 5,193,589 km (0.108 R)
• M9: 6,929,373 km (0.102 R)
• M10: 7,511,907 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 14.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.04 AU - 2.42 AU

Year: 2341 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,696,876 km

• M1: 181,612 km (0.082 R)
• M2: 803,789 km (0.056 R)
• M3: 1,498,522 km (0.051 R)
• M4: 2,134,612 km (0.105 R)
• M5: 2,960,841 km (0.077 R)
• M6: 4,069,960 km (0.077 R)
• M7: 4,959,020 km (0.088 R)
• M8: 6,739,982 km (0.115 R)
• M9: 8,703,455 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 12.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.77 AU - 3.85 AU

Year: 4233 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,696,876 km

• M1: 156,330 km (0.087 R)
• M2: 710,440 km (0.108 R)
• M3: 1,102,536 km (0.098 R)
• M4: 1,567,786 km (0.114 R)
• M5: 2,395,511 km (0.057 R)
• M6: 3,049,253 km (0.11 R)
• M7: 3,516,148 km (0.101 R)
• M8: 6,255,585 km (0.117 R)
• M9: 6,858,015 km (0.105 R)
• M10: 8,250,023 km (0.109 R)
• M11: 10,976,145 km (0.089 R)
• M12: 11,809,406 km (0.118 R)
• M13: 14,928,521 km (0.092 R)
• M14: 15,732,161 km (0.079 R)
• M15: 18,743,117 km (0.08 R)
• M16: 19,363,350 km (0.085 R)
• M17: 23,590,537 km (0.038 R)
• M18: 24,240,839 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 13.3

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.65 AU - 5.97 AU

Year: 7415 Days

Day: 9.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,696,876 km

• M1: 165,455 km (0.078 R)
• M2: 990,787 km (0.047 R)
• M3: 1,756,429 km (0.078 R)
• M4: 2,332,680 km (0.036 R)
• M5: 2,971,612 km (0.087 R)
• M6: 3,630,292 km (0.074 R)
• M7: 4,252,170 km (0.108 R)
• M8: 4,828,570 km (0.112 R)
• M9: 5,488,147 km (0.047 R)
• M10: 6,344,446 km (0.107 R)
• M11: 8,746,240 km (0.094 R)
• M12: 10,783,164 km (0.075 R)
• M13: 17,919,132 km (0.111 R)
• M14: 18,915,753 km (0.082 R)
• M15: 19,427,827 km (0.069 R)
• M16: 20,251,064 km (0.091 R)
• M17: 21,253,968 km (0.04 R)
• M18: 23,694,358 km (0.104 R)
• M19: 25,510,027 km (0.115 R)
• M20: 27,324,051 km (0.116 R)
• M21: 28,357,623 km (0.113 R)
• M22: 31,615,266 km (0.089 R)
• M23: 35,444,822 km (0.071 R)
• M24: 36,223,778 km (0.061 R)
• M25: 37,242,240 km (0.073 R)
• M26: 38,047,376 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 9.3

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.96 AU - 6.32 AU

Year: 8191 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,696,876 km

• M1: 116,986 km (0.025 R)
• M2: 838,945 km (0.102 R)
• M3: 2,229,457 km (0.067 R)
• M4: 3,251,061 km (0.12 R)
• M5: 6,515,137 km (0.119 R)
• M6: 6,895,115 km (0.075 R)
• M7: 9,256,817 km (0.047 R)
• M8: 13,161,022 km (0.093 R)
• M9: 14,080,900 km (0.086 R)
• M10: 18,043,448 km (0.058 R)
• M11: 18,718,583 km (0.094 R)
• M12: 23,390,824 km (0.07 R)
• M13: 24,647,147 km (0.055 R)
• M14: 28,685,392 km (0.11 R)
• M15: 30,543,547 km (0.079 R)
• M16: 32,700,748 km (0.114 R)
• M17: 34,727,500 km (0.086 R)
• M18: 39,153,652 km (0.079 R)
• M19: 45,575,141 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 13.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.92 AU - 5.5 AU

Year: 8359 Days

Day: 8.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,696,876 km

• M1: 170,242 km (0.048 R)
• M2: 759,060 km (0.054 R)
• M3: 1,594,414 km (0.103 R)
• M4: 2,131,620 km (0.075 R)
• M5: 3,954,470 km (0.053 R)
• M6: 5,039,503 km (0.056 R)
• M7: 6,314,077 km (0.063 R)
• M8: 8,227,284 km (0.09 R)
• M9: 9,626,773 km (0.096 R)
• M10: 11,328,448 km (0.115 R)
• M11: 13,333,957 km (0.063 R)
• M12: 14,479,877 km (0.111 R)
• M13: 19,800,176 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 11

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.3 AU - 6.4 AU

Year: 8698 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,696,876 km

• M1: 136,882 km (0.117 R)
• M2: 575,503 km (0.069 R)
• M3: 1,949,260 km (0.111 R)
• M4: 2,312,633 km (0.062 R)
• M5: 2,721,484 km (0.102 R)
• M6: 3,707,484 km (0.06 R)
• M7: 4,271,468 km (0.073 R)
• M8: 4,817,351 km (0.107 R)
• M9: 5,409,309 km (0.111 R)
• M10: 6,738,786 km (0.077 R)
• M11: 7,614,382 km (0.079 R)
• M12: 10,740,828 km (0.032 R)
• M13: 11,616,873 km (0.087 R)
• M14: 16,668,045 km (0.084 R)
• M15: 20,286,668 km (0.054 R)
• M16: 22,805,447 km (0.11 R)
• M17: 24,695,616 km (0.106 R)
• M18: 25,449,739 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.7

Radius: 7.6

Gravity: 13.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.27 AU - 7.09 AU

Year: 12136 Days

Day: 22.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,696,876 km

• M1: 94,546 km (0.098 R)
• M2: 339,587 km (0.115 R)
• M3: 633,846 km (0.073 R)
• M4: 876,943 km (0.101 R)
• M5: 1,258,866 km (0.099 R)
• M6: 1,700,479 km (0.098 R)
• M7: 1,984,266 km (0.082 R)
• M8: 2,648,331 km (0.119 R)
• M9: 3,530,211 km (0.094 R)
• M10: 5,048,779 km (0.116 R)
• M11: 5,496,824 km (0.112 R)
• M12: 7,427,534 km (0.105 R)
• M13: 8,617,137 km (0.091 R)
• M14: 10,141,688 km (0.055 R)
• M15: 10,911,369 km (0.072 R)
• M16: 16,293,602 km (0.083 R)
• M17: 17,892,055 km (0.071 R)
• M18: 21,664,464 km (0.117 R)
• M19: 21,933,292 km (0.087 R)
• M20: 22,845,689 km (0.119 R)
• M21: 23,688,224 km (0.077 R)
• M22: 26,238,569 km (0.025 R)
• M23: 27,895,814 km (0.073 R)
• M24: 29,183,702 km (0.083 R)
• M25: 32,458,998 km (0.102 R)
• M26: 34,003,746 km (0.079 R)
• M27: 36,728,372 km (0.109 R)
• M28: 39,328,682 km (0.104 R)
• M29: 40,402,346 km (0.109 R)
• M30: 49,549,358 km (0.049 R)
• M31: 50,329,361 km (0.064 R)
• M32: 52,074,121 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 16,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit