🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 12

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.64 AU - 0.74 AU

Year: 370 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,685,886 km

• M1: 149,299 km (0.1 R)
• M2: 588,518 km (0.038 R)
• M3: 1,061,247 km (0.06 R)
• M4: 1,440,029 km (0.103 R)
• M5: 1,982,022 km (0.109 R)
• M6: 3,578,231 km (0.053 R)
• M7: 4,371,848 km (0.085 R)
• M8: 5,106,823 km (0.082 R)
• M9: 5,553,372 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.5

Radius: 14.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,685,886 km

• M1: 179,069 km (0.091 R)
• M2: 698,472 km (0.087 R)
• M3: 1,326,784 km (0.09 R)
• M4: 1,873,414 km (0.103 R)
• M5: 2,381,149 km (0.1 R)
• M6: 2,927,780 km (0.052 R)
• M7: 3,770,914 km (0.037 R)
• M8: 4,447,844 km (0.079 R)
• M9: 5,031,126 km (0.102 R)
• M10: 5,531,082 km (0.112 R)
• M11: 6,135,457 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 11.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.68 AU - 2.64 AU

Year: 2050 Days

Day: 8.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,685,886 km

• M1: 143,016 km (0.108 R)
• M2: 549,473 km (0.102 R)
• M3: 1,428,211 km (0.096 R)
• M4: 1,806,095 km (0.095 R)
• M5: 2,475,396 km (0.049 R)
• M6: 3,077,677 km (0.119 R)
• M7: 4,006,381 km (0.11 R)
• M8: 4,370,203 km (0.093 R)
• M9: 4,839,491 km (0.098 R)
• M10: 7,348,995 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 9.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.04 AU - 2.8 AU

Year: 2431 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,685,886 km

• M1: 139,874 km (0.112 R)
• M2: 507,735 km (0.05 R)
• M3: 1,156,092 km (0.063 R)
• M4: 1,511,836 km (0.039 R)
• M5: 1,908,270 km (0.117 R)
• M6: 2,743,027 km (0.117 R)
• M7: 3,353,835 km (0.105 R)
• M8: 4,990,435 km (0.071 R)
• M9: 7,704,889 km (0.086 R)
• M10: 10,152,011 km (0.099 R)
• M11: 12,058,187 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 10

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.67 AU - 4.31 AU

Year: 5146 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,685,886 km

• M1: 124,465 km (0.057 R)
• M2: 436,527 km (0.058 R)
• M3: 778,208 km (0.067 R)
• M4: 1,258,118 km (0.062 R)
• M5: 1,666,371 km (0.076 R)
• M6: 1,995,935 km (0.103 R)
• M7: 2,525,062 km (0.077 R)
• M8: 3,472,316 km (0.06 R)
• M9: 3,843,319 km (0.064 R)
• M10: 4,989,538 km (0.091 R)
• M11: 5,302,197 km (0.094 R)
• M12: 5,967,160 km (0.066 R)
• M13: 7,908,192 km (0.101 R)
• M14: 9,233,629 km (0.114 R)
• M15: 11,946,437 km (0.109 R)
• M16: 12,366,358 km (0.089 R)
• M17: 13,434,487 km (0.116 R)
• M18: 18,205,014 km (0.097 R)
• M19: 21,579,044 km (0.093 R)
• M20: 22,342,741 km (0.101 R)
• M21: 24,071,345 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 15

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.84 AU - 6.22 AU

Year: 8397 Days

Day: 12 Hours

Environment

Temp: -223 °C

Axial Tilt: 158.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,685,886 km

• M1: 188,344 km (0.037 R)
• M2: 762,949 km (0.108 R)
• M3: 1,803,103 km (0.064 R)
• M4: 2,465,074 km (0.12 R)
• M5: 3,022,475 km (0.078 R)
• M6: 3,688,784 km (0.055 R)
• M7: 4,767,983 km (0.026 R)
• M8: 6,118,703 km (0.071 R)
• M9: 7,752,610 km (0.057 R)
• M10: 9,008,933 km (0.088 R)
• M11: 9,614,506 km (0.096 R)
• M12: 10,296,971 km (0.083 R)
• M13: 12,654,633 km (0.096 R)
• M14: 13,296,408 km (0.111 R)
• M15: 14,206,412 km (0.12 R)
• M16: 16,286,720 km (0.091 R)
• M17: 17,471,087 km (0.119 R)
• M18: 19,088,240 km (0.059 R)
• M19: 19,623,201 km (0.067 R)
• M20: 24,717,907 km (0.108 R)
• M21: 32,544,418 km (0.069 R)
• M22: 33,089,104 km (0.104 R)
• M23: 34,421,423 km (0.057 R)
• M24: 36,252,950 km (0.092 R)
• M25: 36,956,359 km (0.06 R)
• M26: 39,613,367 km (0.072 R)
• M27: 41,242,039 km (0.043 R)
• M28: 44,632,674 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.7

Radius: 5.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.57 AU - 6.57 AU

Year: 10873 Days

Day: 22.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,685,886 km

• M1: 68,516 km (0.117 R)
• M2: 261,497 km (0.097 R)
• M3: 495,169 km (0.093 R)
• M4: 1,998,179 km (0.075 R)
• M5: 2,930,921 km (0.11 R)
• M6: 3,208,426 km (0.101 R)
• M7: 3,773,157 km (0.115 R)
• M8: 4,124,413 km (0.11 R)
• M9: 5,336,605 km (0.112 R)
• M10: 6,643,492 km (0.045 R)
• M11: 8,850,210 km (0.034 R)
• M12: 9,749,892 km (0.12 R)
• M13: 12,099,177 km (0.116 R)
• M14: 13,454,384 km (0.066 R)
• M15: 14,116,803 km (0.104 R)
• M16: 15,286,958 km (0.107 R)

Asteroid Belt

Center: 7.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.9

Radius: 3.3

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.05 AU - 8.59 AU

Year: 14120 Days

Day: 22.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,685,886 km

• M1: 41,738 km (0.116 R)
• M2: 352,901 km (0.099 R)
• M3: 469,289 km (0.064 R)
• M4: 1,357,002 km (0.085 R)
• M5: 1,981,125 km (0.088 R)
• M6: 2,262,069 km (0.102 R)
• M7: 7,144,046 km (0.109 R)
• M8: 12,122,663 km (0.073 R)
• M9: 14,191,153 km (0.112 R)
• M10: 23,303,459 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 776

Radius: 5.4

Gravity: 26.61 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8 AU - 8.4 AU

Year: 15161 Days

Day: 21.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,685,886 km

• M1: 67,169 km (0.119 R)
• M2: 255,812 km (0.084 R)
• M3: 518,955 km (0.067 R)
• M4: 721,810 km (0.078 R)
• M5: 889,808 km (0.107 R)
• M6: 1,265,598 km (0.117 R)
• M7: 2,087,189 km (0.055 R)
• M8: 2,307,846 km (0.032 R)
• M9: 2,521,771 km (0.083 R)
• M10: 2,702,336 km (0.113 R)
• M11: 3,115,226 km (0.087 R)
• M12: 4,640,825 km (0.042 R)
• M13: 9,330,120 km (0.07 R)
• M14: 11,760,786 km (0.085 R)
• M15: 14,014,029 km (0.102 R)
• M16: 14,439,486 km (0.113 R)
• M17: 16,697,067 km (0.118 R)
• M18: 17,336,598 km (0.052 R)
• M19: 17,826,830 km (0.112 R)
• M20: 20,508,222 km (0.091 R)
• M21: 23,745,221 km (0.097 R)
• M22: 24,147,191 km (0.104 R)
• M23: 25,905,863 km (0.117 R)
• M24: 30,732,190 km (0.105 R)
• M25: 30,970,200 km (0.112 R)
• M26: 34,305,036 km (0.094 R)
• M27: 36,257,288 km (0.055 R)
• M28: 38,145,063 km (0.113 R)
• M29: 38,973,836 km (0.032 R)
• M30: 43,597,607 km (0.076 R)
• M31: 47,454,539 km (0.096 R)
• M32: 50,368,257 km (0.098 R)
• M33: 51,031,574 km (0.032 R)
• M34: 56,370,871 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.8

Radius: 3.2

Gravity: 47.44 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.84 AU - 12 AU

Year: 21718 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,685,886 km

• M1: 53,107 km (0.076 R)
• M2: 253,718 km (0.093 R)
• M3: 367,562 km (0.025 R)
• M4: 493,374 km (0.061 R)
• M5: 604,375 km (0.113 R)
• M6: 1,119,441 km (0.103 R)
• M7: 1,751,342 km (0.066 R)
• M8: 2,499,332 km (0.113 R)
• M9: 5,050,275 km (0.111 R)
• M10: 5,272,427 km (0.111 R)
• M11: 5,977,931 km (0.072 R)
• M12: 8,112,842 km (0.065 R)
• M13: 10,827,445 km (0.093 R)
• M14: 11,072,636 km (0.117 R)
• M15: 15,748,617 km (0.09 R)
• M16: 16,950,336 km (0.092 R)
• M17: 24,509,218 km (0.079 R)
• M18: 43,114,256 km (0.078 R)
• M19: 48,037,073 km (0.112 R)
• M20: 50,548,073 km (0.116 R)
• M21: 52,444,077 km (0.084 R)
• M22: 61,080,212 km (0.051 R)
• M23: 68,509,990 km (0.106 R)
• M24: 70,616,628 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 17,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit