🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 14.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.82 AU - 0.86 AU

Year: 541 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,011,799 km

• M1: 175,329 km (0.07 R)
• M2: 684,560 km (0.101 R)
• M3: 1,286,093 km (0.081 R)
• M4: 1,813,725 km (0.076 R)
• M5: 2,486,466 km (0.116 R)
• M6: 3,024,271 km (0.077 R)
• M7: 3,538,887 km (0.106 R)
• M8: 4,286,877 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.33 AU - 1.97 AU

Year: 1490 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,011,799 km

• M1: 170,392 km (0.094 R)
• M2: 1,060,649 km (0.118 R)
• M3: 1,758,523 km (0.088 R)
• M4: 2,257,881 km (0.089 R)
• M5: 3,417,264 km (0.114 R)
• M6: 6,384,987 km (0.113 R)
• M7: 7,139,259 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 11.2

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.96 AU - 2.26 AU

Year: 2154 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,011,799 km

• M1: 140,024 km (0.069 R)
• M2: 530,624 km (0.114 R)
• M3: 903,721 km (0.119 R)
• M4: 1,285,943 km (0.088 R)
• M5: 1,758,224 km (0.071 R)
• M6: 2,120,849 km (0.025 R)
• M7: 3,193,765 km (0.038 R)
• M8: 4,254,713 km (0.093 R)
• M9: 5,581,048 km (0.078 R)
• M10: 6,134,859 km (0.097 R)
• M11: 6,573,929 km (0.096 R)
• M12: 7,165,588 km (0.079 R)
• M13: 7,990,321 km (0.078 R)
• M14: 8,425,950 km (0.087 R)
• M15: 9,408,210 km (0.069 R)
• M16: 10,261,367 km (0.106 R)
• M17: 10,952,060 km (0.088 R)
• M18: 11,896,023 km (0.079 R)
• M19: 12,736,314 km (0.044 R)
• M20: 13,493,578 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 10.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.7 AU - 2.56 AU

Year: 2185 Days

Day: 10.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,011,799 km

• M1: 133,142 km (0.12 R)
• M2: 657,183 km (0.089 R)
• M3: 1,106,426 km (0.091 R)
• M4: 1,808,788 km (0.065 R)
• M5: 2,678,400 km (0.118 R)
• M6: 3,331,245 km (0.113 R)
• M7: 3,980,201 km (0.078 R)
• M8: 4,851,758 km (0.11 R)
• M9: 5,225,902 km (0.118 R)
• M10: 5,574,465 km (0.116 R)
• M11: 6,589,337 km (0.101 R)
• M12: 7,313,690 km (0.12 R)
• M13: 7,723,140 km (0.101 R)
• M14: 8,205,742 km (0.094 R)
• M15: 9,972,044 km (0.103 R)
• M16: 12,433,528 km (0.099 R)
• M17: 13,057,501 km (0.102 R)

Asteroid Belt

Center: 2.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.2

Radius: 8.8

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.74 AU - 3.2 AU

Year: 3598 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,011,799 km

• M1: 109,506 km (0.071 R)
• M2: 438,322 km (0.03 R)
• M3: 736,770 km (0.114 R)
• M4: 1,041,052 km (0.119 R)
• M5: 1,588,729 km (0.095 R)
• M6: 2,348,387 km (0.084 R)
• M7: 2,622,002 km (0.063 R)
• M8: 3,119,564 km (0.051 R)
• M9: 3,960,604 km (0.076 R)
• M10: 4,374,541 km (0.105 R)
• M11: 5,508,942 km (0.07 R)
• M12: 5,966,561 km (0.096 R)
• M13: 6,295,826 km (0.062 R)
• M14: 7,255,796 km (0.089 R)
• M15: 8,347,262 km (0.109 R)
• M16: 8,645,859 km (0.056 R)
• M17: 11,434,812 km (0.093 R)
• M18: 12,227,980 km (0.096 R)
• M19: 12,565,024 km (0.099 R)
• M20: 13,107,167 km (0.106 R)
• M21: 14,344,341 km (0.116 R)
• M22: 15,377,464 km (0.109 R)
• M23: 15,770,458 km (0.111 R)
• M24: 16,343,268 km (0.109 R)
• M25: 16,634,984 km (0.076 R)
• M26: 26,444,565 km (0.078 R)
• M27: 27,416,802 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 8.8

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.41 AU - 3.87 AU

Year: 3911 Days

Day: 10.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,011,799 km

• M1: 109,655 km (0.118 R)
• M2: 407,804 km (0.106 R)
• M3: 734,077 km (0.051 R)
• M4: 1,298,809 km (0.059 R)
• M5: 2,354,222 km (0.099 R)
• M6: 2,886,940 km (0.067 R)
• M7: 3,559,382 km (0.045 R)
• M8: 4,796,856 km (0.077 R)
• M9: 5,133,451 km (0.1 R)
• M10: 5,625,478 km (0.116 R)
• M11: 6,088,933 km (0.088 R)
• M12: 7,191,618 km (0.106 R)
• M13: 7,773,105 km (0.114 R)
• M14: 10,849,885 km (0.053 R)
• M15: 13,150,999 km (0.103 R)
• M16: 14,710,258 km (0.101 R)
• M17: 15,091,134 km (0.109 R)
• M18: 15,872,633 km (0.067 R)
• M19: 17,035,458 km (0.061 R)
• M20: 17,637,888 km (0.04 R)
• M21: 19,924,192 km (0.063 R)
• M22: 22,688,462 km (0.115 R)
• M23: 23,197,244 km (0.11 R)
• M24: 25,308,669 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.5

Radius: 7.8

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.69 AU - 9.35 AU

Year: 14496 Days

Day: 22.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,011,799 km

• M1: 97,089 km (0.067 R)
• M2: 347,217 km (0.054 R)
• M3: 616,493 km (0.115 R)
• M4: 1,704,668 km (0.102 R)
• M5: 2,236,638 km (0.114 R)
• M6: 3,146,791 km (0.085 R)
• M7: 4,037,198 km (0.077 R)
• M8: 4,706,648 km (0.104 R)
• M9: 5,560,104 km (0.045 R)
• M10: 6,388,128 km (0.099 R)
• M11: 7,205,980 km (0.075 R)
• M12: 7,995,109 km (0.097 R)
• M13: 10,077,810 km (0.097 R)
• M14: 15,958,802 km (0.068 R)
• M15: 17,620,236 km (0.028 R)
• M16: 19,656,562 km (0.094 R)
• M17: 23,788,455 km (0.12 R)
• M18: 24,802,280 km (0.064 R)
• M19: 25,738,912 km (0.104 R)
• M20: 26,162,872 km (0.081 R)
• M21: 28,464,735 km (0.064 R)
• M22: 29,261,044 km (0.03 R)
• M23: 30,072,164 km (0.069 R)
• M24: 33,216,562 km (0.09 R)
• M25: 34,354,104 km (0.057 R)
• M26: 35,386,928 km (0.114 R)
• M27: 40,291,793 km (0.063 R)
• M28: 45,169,431 km (0.089 R)
• M29: 49,278,885 km (0.12 R)
• M30: 57,147,733 km (0.036 R)
• M31: 58,596,588 km (0.103 R)
• M32: 59,514,521 km (0.045 R)
• M33: 61,003,020 km (0.114 R)
• M34: 63,860,489 km (0.092 R)
• M35: 65,420,346 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 10,837 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit