🌌 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: 378.2

Radius: 8

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.82 AU - 0.86 AU

Year: 505 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,245,599 km

• M1: 99,483 km (0.071 R)
• M2: 371,003 km (0.089 R)
• M3: 654,042 km (0.036 R)
• M4: 1,015,620 km (0.03 R)
• M5: 1,794,426 km (0.118 R)
• M6: 2,210,458 km (0.074 R)
• M7: 2,601,956 km (0.103 R)
• M8: 3,406,942 km (0.114 R)
• M9: 3,705,390 km (0.071 R)
• M10: 4,493,322 km (0.11 R)
• M11: 5,200,620 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257

Radius: 8.8

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.76 AU - 1.16 AU

Year: 617 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,245,599 km

• M1: 109,506 km (0.072 R)
• M2: 458,218 km (0.067 R)
• M3: 844,480 km (0.082 R)
• M4: 1,223,561 km (0.108 R)
• M5: 2,269,998 km (0.072 R)
• M6: 3,965,092 km (0.036 R)
• M7: 4,744,945 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 15

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.07 AU - 1.23 AU

Year: 809 Days

Day: 11.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,245,599 km

• M1: 187,147 km (0.052 R)
• M2: 917,035 km (0.031 R)
• M3: 2,015,383 km (0.086 R)
• M4: 2,548,400 km (0.108 R)
• M5: 3,032,349 km (0.046 R)
• M6: 3,592,742 km (0.095 R)
• M7: 4,353,597 km (0.093 R)
• M8: 4,853,105 km (0.112 R)
• M9: 5,704,765 km (0.103 R)
• M10: 6,219,831 km (0.026 R)
• M11: 7,756,051 km (0.113 R)
• M12: 8,600,232 km (0.095 R)
• M13: 9,448,302 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.7

Radius: 9.5

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.1 AU - 1.24 AU

Year: 830 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,245,599 km

• M1: 118,182 km (0.115 R)
• M2: 488,886 km (0.071 R)
• M3: 1,091,167 km (0.046 R)
• M4: 1,598,004 km (0.027 R)
• M5: 1,897,649 km (0.085 R)
• M6: 2,328,640 km (0.05 R)
• M7: 2,995,847 km (0.09 R)
• M8: 3,443,294 km (0.088 R)
• M9: 4,213,574 km (0.057 R)
• M10: 4,589,064 km (0.07 R)
• M11: 5,891,912 km (0.118 R)
• M12: 6,489,406 km (0.038 R)
• M13: 7,543,024 km (0.106 R)
• M14: 8,147,998 km (0.089 R)
• M15: 8,577,643 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 14.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.07 AU - 1.63 AU

Year: 1029 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 125.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,245,599 km

• M1: 176,675 km (0.117 R)
• M2: 638,633 km (0.077 R)
• M3: 1,112,410 km (0.05 R)
• M4: 1,992,943 km (0.047 R)
• M5: 2,644,292 km (0.06 R)
• M6: 3,210,819 km (0.107 R)
• M7: 3,961,651 km (0.079 R)
• M8: 4,725,049 km (0.057 R)
• M9: 6,072,626 km (0.12 R)
• M10: 6,546,552 km (0.088 R)
• M11: 7,000,881 km (0.09 R)
• M12: 8,341,727 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.6

Radius: 10.3

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.5 AU - 1.54 AU

Year: 1229 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,245,599 km

• M1: 128,056 km (0.065 R)
• M2: 487,988 km (0.085 R)
• M3: 970,741 km (0.092 R)
• M4: 1,831,078 km (0.106 R)
• M5: 2,866,744 km (0.08 R)
• M6: 3,634,480 km (0.052 R)
• M7: 4,383,666 km (0.119 R)
• M8: 5,087,225 km (0.08 R)
• M9: 5,662,878 km (0.086 R)
• M10: 6,919,350 km (0.093 R)
• M11: 9,033,019 km (0.091 R)
• M12: 10,007,798 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 10.4

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.33 AU - 1.79 AU

Year: 1278 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,245,599 km

• M1: 129,402 km (0.076 R)
• M2: 551,717 km (0.115 R)
• M3: 1,651,560 km (0.072 R)
• M4: 2,137,305 km (0.107 R)
• M5: 2,703,234 km (0.111 R)
• M6: 3,259,289 km (0.08 R)
• M7: 3,671,132 km (0.071 R)
• M8: 4,815,555 km (0.082 R)
• M9: 6,019,669 km (0.031 R)
• M10: 6,692,261 km (0.066 R)
• M11: 7,467,627 km (0.078 R)
• M12: 8,593,350 km (0.118 R)
• M13: 10,455,246 km (0.096 R)
• M14: 11,788,462 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 8.5

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.59 AU - 3.81 AU

Year: 4669 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,245,599 km

• M1: 105,766 km (0.117 R)
• M2: 450,738 km (0.061 R)
• M3: 779,555 km (0.109 R)
• M4: 1,048,980 km (0.062 R)
• M5: 1,320,052 km (0.087 R)
• M6: 1,615,208 km (0.117 R)
• M7: 1,954,646 km (0.062 R)
• M8: 2,402,991 km (0.091 R)
• M9: 3,044,765 km (0.106 R)
• M10: 3,347,402 km (0.091 R)
• M11: 4,057,693 km (0.054 R)
• M12: 5,279,907 km (0.12 R)
• M13: 6,240,774 km (0.037 R)
• M14: 6,889,880 km (0.079 R)
• M15: 8,431,635 km (0.119 R)
• M16: 9,739,869 km (0.079 R)
• M17: 11,718,600 km (0.12 R)
• M18: 15,331,388 km (0.062 R)
• M19: 15,885,648 km (0.118 R)
• M20: 16,626,158 km (0.098 R)
• M21: 17,270,476 km (0.111 R)
• M22: 18,237,177 km (0.057 R)
• M23: 18,546,695 km (0.038 R)
• M24: 21,697,974 km (0.049 R)
• M25: 22,115,352 km (0.1 R)
• M26: 22,966,265 km (0.116 R)
• M27: 24,208,975 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.4

Radius: 7.6

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.76 AU - 9.9 AU

Year: 18695 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,245,599 km

• M1: 94,546 km (0.08 R)
• M2: 354,697 km (0.058 R)
• M3: 920,775 km (0.119 R)
• M4: 1,383,631 km (0.067 R)
• M5: 2,392,968 km (0.063 R)
• M6: 3,241,187 km (0.115 R)
• M7: 3,982,894 km (0.06 R)
• M8: 4,618,685 km (0.055 R)
• M9: 5,359,045 km (0.104 R)
• M10: 7,952,772 km (0.096 R)
• M11: 8,209,632 km (0.116 R)
• M12: 8,685,802 km (0.106 R)
• M13: 10,165,475 km (0.084 R)
• M14: 13,039,998 km (0.107 R)
• M15: 13,469,942 km (0.085 R)
• M16: 16,415,374 km (0.105 R)
• M17: 17,342,133 km (0.065 R)
• M18: 22,403,179 km (0.078 R)
• M19: 22,710,154 km (0.095 R)
• M20: 23,542,516 km (0.113 R)
• M21: 27,775,986 km (0.097 R)
• M22: 29,824,280 km (0.05 R)
• M23: 30,696,137 km (0.111 R)
• M24: 33,547,173 km (0.113 R)
• M25: 34,083,780 km (0.103 R)
• M26: 37,138,270 km (0.08 R)
• M27: 37,857,088 km (0.071 R)
• M28: 38,585,180 km (0.083 R)
• M29: 39,919,145 km (0.102 R)
• M30: 42,054,804 km (0.114 R)
• M31: 42,678,777 km (0.055 R)
• M32: 44,911,226 km (0.074 R)
• M33: 45,399,513 km (0.082 R)
• M34: 46,885,768 km (0.108 R)
• M35: 48,745,868 km (0.118 R)
• M36: 52,432,707 km (0.101 R)
• M37: 53,337,176 km (0.084 R)
• M38: 57,440,646 km (0.044 R)
• M39: 58,015,999 km (0.058 R)
• M40: 72,111,260 km (0.098 R)
• M41: 72,557,211 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.8

Radius: 4.7

Gravity: 41.19 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.94 AU - 11.02 AU

Year: 19148 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,245,599 km

• M1: 58,493 km (0.1 R)
• M2: 471,532 km (0.093 R)
• M3: 995,574 km (0.09 R)
• M4: 1,746,854 km (0.104 R)
• M5: 2,207,017 km (0.057 R)
• M6: 4,104,517 km (0.12 R)
• M7: 10,576,569 km (0.047 R)
• M8: 13,128,709 km (0.102 R)
• M9: 13,565,984 km (0.063 R)
• M10: 19,501,429 km (0.08 R)
• M11: 20,262,583 km (0.09 R)
• M12: 22,872,916 km (0.108 R)
• M13: 27,667,677 km (0.065 R)
• M14: 30,614,606 km (0.072 R)
• M15: 44,332,880 km (0.092 R)
• M16: 44,986,473 km (0.078 R)
• M17: 53,705,037 km (0.112 R)
• M18: 59,243,898 km (0.069 R)
• M19: 59,441,368 km (0.087 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: 226 - 12,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit