🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.65 AU - 0.83 AU

Year: 223 Days

Day: 22.3 Hours

Environment

Temp: 142 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,303,458 km

• M1: 29,471 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 9.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.94 AU - 6.94 AU

Year: 5065 Days

Day: 11.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,303,458 km

• M1: 118,182 km (0.099 R)
• M2: 505,342 km (0.119 R)
• M3: 1,372,261 km (0.108 R)
• M4: 2,472,853 km (0.108 R)
• M5: 3,215,905 km (0.045 R)
• M6: 3,611,592 km (0.108 R)
• M7: 4,224,494 km (0.09 R)
• M8: 4,633,345 km (0.085 R)
• M9: 5,889,369 km (0.061 R)
• M10: 6,208,910 km (0.108 R)
• M11: 8,645,411 km (0.059 R)
• M12: 9,342,088 km (0.112 R)
• M13: 10,379,848 km (0.067 R)
• M14: 10,729,159 km (0.09 R)
• M15: 11,247,666 km (0.084 R)
• M16: 12,291,709 km (0.118 R)
• M17: 13,582,290 km (0.097 R)
• M18: 14,427,368 km (0.075 R)
• M19: 15,059,270 km (0.118 R)
• M20: 16,746,434 km (0.098 R)
• M21: 18,329,928 km (0.054 R)
• M22: 19,537,183 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.7

Radius: 11.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.3 AU - 6.66 AU

Year: 5116 Days

Day: 13.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,303,458 km

• M1: 140,772 km (0.082 R)
• M2: 530,474 km (0.1 R)
• M3: 1,122,283 km (0.095 R)
• M4: 1,483,562 km (0.056 R)
• M5: 1,847,085 km (0.111 R)
• M6: 3,020,680 km (0.066 R)
• M7: 3,842,870 km (0.079 R)
• M8: 10,003,011 km (0.112 R)
• M9: 10,543,060 km (0.076 R)
• M10: 11,501,383 km (0.117 R)
• M11: 13,046,580 km (0.107 R)
• M12: 16,544,627 km (0.116 R)
• M13: 17,241,753 km (0.09 R)
• M14: 18,385,429 km (0.115 R)
• M15: 19,515,042 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 9.3

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.95 AU - 9.31 AU

Year: 8869 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,303,458 km

• M1: 118,930 km (0.083 R)
• M2: 479,012 km (0.082 R)
• M3: 807,978 km (0.07 R)
• M4: 1,130,212 km (0.092 R)
• M5: 1,667,268 km (0.102 R)
• M6: 2,579,666 km (0.039 R)
• M7: 3,000,036 km (0.116 R)
• M8: 3,392,880 km (0.111 R)
• M9: 3,978,855 km (0.118 R)
• M10: 4,630,952 km (0.079 R)
• M11: 5,968,057 km (0.083 R)
• M12: 11,839,624 km (0.073 R)
• M13: 13,551,323 km (0.094 R)
• M14: 14,114,559 km (0.108 R)
• M15: 15,354,725 km (0.059 R)
• M16: 16,454,270 km (0.078 R)
• M17: 18,276,222 km (0.098 R)
• M18: 19,431,866 km (0.078 R)
• M19: 22,663,479 km (0.082 R)
• M20: 23,367,935 km (0.101 R)
• M21: 24,360,517 km (0.117 R)
• M22: 25,380,924 km (0.047 R)
• M23: 26,044,840 km (0.117 R)
• M24: 29,022,585 km (0.114 R)
• M25: 33,561,983 km (0.117 R)
• M26: 35,881,049 km (0.067 R)
• M27: 37,811,759 km (0.111 R)
• M28: 39,178,635 km (0.09 R)
• M29: 44,427,276 km (0.06 R)
• M30: 45,948,687 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 10.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.07 AU - 10.09 AU

Year: 10373 Days

Day: 12.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,303,458 km

• M1: 136,134 km (0.077 R)
• M2: 652,097 km (0.091 R)
• M3: 986,149 km (0.089 R)
• M4: 1,491,491 km (0.109 R)
• M5: 2,181,885 km (0.073 R)
• M6: 2,731,807 km (0.097 R)
• M7: 3,492,213 km (0.111 R)
• M8: 4,082,675 km (0.111 R)
• M9: 4,859,537 km (0.088 R)
• M10: 5,835,065 km (0.077 R)
• M11: 6,369,578 km (0.115 R)
• M12: 8,171,036 km (0.096 R)
• M13: 10,442,829 km (0.1 R)
• M14: 13,106,718 km (0.104 R)
• M15: 15,380,606 km (0.106 R)
• M16: 17,250,280 km (0.051 R)
• M17: 23,673,713 km (0.101 R)
• M18: 24,941,107 km (0.059 R)
• M19: 25,685,356 km (0.089 R)
• M20: 26,444,416 km (0.084 R)
• M21: 30,676,689 km (0.119 R)
• M22: 34,531,976 km (0.098 R)
• M23: 42,133,642 km (0.083 R)
• M24: 42,659,329 km (0.032 R)
• M25: 43,589,528 km (0.109 R)
• M26: 45,352,988 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 11.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 9.44 AU - 12.64 AU

Year: 12833 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,303,458 km

• M1: 143,016 km (0.088 R)
• M2: 568,472 km (0.103 R)
• M3: 1,374,056 km (0.107 R)
• M4: 2,270,148 km (0.106 R)
• M5: 3,116,872 km (0.061 R)
• M6: 3,520,786 km (0.097 R)
• M7: 4,046,024 km (0.071 R)
• M8: 5,015,119 km (0.093 R)
• M9: 5,645,375 km (0.095 R)
• M10: 6,979,489 km (0.03 R)
• M11: 8,465,594 km (0.039 R)
• M12: 9,777,418 km (0.052 R)
• M13: 10,207,212 km (0.033 R)
• M14: 11,278,632 km (0.105 R)
• M15: 11,691,672 km (0.025 R)
• M16: 12,864,220 km (0.085 R)
• M17: 15,952,070 km (0.09 R)
• M18: 21,149,249 km (0.113 R)
• M19: 21,597,445 km (0.119 R)
• M20: 22,052,073 km (0.054 R)
• M21: 23,074,574 km (0.116 R)
• M22: 25,014,110 km (0.081 R)
• M23: 26,331,768 km (0.064 R)
• M24: 26,746,304 km (0.108 R)
• M25: 30,448,403 km (0.119 R)
• M26: 31,366,634 km (0.041 R)
• M27: 33,500,199 km (0.104 R)
• M28: 41,310,106 km (0.087 R)
• M29: 49,777,644 km (0.079 R)
• M30: 52,184,076 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.3

Radius: 7

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 12.62 AU - 15.62 AU

Year: 18562 Days

Day: 18.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,303,458 km

• M1: 88,113 km (0.093 R)
• M2: 418,724 km (0.093 R)
• M3: 1,549,385 km (0.091 R)
• M4: 2,715,949 km (0.091 R)
• M5: 2,969,368 km (0.117 R)
• M6: 3,553,398 km (0.032 R)
• M7: 7,623,059 km (0.102 R)
• M8: 8,876,689 km (0.09 R)
• M9: 11,587,851 km (0.09 R)
• M10: 12,952,932 km (0.032 R)
• M11: 18,846,340 km (0.109 R)
• M12: 24,313,843 km (0.07 R)
• M13: 31,260,420 km (0.117 R)
• M14: 33,886,012 km (0.087 R)
• M15: 38,240,657 km (0.088 R)
• M16: 41,857,634 km (0.107 R)
• M17: 46,358,136 km (0.106 R)
• M18: 49,415,468 km (0.095 R)
• M19: 61,172,215 km (0.1 R)
• M20: 76,505,997 km (0.038 R)
• M21: 79,089,552 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758.3

Radius: 4.9

Gravity: 31.58 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 15.77 AU - 17.15 AU

Year: 23363 Days

Day: 19.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,303,458 km

• M1: 67,020 km (0.118 R)
• M2: 252,671 km (0.051 R)
• M3: 445,802 km (0.107 R)
• M4: 758,910 km (0.104 R)
• M5: 1,041,500 km (0.049 R)
• M6: 1,237,025 km (0.092 R)
• M7: 2,660,000 km (0.093 R)
• M8: 3,643,456 km (0.1 R)
• M9: 4,268,476 km (0.099 R)
• M10: 4,772,920 km (0.116 R)
• M11: 6,617,312 km (0.06 R)
• M12: 7,697,110 km (0.09 R)
• M13: 8,117,330 km (0.112 R)
• M14: 8,552,809 km (0.1 R)
• M15: 9,234,826 km (0.087 R)
• M16: 9,589,224 km (0.044 R)
• M17: 9,830,375 km (0.119 R)
• M18: 12,116,829 km (0.077 R)
• M19: 12,470,030 km (0.101 R)
• M20: 12,829,962 km (0.07 R)
• M21: 13,798,459 km (0.107 R)
• M22: 15,300,122 km (0.098 R)
• M23: 15,712,713 km (0.095 R)
• M24: 18,624,037 km (0.104 R)
• M25: 27,011,541 km (0.099 R)
• M26: 27,979,739 km (0.081 R)
• M27: 30,113,603 km (0.093 R)
• M28: 37,458,409 km (0.096 R)
• M29: 38,661,475 km (0.081 R)
• M30: 40,357,317 km (0.113 R)
• M31: 47,987,855 km (0.036 R)
• M32: 55,165,860 km (0.116 R)
• M33: 55,940,179 km (0.111 R)
• M34: 57,312,590 km (0.101 R)
• M35: 71,144,409 km (0.097 R)
• M36: 71,372,995 km (0.073 R)
• M37: 74,389,037 km (0.053 R)
• M38: 77,489,004 km (0.056 R)
• M39: 86,780,977 km (0.114 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit