🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.56 AU - 0.74 AU

Year: 344 Days

Day: 30.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.64 AU - 0.68 AU

Year: 352 Days

Day: 37.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 360 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,333,646 km

• M1: 44,879 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.3

Radius: 10.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.61 AU - 0.77 AU

Year: 376 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,333,646 km

• M1: 127,009 km (0.116 R)
• M2: 473,178 km (0.052 R)
• M3: 1,133,353 km (0.057 R)
• M4: 1,495,680 km (0.115 R)
• M5: 2,047,396 km (0.086 R)
• M6: 2,538,676 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 10.2

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.23 AU - 3.17 AU

Year: 2910 Days

Day: 10.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,333,646 km

• M1: 126,859 km (0.099 R)
• M2: 483,201 km (0.065 R)
• M3: 946,356 km (0.039 R)
• M4: 1,295,966 km (0.068 R)
• M5: 1,805,198 km (0.087 R)
• M6: 2,141,643 km (0.078 R)
• M7: 2,661,645 km (0.105 R)
• M8: 3,851,248 km (0.029 R)
• M9: 5,548,435 km (0.117 R)
• M10: 6,240,326 km (0.106 R)
• M11: 7,304,415 km (0.077 R)
• M12: 7,662,702 km (0.117 R)
• M13: 8,170,138 km (0.094 R)
• M14: 9,214,930 km (0.086 R)
• M15: 9,556,611 km (0.1 R)
• M16: 10,144,980 km (0.101 R)
• M17: 11,611,936 km (0.083 R)
• M18: 12,419,166 km (0.115 R)
• M19: 14,549,739 km (0.065 R)
• M20: 21,780,104 km (0.101 R)
• M21: 22,251,786 km (0.109 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 10.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.62 AU - 6.74 AU

Year: 8880 Days

Day: 12.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,333,646 km

• M1: 132,993 km (0.11 R)
• M2: 474,375 km (0.087 R)
• M3: 847,023 km (0.097 R)
• M4: 1,489,995 km (0.087 R)
• M5: 1,937,592 km (0.088 R)
• M6: 2,378,157 km (0.114 R)
• M7: 2,994,949 km (0.12 R)
• M8: 3,512,708 km (0.085 R)
• M9: 5,705,214 km (0.118 R)
• M10: 6,850,984 km (0.06 R)
• M11: 7,333,437 km (0.101 R)
• M12: 8,685,802 km (0.085 R)
• M13: 9,155,689 km (0.115 R)
• M14: 10,044,151 km (0.092 R)
• M15: 11,097,619 km (0.117 R)
• M16: 13,299,999 km (0.077 R)
• M17: 14,052,326 km (0.082 R)
• M18: 14,503,962 km (0.12 R)
• M19: 14,898,901 km (0.087 R)
• M20: 15,233,551 km (0.059 R)
• M21: 16,338,032 km (0.113 R)
• M22: 22,323,293 km (0.063 R)
• M23: 24,573,694 km (0.073 R)
• M24: 29,943,211 km (0.092 R)
• M25: 33,354,192 km (0.063 R)
• M26: 33,812,410 km (0.069 R)
• M27: 37,384,059 km (0.057 R)
• M28: 37,754,613 km (0.056 R)
• M29: 41,860,027 km (0.086 R)
• M30: 42,259,454 km (0.068 R)
• M31: 48,855,523 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.8

Radius: 3.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.26 AU - 7.36 AU

Year: 10398 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,333,646 km

• M1: 39,793 km (0.097 R)
• M2: 152,590 km (0.114 R)
• M3: 2,652,221 km (0.092 R)
• M4: 2,791,347 km (0.099 R)
• M5: 3,866,207 km (0.112 R)
• M6: 5,261,806 km (0.067 R)
• M7: 5,682,326 km (0.096 R)
• M8: 15,984,832 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 7.1

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.66 AU - 8.02 AU

Year: 11735 Days

Day: 22.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,333,646 km

• M1: 113,246 km (0.087 R)
• M2: 410,646 km (0.034 R)
• M3: 659,577 km (0.082 R)
• M4: 1,103,583 km (0.109 R)
• M5: 2,579,666 km (0.094 R)
• M6: 3,034,443 km (0.104 R)
• M7: 3,731,719 km (0.117 R)
• M8: 4,594,450 km (0.094 R)
• M9: 5,297,709 km (0.101 R)
• M10: 5,693,695 km (0.102 R)
• M11: 7,838,330 km (0.088 R)
• M12: 8,889,405 km (0.07 R)
• M13: 11,923,549 km (0.076 R)
• M14: 13,839,299 km (0.109 R)
• M15: 14,870,328 km (0.036 R)
• M16: 16,549,115 km (0.095 R)
• M17: 17,551,869 km (0.098 R)
• M18: 18,350,423 km (0.105 R)
• M19: 19,006,409 km (0.078 R)
• M20: 22,430,406 km (0.119 R)
• M21: 23,561,515 km (0.083 R)
• M22: 24,928,540 km (0.116 R)
• M23: 26,554,669 km (0.11 R)
• M24: 28,467,128 km (0.073 R)
• M25: 29,680,068 km (0.041 R)
• M26: 30,812,374 km (0.045 R)
• M27: 31,389,074 km (0.114 R)
• M28: 33,768,428 km (0.105 R)
• M29: 34,877,397 km (0.074 R)
• M30: 35,377,952 km (0.082 R)
• M31: 36,137,610 km (0.08 R)
• M32: 40,512,151 km (0.086 R)
• M33: 42,754,922 km (0.056 R)
• M34: 43,616,755 km (0.084 R)
• M35: 44,783,918 km (0.103 R)
• M36: 46,724,801 km (0.06 R)
• M37: 51,902,233 km (0.091 R)
• M38: 53,047,555 km (0.113 R)
• M39: 55,728,498 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.8

Radius: 6.2

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.12 AU - 8.96 AU

Year: 14955 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,333,646 km

• M1: 77,940 km (0.112 R)
• M2: 299,196 km (0.113 R)
• M3: 565,779 km (0.038 R)
• M4: 841,488 km (0.064 R)
• M5: 1,338,901 km (0.077 R)
• M6: 1,574,069 km (0.091 R)
• M7: 2,690,667 km (0.073 R)
• M8: 2,922,544 km (0.095 R)
• M9: 3,373,731 km (0.11 R)
• M10: 3,755,804 km (0.089 R)
• M11: 7,644,601 km (0.073 R)
• M12: 8,352,199 km (0.066 R)
• M13: 11,262,476 km (0.063 R)
• M14: 12,302,929 km (0.063 R)
• M15: 13,405,764 km (0.08 R)
• M16: 14,643,836 km (0.11 R)
• M17: 15,290,698 km (0.1 R)
• M18: 15,956,258 km (0.113 R)
• M19: 18,562,852 km (0.104 R)
• M20: 20,097,876 km (0.108 R)
• M21: 21,440,068 km (0.095 R)
• M22: 24,903,258 km (0.075 R)
• M23: 26,661,183 km (0.049 R)
• M24: 28,060,073 km (0.087 R)
• M25: 28,279,533 km (0.11 R)
• M26: 29,281,390 km (0.1 R)
• M27: 29,848,066 km (0.072 R)
• M28: 36,182,040 km (0.089 R)
• M29: 37,229,824 km (0.048 R)
• M30: 39,111,765 km (0.117 R)
• M31: 39,523,009 km (0.078 R)
• M32: 45,740,746 km (0.091 R)
• M33: 47,274,722 km (0.076 R)
• M34: 53,753,806 km (0.111 R)
• M35: 55,807,186 km (0.035 R)
• M36: 59,887,618 km (0.054 R)
• M37: 61,907,788 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.4

Radius: 4

Gravity: 38.34 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.82 AU - 9.1 AU

Year: 17594 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,333,646 km

• M1: 49,816 km (0.115 R)
• M2: 215,271 km (0.088 R)
• M3: 341,083 km (0.07 R)
• M4: 1,574,817 km (0.061 R)
• M5: 1,958,835 km (0.105 R)
• M6: 2,861,059 km (0.047 R)
• M7: 3,268,115 km (0.079 R)
• M8: 3,741,742 km (0.077 R)
• M9: 7,917,318 km (0.11 R)
• M10: 15,700,596 km (0.104 R)
• M11: 17,034,560 km (0.11 R)
• M12: 18,272,931 km (0.039 R)
• M13: 20,015,597 km (0.117 R)
• M14: 26,116,946 km (0.092 R)
• M15: 30,409,358 km (0.119 R)
• M16: 33,475,964 km (0.086 R)
• M17: 35,807,148 km (0.111 R)
• M18: 39,080,649 km (0.063 R)
• M19: 51,932,003 km (0.111 R)
• M20: 53,474,656 km (0.109 R)
• M21: 57,373,775 km (0.036 R)
• M22: 59,578,250 km (0.116 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 16,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit