🌌 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: 461.8

Radius: 13.2

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,677,281 km

• M1: 164,109 km (0.115 R)
• M2: 583,731 km (0.034 R)
• M3: 1,035,068 km (0.113 R)
• M4: 1,482,066 km (0.053 R)
• M5: 1,955,543 km (0.114 R)
• M6: 2,425,879 km (0.1 R)
• M7: 2,922,843 km (0.092 R)
• M8: 3,454,364 km (0.04 R)
• M9: 3,976,611 km (0.081 R)
• M10: 4,551,515 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 10.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.71 AU - 0.85 AU

Year: 459 Days

Day: 6.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,677,281 km

• M1: 128,654 km (0.079 R)
• M2: 470,336 km (0.092 R)
• M3: 791,223 km (0.081 R)
• M4: 1,337,704 km (0.036 R)
• M5: 1,999,226 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.8

Radius: 8.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.34 AU - 1.76 AU

Year: 1287 Days

Day: 12.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,677,281 km

• M1: 107,262 km (0.078 R)
• M2: 417,528 km (0.111 R)
• M3: 686,205 km (0.102 R)
• M4: 997,818 km (0.115 R)
• M5: 1,344,436 km (0.094 R)
• M6: 1,708,856 km (0.092 R)
• M7: 2,532,692 km (0.051 R)
• M8: 3,439,255 km (0.094 R)
• M9: 4,705,601 km (0.075 R)
• M10: 5,939,933 km (0.12 R)
• M11: 6,410,269 km (0.082 R)
• M12: 6,699,741 km (0.116 R)
• M13: 8,073,947 km (0.115 R)
• M14: 8,464,846 km (0.05 R)
• M15: 8,868,311 km (0.115 R)
• M16: 9,144,469 km (0.11 R)
• M17: 9,483,308 km (0.093 R)

Asteroid Belt

Center: 1.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 13.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.65 AU - 2.47 AU

Year: 1972 Days

Day: 7.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,677,281 km

• M1: 170,990 km (0.108 R)
• M2: 1,103,135 km (0.108 R)
• M3: 3,001,382 km (0.118 R)
• M4: 3,470,072 km (0.094 R)
• M5: 4,042,434 km (0.111 R)
• M6: 4,577,096 km (0.083 R)
• M7: 5,267,640 km (0.114 R)
• M8: 5,742,613 km (0.07 R)
• M9: 6,471,005 km (0.112 R)
• M10: 7,232,907 km (0.104 R)
• M11: 9,062,639 km (0.094 R)
• M12: 10,713,900 km (0.056 R)
• M13: 11,368,391 km (0.085 R)
• M14: 12,757,258 km (0.06 R)
• M15: 13,326,926 km (0.084 R)
• M16: 14,213,294 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 11.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.69 AU - 3.51 AU

Year: 3640 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,677,281 km

• M1: 140,622 km (0.043 R)
• M2: 661,073 km (0.074 R)
• M3: 1,074,113 km (0.114 R)
• M4: 2,049,491 km (0.072 R)
• M5: 2,618,860 km (0.105 R)
• M6: 4,522,942 km (0.081 R)
• M7: 5,002,553 km (0.032 R)
• M8: 6,015,031 km (0.086 R)
• M9: 6,727,416 km (0.097 R)
• M10: 7,382,057 km (0.119 R)
• M11: 8,018,895 km (0.071 R)
• M12: 10,648,376 km (0.089 R)
• M13: 11,087,147 km (0.113 R)
• M14: 11,961,846 km (0.073 R)
• M15: 13,171,345 km (0.07 R)
• M16: 13,805,939 km (0.117 R)
• M17: 14,284,053 km (0.073 R)
• M18: 14,908,625 km (0.113 R)
• M19: 15,365,796 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 8.9

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.91 AU - 3.43 AU

Year: 3764 Days

Day: 8.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,677,281 km

• M1: 110,702 km (0.105 R)
• M2: 1,019,809 km (0.047 R)
• M3: 1,863,541 km (0.036 R)
• M4: 3,225,928 km (0.073 R)
• M5: 4,204,448 km (0.089 R)
• M6: 4,824,681 km (0.095 R)
• M7: 5,867,976 km (0.049 R)
• M8: 6,519,026 km (0.081 R)
• M9: 6,926,082 km (0.112 R)
• M10: 9,613,758 km (0.119 R)
• M11: 10,182,977 km (0.116 R)
• M12: 10,991,255 km (0.08 R)
• M13: 15,355,473 km (0.081 R)
• M14: 18,315,417 km (0.074 R)
• M15: 21,635,742 km (0.08 R)
• M16: 22,401,084 km (0.11 R)
• M17: 23,546,406 km (0.071 R)
• M18: 23,985,775 km (0.076 R)
• M19: 25,336,943 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 13.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.96 AU - 4.12 AU

Year: 4442 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,677,281 km

• M1: 169,943 km (0.106 R)
• M2: 613,052 km (0.095 R)
• M3: 1,253,481 km (0.113 R)
• M4: 2,811,991 km (0.067 R)
• M5: 3,232,810 km (0.111 R)
• M6: 4,961,862 km (0.118 R)
• M7: 6,815,679 km (0.07 R)
• M8: 8,482,648 km (0.109 R)
• M9: 10,842,255 km (0.032 R)
• M10: 11,749,118 km (0.084 R)
• M11: 13,662,325 km (0.069 R)
• M12: 14,131,763 km (0.047 R)
• M13: 15,832,242 km (0.094 R)
• M14: 18,538,019 km (0.07 R)
• M15: 19,049,494 km (0.084 R)
• M16: 19,834,434 km (0.114 R)
• M17: 24,086,304 km (0.109 R)
• M18: 25,866,070 km (0.11 R)
• M19: 26,505,152 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.6

Radius: 12.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.39 AU - 4.37 AU

Year: 5097 Days

Day: 12.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,677,281 km

• M1: 154,385 km (0.1 R)
• M2: 1,165,367 km (0.087 R)
• M3: 1,805,048 km (0.043 R)
• M4: 2,524,464 km (0.092 R)
• M5: 3,032,050 km (0.097 R)
• M6: 3,546,666 km (0.07 R)
• M7: 8,460,657 km (0.088 R)
• M8: 9,059,198 km (0.09 R)
• M9: 9,806,290 km (0.116 R)
• M10: 11,468,472 km (0.078 R)
• M11: 15,126,888 km (0.115 R)
• M12: 16,406,398 km (0.066 R)
• M13: 17,457,024 km (0.083 R)
• M14: 18,990,103 km (0.082 R)
• M15: 23,321,560 km (0.107 R)
• M16: 24,201,345 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.1

Radius: 8.9

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.94 AU - 4.88 AU

Year: 5156 Days

Day: 11.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,677,281 km

• M1: 112,198 km (0.085 R)
• M2: 439,369 km (0.094 R)
• M3: 1,019,958 km (0.039 R)
• M4: 1,532,032 km (0.095 R)
• M5: 1,977,235 km (0.041 R)
• M6: 2,506,961 km (0.071 R)
• M7: 2,930,024 km (0.102 R)
• M8: 3,733,364 km (0.101 R)
• M9: 4,015,506 km (0.065 R)
• M10: 4,596,544 km (0.111 R)
• M11: 5,033,071 km (0.091 R)
• M12: 5,957,586 km (0.07 R)
• M13: 6,747,911 km (0.051 R)
• M14: 7,026,313 km (0.053 R)
• M15: 8,061,979 km (0.109 R)
• M16: 10,948,919 km (0.065 R)
• M17: 11,431,970 km (0.076 R)
• M18: 12,492,769 km (0.047 R)
• M19: 13,073,956 km (0.072 R)
• M20: 14,634,561 km (0.079 R)
• M21: 15,280,525 km (0.104 R)
• M22: 16,253,659 km (0.116 R)
• M23: 16,692,130 km (0.048 R)
• M24: 19,351,083 km (0.092 R)
• M25: 21,898,884 km (0.065 R)
• M26: 23,450,813 km (0.103 R)
• M27: 24,991,970 km (0.088 R)
• M28: 27,033,682 km (0.076 R)
• M29: 28,095,228 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 3.7

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.98 AU - 9.68 AU

Year: 14611 Days

Day: 23.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 39,677,281 km

• M1: 46,076 km (0.094 R)
• M2: 182,509 km (0.074 R)
• M3: 363,074 km (0.116 R)
• M4: 497,413 km (0.059 R)
• M5: 826,079 km (0.06 R)
• M6: 1,192,744 km (0.096 R)
• M7: 1,332,468 km (0.059 R)
• M8: 1,483,263 km (0.053 R)
• M9: 1,895,106 km (0.09 R)
• M10: 2,135,958 km (0.101 R)
• M11: 2,797,480 km (0.119 R)
• M12: 3,705,838 km (0.087 R)
• M13: 4,737,166 km (0.091 R)
• M14: 4,940,769 km (0.112 R)
• M15: 5,089,619 km (0.046 R)
• M16: 6,603,699 km (0.102 R)
• M17: 7,232,010 km (0.112 R)
• M18: 8,953,433 km (0.088 R)
• M19: 9,400,132 km (0.068 R)
• M20: 9,721,618 km (0.067 R)
• M21: 11,030,599 km (0.106 R)
• M22: 11,543,720 km (0.12 R)
• M23: 12,507,280 km (0.12 R)
• M24: 13,523,348 km (0.085 R)
• M25: 15,526,763 km (0.048 R)
• M26: 17,650,006 km (0.074 R)
• M27: 17,928,407 km (0.1 R)
• M28: 20,489,822 km (0.051 R)
• M29: 21,977,423 km (0.056 R)
• M30: 24,816,641 km (0.099 R)
• M31: 27,609,783 km (0.081 R)
• M32: 27,890,728 km (0.12 R)
• M33: 34,455,830 km (0.06 R)
• M34: 36,665,690 km (0.106 R)
• M35: 37,460,952 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: 459 - 14,716 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit