🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.79 AU - 1.09 AU

Year: 588 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,927,194 km

• M1: 112,049 km (0.043 R)
• M2: 448,046 km (0.109 R)
• M3: 770,579 km (0.112 R)
• M4: 1,116,599 km (0.072 R)
• M5: 1,580,352 km (0.079 R)
• M6: 1,998,927 km (0.059 R)
• M7: 2,461,334 km (0.12 R)
• M8: 3,070,945 km (0.119 R)
• M9: 3,358,323 km (0.057 R)
• M10: 3,829,705 km (0.092 R)
• M11: 4,288,223 km (0.059 R)
• M12: 5,013,324 km (0.112 R)
• M13: 5,579,552 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.8

Radius: 8.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.04 AU - 1.52 AU

Year: 935 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,927,194 km

• M1: 105,766 km (0.061 R)
• M2: 374,593 km (0.048 R)
• M3: 646,712 km (0.093 R)
• M4: 1,162,226 km (0.078 R)
• M5: 1,507,947 km (0.059 R)
• M6: 1,790,986 km (0.115 R)
• M7: 2,069,238 km (0.034 R)
• M8: 3,017,987 km (0.119 R)
• M9: 3,443,893 km (0.107 R)
• M10: 3,800,684 km (0.107 R)
• M11: 4,198,614 km (0.109 R)
• M12: 5,021,851 km (0.099 R)
• M13: 5,742,613 km (0.068 R)
• M14: 6,464,124 km (0.098 R)
• M15: 6,869,833 km (0.071 R)
• M16: 7,933,474 km (0.086 R)
• M17: 8,320,185 km (0.112 R)
• M18: 8,611,601 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 11.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.26 AU - 3.96 AU

Year: 4429 Days

Day: 6.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,927,194 km

• M1: 138,079 km (0.082 R)
• M2: 525,687 km (0.102 R)
• M3: 1,232,836 km (0.11 R)
• M4: 1,719,179 km (0.101 R)
• M5: 2,886,341 km (0.084 R)
• M6: 3,256,746 km (0.087 R)
• M7: 3,640,165 km (0.115 R)
• M8: 4,094,643 km (0.045 R)
• M9: 4,498,558 km (0.074 R)
• M10: 5,312,669 km (0.071 R)
• M11: 5,768,344 km (0.086 R)
• M12: 10,216,039 km (0.079 R)
• M13: 11,083,856 km (0.111 R)
• M14: 11,661,304 km (0.092 R)
• M15: 12,043,077 km (0.108 R)
• M16: 12,565,024 km (0.081 R)
• M17: 14,078,506 km (0.111 R)
• M18: 14,609,130 km (0.099 R)
• M19: 15,053,136 km (0.097 R)
• M20: 15,864,555 km (0.113 R)
• M21: 16,704,996 km (0.113 R)
• M22: 18,360,595 km (0.072 R)
• M23: 19,523,420 km (0.111 R)
• M24: 20,488,476 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 14

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.94 AU - 3.94 AU

Year: 5050 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 104.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,927,194 km

• M1: 174,132 km (0.038 R)
• M2: 618,138 km (0.105 R)
• M3: 1,314,217 km (0.104 R)
• M4: 1,768,097 km (0.095 R)
• M5: 2,678,999 km (0.032 R)
• M6: 4,482,401 km (0.108 R)
• M7: 5,114,602 km (0.11 R)
• M8: 5,926,768 km (0.107 R)
• M9: 7,130,283 km (0.079 R)
• M10: 7,919,861 km (0.11 R)
• M11: 8,927,253 km (0.036 R)
• M12: 9,588,625 km (0.049 R)
• M13: 10,327,040 km (0.069 R)
• M14: 12,465,691 km (0.056 R)
• M15: 13,774,074 km (0.118 R)
• M16: 15,172,216 km (0.093 R)
• M17: 15,698,053 km (0.096 R)
• M18: 18,118,995 km (0.069 R)
• M19: 18,777,824 km (0.079 R)
• M20: 19,727,022 km (0.112 R)
• M21: 21,210,584 km (0.074 R)
• M22: 24,082,265 km (0.109 R)
• M23: 25,284,135 km (0.117 R)
• M24: 26,441,723 km (0.039 R)
• M25: 30,402,027 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.8

Radius: 6.9

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.28 AU - 7.98 AU

Year: 11023 Days

Day: 20.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,927,194 km

• M1: 86,019 km (0.098 R)
• M2: 309,817 km (0.06 R)
• M3: 536,009 km (0.101 R)
• M4: 1,311,076 km (0.094 R)
• M5: 2,025,854 km (0.108 R)
• M6: 2,326,995 km (0.114 R)
• M7: 2,637,560 km (0.12 R)
• M8: 3,974,666 km (0.075 R)
• M9: 4,684,358 km (0.103 R)
• M10: 6,690,466 km (0.098 R)
• M11: 7,079,719 km (0.101 R)
• M12: 9,690,501 km (0.108 R)
• M13: 12,940,964 km (0.12 R)
• M14: 15,945,936 km (0.053 R)
• M15: 17,500,258 km (0.085 R)
• M16: 24,915,525 km (0.059 R)
• M17: 27,002,116 km (0.109 R)
• M18: 29,305,176 km (0.115 R)
• M19: 30,982,467 km (0.09 R)
• M20: 37,115,082 km (0.107 R)
• M21: 39,076,460 km (0.113 R)
• M22: 42,805,785 km (0.087 R)
• M23: 44,552,041 km (0.116 R)

Asteroid Belt

Center: 6.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.4

Radius: 6.2

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.93 AU - 7.49 AU

Year: 12500 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,927,194 km

• M1: 79,885 km (0.082 R)
• M2: 402,568 km (0.109 R)
• M3: 1,303,745 km (0.086 R)
• M4: 2,357,064 km (0.12 R)
• M5: 2,906,836 km (0.085 R)
• M6: 3,122,706 km (0.098 R)
• M7: 3,810,407 km (0.113 R)
• M8: 4,043,032 km (0.058 R)
• M9: 5,101,437 km (0.114 R)
• M10: 5,352,612 km (0.113 R)
• M11: 5,711,497 km (0.088 R)
• M12: 5,913,903 km (0.068 R)
• M13: 7,468,075 km (0.112 R)
• M14: 9,046,931 km (0.041 R)
• M15: 14,156,596 km (0.071 R)
• M16: 15,616,372 km (0.045 R)
• M17: 17,882,032 km (0.084 R)
• M18: 18,757,479 km (0.111 R)
• M19: 20,357,877 km (0.102 R)
• M20: 22,129,863 km (0.069 R)
• M21: 23,827,650 km (0.107 R)
• M22: 26,347,775 km (0.106 R)
• M23: 27,384,638 km (0.063 R)
• M24: 27,961,637 km (0.075 R)
• M25: 30,658,288 km (0.093 R)
• M26: 36,100,958 km (0.075 R)
• M27: 41,143,005 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.2

Radius: 6.4

Gravity: 18.58 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.68 AU - 7.82 AU

Year: 13931 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,927,194 km

• M1: 87,814 km (0.115 R)
• M2: 604,675 km (0.119 R)
• M3: 1,365,829 km (0.117 R)
• M4: 2,163,784 km (0.089 R)
• M5: 2,363,347 km (0.053 R)
• M6: 4,311,111 km (0.049 R)
• M7: 5,753,085 km (0.088 R)
• M8: 5,982,568 km (0.087 R)
• M9: 9,391,904 km (0.034 R)
• M10: 9,872,562 km (0.082 R)
• M11: 10,257,627 km (0.101 R)
• M12: 13,980,220 km (0.055 R)
• M13: 15,990,516 km (0.073 R)
• M14: 17,143,018 km (0.117 R)
• M15: 18,681,034 km (0.096 R)
• M16: 22,781,512 km (0.079 R)
• M17: 28,095,677 km (0.084 R)
• M18: 39,555,472 km (0.12 R)
• M19: 47,614,160 km (0.025 R)
• M20: 53,610,192 km (0.102 R)
• M21: 57,051,542 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 19,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit