🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 12.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.7 AU - 0.82 AU

Year: 457 Days

Day: 9.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,722,093 km

• M1: 151,692 km (0.078 R)
• M2: 534,812 km (0.055 R)
• M3: 984,504 km (0.102 R)
• M4: 1,520,662 km (0.05 R)
• M5: 1,950,158 km (0.09 R)
• M6: 2,445,028 km (0.071 R)
• M7: 3,128,091 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 11.7

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,722,093 km

• M1: 145,559 km (0.111 R)
• M2: 801,845 km (0.117 R)
• M3: 1,526,048 km (0.107 R)
• M4: 2,535,385 km (0.117 R)
• M5: 2,961,888 km (0.112 R)
• M6: 3,408,587 km (0.083 R)
• M7: 4,179,316 km (0.063 R)
• M8: 4,572,609 km (0.096 R)
• M9: 6,169,715 km (0.073 R)
• M10: 7,106,647 km (0.054 R)
• M11: 7,790,608 km (0.102 R)
• M12: 8,858,288 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 13.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.53 AU - 2.03 AU

Year: 1639 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,722,093 km

• M1: 172,935 km (0.118 R)
• M2: 615,894 km (0.064 R)
• M3: 1,187,059 km (0.097 R)
• M4: 1,718,431 km (0.042 R)
• M5: 2,893,372 km (0.062 R)
• M6: 3,377,022 km (0.119 R)
• M7: 4,253,067 km (0.067 R)
• M8: 6,354,170 km (0.11 R)
• M9: 6,878,510 km (0.048 R)
• M10: 7,690,228 km (0.118 R)
• M11: 9,437,980 km (0.083 R)
• M12: 10,584,648 km (0.115 R)
• M13: 12,335,691 km (0.036 R)
• M14: 14,361,246 km (0.089 R)
• M15: 15,360,261 km (0.102 R)
• M16: 15,924,544 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.1

Radius: 12.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.47 AU - 2.95 AU

Year: 3079 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,722,093 km

• M1: 154,235 km (0.051 R)
• M2: 560,244 km (0.092 R)
• M3: 1,049,728 km (0.094 R)
• M4: 1,438,084 km (0.049 R)
• M5: 1,958,386 km (0.119 R)
• M6: 3,192,119 km (0.115 R)
• M7: 3,656,322 km (0.049 R)
• M8: 4,804,934 km (0.046 R)
• M9: 5,648,666 km (0.105 R)
• M10: 6,614,769 km (0.099 R)
• M11: 8,465,744 km (0.113 R)
• M12: 9,099,141 km (0.107 R)
• M13: 10,318,812 km (0.055 R)
• M14: 10,894,615 km (0.074 R)
• M15: 11,721,442 km (0.099 R)
• M16: 13,585,132 km (0.065 R)
• M17: 15,685,786 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.1

Radius: 9.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.69 AU - 2.85 AU

Year: 3182 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,722,093 km

• M1: 114,592 km (0.086 R)
• M2: 445,802 km (0.106 R)
• M3: 818,749 km (0.112 R)
• M4: 1,117,197 km (0.063 R)
• M5: 1,462,618 km (0.094 R)
• M6: 1,773,333 km (0.074 R)
• M7: 2,236,937 km (0.087 R)
• M8: 2,557,974 km (0.093 R)
• M9: 2,999,138 km (0.076 R)
• M10: 3,507,023 km (0.119 R)
• M11: 4,164,954 km (0.11 R)
• M12: 4,513,517 km (0.11 R)
• M13: 5,292,025 km (0.112 R)
• M14: 5,631,911 km (0.099 R)
• M15: 6,231,200 km (0.118 R)
• M16: 6,533,687 km (0.067 R)
• M17: 7,032,596 km (0.049 R)
• M18: 7,930,333 km (0.088 R)
• M19: 8,776,757 km (0.07 R)
• M20: 9,093,157 km (0.074 R)
• M21: 10,192,103 km (0.117 R)
• M22: 14,672,410 km (0.096 R)
• M23: 15,163,988 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 9.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.39 AU - 4.47 AU

Year: 6436 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,722,093 km

• M1: 117,584 km (0.09 R)
• M2: 482,004 km (0.043 R)
• M3: 811,120 km (0.119 R)
• M4: 1,132,157 km (0.093 R)
• M5: 1,472,342 km (0.11 R)
• M6: 1,947,166 km (0.1 R)
• M7: 3,223,685 km (0.102 R)
• M8: 5,090,965 km (0.1 R)
• M9: 6,482,525 km (0.057 R)
• M10: 7,020,030 km (0.109 R)
• M11: 7,759,342 km (0.048 R)
• M12: 10,458,836 km (0.056 R)
• M13: 11,243,028 km (0.083 R)
• M14: 11,972,617 km (0.109 R)
• M15: 12,492,170 km (0.058 R)
• M16: 13,882,832 km (0.084 R)
• M17: 14,829,637 km (0.066 R)
• M18: 16,101,368 km (0.048 R)
• M19: 17,806,635 km (0.084 R)
• M20: 18,546,246 km (0.103 R)
• M21: 19,499,484 km (0.082 R)
• M22: 20,351,594 km (0.117 R)
• M23: 23,420,743 km (0.091 R)
• M24: 25,526,932 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.4

Radius: 10.7

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.4 AU - 6.46 AU

Year: 8734 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 172.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,722,093 km

• M1: 133,142 km (0.096 R)
• M2: 526,435 km (0.081 R)
• M3: 1,326,784 km (0.096 R)
• M4: 2,209,860 km (0.101 R)
• M5: 3,545,320 km (0.056 R)
• M6: 4,038,245 km (0.08 R)
• M7: 4,576,648 km (0.113 R)
• M8: 4,972,035 km (0.108 R)
• M9: 5,831,923 km (0.104 R)
• M10: 6,749,407 km (0.069 R)
• M11: 8,280,392 km (0.095 R)
• M12: 8,685,353 km (0.097 R)
• M13: 12,245,184 km (0.098 R)
• M14: 12,653,437 km (0.068 R)
• M15: 15,566,406 km (0.073 R)
• M16: 16,464,442 km (0.062 R)
• M17: 16,818,989 km (0.098 R)
• M18: 17,616,944 km (0.063 R)
• M19: 19,761,729 km (0.102 R)
• M20: 20,650,191 km (0.099 R)
• M21: 21,396,684 km (0.064 R)
• M22: 22,768,198 km (0.099 R)
• M23: 24,106,350 km (0.094 R)
• M24: 24,748,425 km (0.043 R)
• M25: 27,431,462 km (0.091 R)
• M26: 27,829,991 km (0.105 R)
• M27: 32,806,514 km (0.119 R)
• M28: 41,011,359 km (0.114 R)
• M29: 42,588,419 km (0.114 R)
• M30: 45,584,266 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.2

Radius: 5.2

Gravity: 15.69 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.37 AU - 6.91 AU

Year: 10502 Days

Day: 17.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,722,093 km

• M1: 65,075 km (0.094 R)
• M2: 237,262 km (0.114 R)
• M3: 495,319 km (0.06 R)
• M4: 676,930 km (0.102 R)
• M5: 1,157,738 km (0.09 R)
• M6: 1,419,983 km (0.116 R)
• M7: 1,795,324 km (0.068 R)
• M8: 2,031,090 km (0.093 R)
• M9: 2,395,660 km (0.087 R)
• M10: 4,639,030 km (0.104 R)
• M11: 5,270,183 km (0.11 R)
• M12: 5,622,786 km (0.118 R)
• M13: 9,537,463 km (0.111 R)
• M14: 10,256,131 km (0.09 R)
• M15: 10,653,762 km (0.098 R)
• M16: 12,741,101 km (0.114 R)
• M17: 13,910,508 km (0.089 R)
• M18: 14,152,707 km (0.071 R)
• M19: 17,074,652 km (0.112 R)
• M20: 19,988,968 km (0.106 R)
• M21: 22,380,589 km (0.077 R)
• M22: 24,077,029 km (0.098 R)
• M23: 30,687,759 km (0.073 R)
• M24: 33,530,568 km (0.12 R)
• M25: 34,737,523 km (0.118 R)
• M26: 37,237,603 km (0.078 R)
• M27: 41,333,144 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.4

Radius: 7.6

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.98 AU - 10.4 AU

Year: 17682 Days

Day: 20.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,722,093 km

• M1: 95,294 km (0.09 R)
• M2: 451,337 km (0.05 R)
• M3: 735,573 km (0.048 R)
• M4: 978,968 km (0.093 R)
• M5: 1,868,328 km (0.103 R)
• M6: 2,558,722 km (0.099 R)
• M7: 3,522,731 km (0.078 R)
• M8: 3,944,597 km (0.072 R)
• M9: 5,072,565 km (0.052 R)
• M10: 5,894,156 km (0.076 R)
• M11: 7,077,176 km (0.113 R)
• M12: 11,309,898 km (0.062 R)
• M13: 11,762,881 km (0.115 R)
• M14: 12,843,426 km (0.066 R)
• M15: 13,265,292 km (0.081 R)
• M16: 13,551,473 km (0.101 R)
• M17: 14,586,241 km (0.105 R)
• M18: 17,147,656 km (0.082 R)
• M19: 24,508,918 km (0.096 R)
• M20: 25,049,116 km (0.118 R)
• M21: 27,986,470 km (0.054 R)
• M22: 33,467,288 km (0.117 R)
• M23: 36,318,623 km (0.087 R)
• M24: 37,588,709 km (0.091 R)
• M25: 38,742,258 km (0.109 R)
• M26: 40,516,639 km (0.09 R)
• M27: 40,817,480 km (0.114 R)
• M28: 42,036,104 km (0.119 R)
• M29: 56,892,220 km (0.107 R)
• M30: 57,269,655 km (0.091 R)
• M31: 61,135,863 km (0.099 R)
• M32: 63,943,515 km (0.087 R)
• M33: 67,256,061 km (0.071 R)
• M34: 71,995,172 km (0.112 R)
• M35: 72,880,193 km (0.079 R)
• M36: 75,351,101 km (0.093 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: 412 - 13,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit